Specialist heritage glazing & slim sealed units
Complete Specification Range — 120 Request Identities

Heritage Double Glazing Sealed Units

Explore all 108 fixed make-ups and 12 patterned requests. Combining 4mm Low-E inside glass, slim 4mm or 6mm gas cavities (Argon, Krypton, Xenon), and specialist second panes including 4.5mm Goethe restoration glass, acoustic laminate, and Pilkington textures.

Authoritative Rule Precedence: All U-values (1.2–2.6 W/m²K) are owner/supplier indicative baselines requiring declared performance confirmation for the finished unit. ±1mm tolerance applies to overall unit thickness only.
Filter by Component Attributes
Showing 120 of 120 Make-ups
4mm Argon11mm nominal

4mm Low-E Float / 4mm Argon cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton11mm nominal

4mm Low-E Float / 4mm Krypton cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon11mm nominal

4mm Low-E Float / 4mm Xenon cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon13mm nominal

4mm Low-E Float / 6mm Argon cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton13mm nominal

4mm Low-E Float / 6mm Krypton cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon13mm nominal

4mm Low-E Float / 6mm Xenon cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon12mm nominal

4mm Low-E Float / 4mm Argon cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton12mm nominal

4mm Low-E Float / 4mm Krypton cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon12mm nominal

4mm Low-E Float / 4mm Xenon cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon14mm nominal

4mm Low-E Float / 6mm Argon cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton14mm nominal

4mm Low-E Float / 6mm Krypton cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon14mm nominal

4mm Low-E Float / 6mm Xenon cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon12.5mm nominal

4mm Low-E Float / 4mm Argon cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton12.5mm nominal

4mm Low-E Float / 4mm Krypton cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon12.5mm nominal

4mm Low-E Float / 4mm Xenon cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon14.5mm nominal

4mm Low-E Float / 6mm Argon cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton14.5mm nominal

4mm Low-E Float / 6mm Krypton cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon14.5mm nominal

4mm Low-E Float / 6mm Xenon cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon12mm nominal

4mm Low-E Float / 4mm Argon cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton12mm nominal

4mm Low-E Float / 4mm Krypton cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon12mm nominal

4mm Low-E Float / 4mm Xenon cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon14mm nominal

4mm Low-E Float / 6mm Argon cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton14mm nominal

4mm Low-E Float / 6mm Krypton cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon14mm nominal

4mm Low-E Float / 6mm Xenon cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon12mm nominal

4mm Low-E Float / 4mm Argon cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton12mm nominal

4mm Low-E Float / 4mm Krypton cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon12mm nominal

4mm Low-E Float / 4mm Xenon cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon14mm nominal

4mm Low-E Float / 6mm Argon cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton14mm nominal

4mm Low-E Float / 6mm Krypton cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon14mm nominal

4mm Low-E Float / 6mm Xenon cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon14mm nominal

4mm Low-E Float / 4mm Argon cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton14mm nominal

4mm Low-E Float / 4mm Krypton cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon14mm nominal

4mm Low-E Float / 4mm Xenon cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon16mm nominal

4mm Low-E Float / 6mm Argon cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton16mm nominal

4mm Low-E Float / 6mm Krypton cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon16mm nominal

4mm Low-E Float / 6mm Xenon cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon14mm nominal

4mm Low-E Float / 4mm Argon cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton14mm nominal

4mm Low-E Float / 4mm Krypton cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon14mm nominal

4mm Low-E Float / 4mm Xenon cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon16mm nominal

4mm Low-E Float / 6mm Argon cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton16mm nominal

4mm Low-E Float / 6mm Krypton cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon16mm nominal

4mm Low-E Float / 6mm Xenon cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon14.4mm nominal

4mm Low-E Float / 4mm Argon cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton14.4mm nominal

4mm Low-E Float / 4mm Krypton cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon14.4mm nominal

4mm Low-E Float / 4mm Xenon cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon16.4mm nominal

4mm Low-E Float / 6mm Argon cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton16.4mm nominal

4mm Low-E Float / 6mm Krypton cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon16.4mm nominal

4mm Low-E Float / 6mm Xenon cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon14.8mm nominal

4mm Low-E Float / 4mm Argon cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton14.8mm nominal

4mm Low-E Float / 4mm Krypton cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon14.8mm nominal

4mm Low-E Float / 4mm Xenon cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon16.8mm nominal

4mm Low-E Float / 6mm Argon cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton16.8mm nominal

4mm Low-E Float / 6mm Krypton cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon16.8mm nominal

