News
Airtight Security Lift Slide Door
21° has just launched a triple glazed timber Lift & Slide door, which combines Secured by Design and Part Q security compliance with the highest Class 4 level airtightness standard.
Lift and slide door
The Lift & Slide door has been developed by 21° to help fill a gap in the UK marketplace and give designers greater flexibility and options on low energy projects.
Lift and Slide Doors frequently present a challenge in terms of achieving airtightness and high security levels. We’re delighted to have overcome these issues and to have developed a Lift & Slide Door that meets exacting security and airtightness standards.
Chris Herring
21° is also launching a Passivhaus version of the Lift & Slide door later in 2017.
Key features
- Secured by Design & Part Q compliant option
- Class 4 Airtightness to BS EN 12207
- Whole door UD values as low as 0.84 W/m2K
- FSC® certified timber in redwood & oak
- FSC® certified Accoya timber drip rail for durability
