Sopralast 50 TV Aluminium torch on felt - 8 meter roll.
SOPRALAST 50 TVA ALU LS membranes are composed of a glass reinforcement and SBS modified bitumen. Their surface is covered with a waffled metal foil for UV protection and aesthetics. A thermofusible film covers their underface. SOPRALAST 50 TVA ALU LS membranes are torch-applied only. Never bonded with hot asphalt.