Membranes | WRBs, Vapour Control & Panel Protection

High-performance membranes built for airtight, weather-resistant construction. From vapour-open wraps to self-adhering options, our selection includes trusted products like SIGA Majvest, Majrex, Wetguard, and more — ready for use in both mass timber and prefab assemblies.

Whether you're sealing in the shop or wrapping on site, we've got the right membrane for the job.

More products coming soon...