Triple glazed timber Lift & Slide doors from the PERFORMANCE and ULTRA range. Ideal for low energy retrofits and newbuilds.
- High performance triple glazing
- FSC® certified timber in redwood & oak
- FSC® certified Accoya timber drip rail for durability
- Dual compression seals for long-term airtightness
- Secured by Design & Part Q compliant option
- Class 4 airtightness to BS EN 12207
- Made exclusively for Green Building Store by our partners in northern Europe
*Tilt & Slide doors also available (for retrofit projects only). Please enquire for more information.
Installation Gallery
Lift & slide doors
Lift & slide doors have two panes, where usually one pane of the door can slide. To special order, you can have a door where both panes can slide. Come with internal handles only.
Maximum size: 2500mm (individual leaf width) x 2500mm
Please note: For Part Q and Secured By Design items, there may be size restrictions. Please get in touch to discuss.
Glazing & U values
PERFORMANCE
Whole door UD:
1.0 W/m2K Redwood
1.1 W/m2K Oak
Glazing U value UG: 0.58 W/m2K
Triple unit: Argon 44mm
Light transmission value: 74.1%
ULTRA
Whole door UD:
0.84 W/m2K Redwood
0.98 W/m2K Oak
Glazing U value UG: 0.52 W/m2K
Triple unit: Argon 52mm
Light transmission value: 74.1%
Test results
Air Permeability BS EN 12207: 600 Pa Class 4
Water tightness BS EN 12208: 100 Pa Class A3
Wind load BS EN 12210: 1600 Pa Class C4
Exposure category BS 6375-1: 800
* U values calculated for standard doorset 2000 X 2180
Glazing Options
Redwood Colour Options
Oak Timber Stains
Handles