4mm Low-E Float / 6mm Xenon cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm ArgonPatterned thickness

4mm Low-E Float / 4mm Argon cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm
4mm KryptonPatterned thickness

4mm Low-E Float / 4mm Krypton cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm
4mm XenonPatterned thickness

4mm Low-E Float / 4mm Xenon cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm
6mm ArgonPatterned thickness

4mm Low-E Float / 6mm Argon cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm
6mm KryptonPatterned thickness

4mm Low-E Float / 6mm Krypton cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm
6mm XenonPatterned thickness

4mm Low-E Float / 6mm Xenon cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm
4mm Argon11mm nominal

4mm Low-E Toughened (TGH) / 4mm Argon cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton11mm nominal

4mm Low-E Toughened (TGH) / 4mm Krypton cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon11mm nominal

4mm Low-E Toughened (TGH) / 4mm Xenon cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon13mm nominal

4mm Low-E Toughened (TGH) / 6mm Argon cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton13mm nominal

4mm Low-E Toughened (TGH) / 6mm Krypton cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon13mm nominal

4mm Low-E Toughened (TGH) / 6mm Xenon cavity / 3mm Float

This 3mm float second-pane option is for a slim heritage double-glazing enquiry where rebate depth and the finished sealed-unit thickness need particular attention. Provide your existing glass size and frame details so the supplier can check the proposed replacement.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon12mm nominal

4mm Low-E Toughened (TGH) / 4mm Argon cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton12mm nominal

4mm Low-E Toughened (TGH) / 4mm Krypton cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon12mm nominal

4mm Low-E Toughened (TGH) / 4mm Xenon cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon14mm nominal

4mm Low-E Toughened (TGH) / 6mm Argon cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton14mm nominal

4mm Low-E Toughened (TGH) / 6mm Krypton cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon14mm nominal

4mm Low-E Toughened (TGH) / 6mm Xenon cavity / 4mm Float

Choose the 4mm float second-pane option to discuss a made-to-measure heritage sealed unit for a timber sash window or metal window frame. The supplier checks the frame rebate, finished size and selected Low-E glass before confirming the order.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon12.5mm nominal

4mm Low-E Toughened (TGH) / 4mm Argon cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton12.5mm nominal

4mm Low-E Toughened (TGH) / 4mm Krypton cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon12.5mm nominal

4mm Low-E Toughened (TGH) / 4mm Xenon cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon14.5mm nominal

4mm Low-E Toughened (TGH) / 6mm Argon cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton14.5mm nominal

4mm Low-E Toughened (TGH) / 6mm Krypton cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon14.5mm nominal

4mm Low-E Toughened (TGH) / 6mm Xenon cavity / 4.5mm Goethe glass

Looking for 4.5mm Goethe glass in a heritage double-glazed unit? This Goethe glass option pairs your chosen inside Low-E pane with the requested cavity and gas. For a traditional sash window, period-property refurbishment or conservation glazing enquiry, explain the drawn-glass appearance you want and provide photographs of any original glass you hope to match. Ask the supplier to confirm the exact Goethe glass product and provide appearance information; the name alone does not establish an approved conservation match.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon12mm nominal

4mm Low-E Toughened (TGH) / 4mm Argon cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton12mm nominal

4mm Low-E Toughened (TGH) / 4mm Krypton cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon12mm nominal

4mm Low-E Toughened (TGH) / 4mm Xenon cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon14mm nominal

4mm Low-E Toughened (TGH) / 6mm Argon cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton14mm nominal

4mm Low-E Toughened (TGH) / 6mm Krypton cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon14mm nominal

4mm Low-E Toughened (TGH) / 6mm Xenon cavity / 4mm Activ Float

This 4mm Activ float second-pane option lets you request an Activ glass make-up alongside an inside Low-E pane for a heritage window project. Ask your supplier to identify the exact Activ product, coating orientation, cleaning guidance and compatibility with the proposed sealed unit.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon12mm nominal

4mm Low-E Toughened (TGH) / 4mm Argon cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton12mm nominal

4mm Low-E Toughened (TGH) / 4mm Krypton cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon12mm nominal

4mm Low-E Toughened (TGH) / 4mm Xenon cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon14mm nominal

4mm Low-E Toughened (TGH) / 6mm Argon cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton14mm nominal

4mm Low-E Toughened (TGH) / 6mm Krypton cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon14mm nominal

4mm Low-E Toughened (TGH) / 6mm Xenon cavity / 4mm Activ Toughened

Request a heritage sealed unit with a 4mm Activ toughened second pane. Include the window position and any safety-glazing requirements so the supplier can confirm the specified Activ glass, toughened treatment and complete unit construction for your project.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon14mm nominal

