LAMABase SA is a self-adhesive waterproofing membrane base sheet designed for the first layer of multi-layer roofing assemblies. Made with fiberglass reinforcement and enhanced with Styrene Butadiene Styrene (SBS), it provides excellent flexibility in cold weather, high elasticity, and dimensional stability. The membrane features a siliconized release liner for easy installation and a burn-off film on the top surface to facilitate the application of a cap sheet. It complies with CSA A123.23 and ASTM D6164 standards for superior weathering and fire resistance.