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Technical Resources

Airtight security

Green Building Store triple glazed Lift and Slide door with Secured by Design compliance and Class 4 airtightness

NEW Lift & Slide Door which combines Secured by Design and Part Q security compliance with Class 4 level airtightness standards.

1st March 2017

Golcar Passivhaus: Windows & doors

Progression Passivhaus certified timber window at Golcar Passivhaus

Blog looking at the window and door detailing at the Golcar newbuild Passivhaus project, including measures to improve airtightness and thermal bridging.

9th June 2014

Affiliations & Accreditations