4mm Low-E Toughened (TGH) / 4mm Argon cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton14mm nominal

4mm Low-E Toughened (TGH) / 4mm Krypton cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon14mm nominal

4mm Low-E Toughened (TGH) / 4mm Xenon cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon16mm nominal

4mm Low-E Toughened (TGH) / 6mm Argon cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton16mm nominal

4mm Low-E Toughened (TGH) / 6mm Krypton cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon16mm nominal

4mm Low-E Toughened (TGH) / 6mm Xenon cavity / 6mm Float

The 6mm float second-pane option creates a different overall unit thickness from the 3mm and 4mm float options. For replacement heritage double glazing, give the supplier the available rebate depth and existing glazing details rather than assuming the thicker make-up will fit.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon14mm nominal

4mm Low-E Toughened (TGH) / 4mm Argon cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton14mm nominal

4mm Low-E Toughened (TGH) / 4mm Krypton cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon14mm nominal

4mm Low-E Toughened (TGH) / 4mm Xenon cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon16mm nominal

4mm Low-E Toughened (TGH) / 6mm Argon cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton16mm nominal

4mm Low-E Toughened (TGH) / 6mm Krypton cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon16mm nominal

4mm Low-E Toughened (TGH) / 6mm Xenon cavity / 6mm Toughened

Request a 6mm toughened second pane within your made-to-measure heritage double-glazing enquiry. Describe the window location, panel size and frame so the supplier can confirm the safety-glazing specification, available processing and installation requirements.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon14.4mm nominal

4mm Low-E Toughened (TGH) / 4mm Argon cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton14.4mm nominal

4mm Low-E Toughened (TGH) / 4mm Krypton cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon14.4mm nominal

4mm Low-E Toughened (TGH) / 4mm Xenon cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon16.4mm nominal

4mm Low-E Toughened (TGH) / 6mm Argon cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton16.4mm nominal

4mm Low-E Toughened (TGH) / 6mm Krypton cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon16.4mm nominal

4mm Low-E Toughened (TGH) / 6mm Xenon cavity / 6.4mm Laminated

This heritage glazing option includes a requested 6.4mm laminated second pane. If your project has a particular safety or security requirement, include the specification or drawings: the supplier must confirm the actual laminate construction and relevant performance, rather than relying on thickness alone.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Argon14.8mm nominal

4mm Low-E Toughened (TGH) / 4mm Argon cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:2.6 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Krypton14.8mm nominal

4mm Low-E Toughened (TGH) / 4mm Krypton cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:1.9 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm Xenon14.8mm nominal

4mm Low-E Toughened (TGH) / 4mm Xenon cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Argon16.8mm nominal

4mm Low-E Toughened (TGH) / 6mm Argon cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:2.0 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Krypton16.8mm nominal

4mm Low-E Toughened (TGH) / 6mm Krypton cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:1.5 W/m²K
Sightlines:5.5, 7, 8.5mm
6mm Xenon16.8mm nominal

4mm Low-E Toughened (TGH) / 6mm Xenon cavity / 6.8mm Acoustic

Request a heritage sealed unit with a 6.8mm acoustic second pane when discussing a window project with noise concerns. Describe the noise source and existing frame, and supply any required acoustic rating. The supplier confirms the exact acoustic glass and evidence for the full proposed construction; no sound-reduction figure is assumed here.

Indicative Ug:1.2 W/m²K
Sightlines:5.5, 7, 8.5mm
4mm ArgonPatterned thickness

4mm Low-E Toughened (TGH) / 4mm Argon cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm
4mm KryptonPatterned thickness

4mm Low-E Toughened (TGH) / 4mm Krypton cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm
4mm XenonPatterned thickness

4mm Low-E Toughened (TGH) / 4mm Xenon cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm
6mm ArgonPatterned thickness

4mm Low-E Toughened (TGH) / 6mm Argon cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm
6mm KryptonPatterned thickness

4mm Low-E Toughened (TGH) / 6mm Krypton cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm
6mm XenonPatterned thickness

4mm Low-E Toughened (TGH) / 6mm Xenon cavity / Patterned / obscure glass

Choose a textured, etched or opal pattern for the second pane of a heritage window unit. The gallery shows manufacturer samples and records the design, thickness and direction with your enquiry. The supplier confirms safety treatment, availability, unit compatibility and any conservation appearance requirements.

Indicative Ug:To advise
Sightlines:5.5, 7, 8.5mm