Soprema’s BBA for the Alsan 770 liquid applied waterproofing flat roofing system has recently been updated to include zero falls and blue roofs and the inclusion of a warm roof scenario with Sopratherm G insulation
In addition, the system is included in the Fire Annex of the certificate and is classified as Broof(t4) in accordance with EN13501-5: 2016 and therefore is unrestricted with respect to proximity.
A two-component high performance PMMA based resin, Alsan 770 is used with a reinforcement fleece to create a seamless, durable and reliable waterproofing membrane. It can also be used to waterproof movement joints.