Majrex is a sheet membrane and an air and vapour control layer. Its unique one-way filter effect for moisture means its better than any other option out there for condensation control and airtightness. We introduce you.

A plain-language description of the measure of resistance to water vapour, the SD value. Useful for designers of low energy high efficiency buildings.

Under new regulations all Irish buildings must be nearly zero energy buildings (NZEBs). Here’s how airtightness can make it easier to easier to meet the new standard, and why it’s so cost-effective.