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.


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