SIGA

How to pass an airtightness test, Part 2: testing for airtightness

Most newly-constructed buildings in the UK and Ireland must undergo an airtightness test. But how does airtightness testing work, what different types of tests are there, and what do you need to do to get a building ready for testing?

Hygrobrid® Membranes vs. Moisture Variable membranes

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

Is a leaky fabric a reliable source of ventilation?

There is a widespread assumption that leaks in the building fabric supply useful ventilation air. The building regulations count on it, and ask less of the installed ventilation as a result. But can we really rely on gaps and cracks to help ventilate our buildings?

Category - Building science