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Double glazing / Heritage & conservation
HERITAGE & CONSERVATION GLASS

Heritage & conservation glass

Separate products for each pane make-up, cavity and gas. Panel 1 is always the inside 4mm Low-E pane. Choose the second pane, then discuss sightline, colour, sizes and suitability with your supplier.

Configure your heritage glass

Choose your panes, pattern, cavity, gas and sightline, then add the sizes and quantities for your project.

Open heritage configurator →

Quick filter

U-values are indicative baseline guides for the selected Low-E unit, cavity and gas. Manufacturers use different brands, coatings and unit constructions, so actual U-values may differ. Confirm the declared U-value for your exact unit with your chosen supplier before ordering. No improvement is assumed for a different second pane.

120 of 120 product entries

Slim heritage double-glazed unit with a narrow perimeter spacer11mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 2.6 W/m²K — indicative; confirm with supplier

View this product & configure →
Slim heritage double-glazed unit with a narrow perimeter spacer11mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 1.9 W/m²K — indicative; confirm with supplier

View this product & configure →
Slim heritage double-glazed unit with a narrow perimeter spacer11mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 1.5 W/m²K — indicative; confirm with supplier

View this product & configure →
Slim heritage double-glazed unit with a narrow perimeter spacer13mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 2.0 W/m²K — indicative; confirm with supplier

View this product & configure →
Slim heritage double-glazed unit with a narrow perimeter spacer13mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 1.5 W/m²K — indicative; confirm with supplier

View this product & configure →
Slim heritage double-glazed unit with a narrow perimeter spacer13mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 1.2 W/m²K — indicative; confirm with supplier

View this product & configure →
Slim heritage double-glazed unit with a narrow perimeter spacer12mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 2.6 W/m²K — indicative; confirm with supplier

View this product & configure →
Slim heritage double-glazed unit with a narrow perimeter spacer12mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 1.9 W/m²K — indicative; confirm with supplier

View this product & configure →
Slim heritage double-glazed unit with a narrow perimeter spacer12mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 1.5 W/m²K — indicative; confirm with supplier

View this product & configure →
Slim heritage double-glazed unit with a narrow perimeter spacer14mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 2.0 W/m²K — indicative; confirm with supplier

View this product & configure →
Slim heritage double-glazed unit with a narrow perimeter spacer14mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 1.5 W/m²K — indicative; confirm with supplier

View this product & configure →
Slim heritage double-glazed unit with a narrow perimeter spacer14mm nominal
HERITAGE UNIT · SUPPLIER REVIEW

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

U-value guide 1.2 W/m²K — indicative; confirm with supplier

View this product & configure →