Understand the difference between smart vapour variable membranes & the patented vapour control layer Majrex.

Airtightness is critical in new buildings. Here’s how you can pass your airtightness test first time by planning for it from the start.

This year the SIGA Airtightness Award will be presented for the first time. The special prize is awarded within the scope of the 24th International Passive House Conference.