PERFORMANCE - triple glazed timber entrance doors Green Building Store


Featured Image: Green Building Store PERFORMANCE triple glazed timber door

Triple glazed timber entrance doors (78mm profile) in a variety of styles, opening inwards/ outwards.  Cost-effective option for low energy retrofits and newbuilds. U value as low as 0.95 W/m2

Glazing & U values

Fully glazed door:

Whole door UD: 0.95 W/m2K Redwood

Whole door UD: 1.1 W/m2K Oak

Glazing U value Ug: 0.58 W/m2K

Triple unit: Argon fill 44 mm

Light transmission value: 74.1%

Fully panelled door:

Whole door UD: 1.1 W/m2K Redwood

Whole door UD: 1.3 W/m2K Oak

Typical maximum sizes

Width: 1250 mm

Height: 2400 mm

Please note: For Part Q and Secured By Design items,  there may be size restrictions. Please get in touch to discuss. 

Test results

Air Permeability BS EN 12207: 600 Pa Class 4

Water tightness BS EN 12208: 200 Pa Class 5A

Wind load BS  EN 12210: 1200 Pa Class C3

Exposure category BS 6375-1: 1200

* U values calculated for standard single doorset 1230 X 2180

Please see some sample styles below. If you can’t see the style you’re looking for, please get in touch, as everything we do is bespoke and made to your requirements.

Please note: Door panel options include standard flat, grooved or raised and fielded.

Please fill in the quick form below to download a copy of the product specification clause:

Affiliations & Accreditations