The membrane fully bonded or loose-laid by torch welding. The substrate should be cleaned and primed with AWAZEL PRIMER D
41and allowed to can be installed dry. Torching should be done by skilled labor and should be controlled so that only the PE film is melted and the asphalt coating is softened sufficient to bond the All lap membrane. joints smoothed and sealed using a heated round- nosed trowel. The heat of the gas flame should be applied to the trowel. In loose- should be.
laid applications, only the lap joints, areas around penetrations (pipes etc.), Upstands and a 30 perimeter of the work should be fully
bonded. Upstands and flashings should be installed using 1 M wide pieces cut from the length of the roll. (The overlap joints should be 5 to 10 cm at the sides and 15 cm at the cm wide strip around the end).