... -on applications, it shall be covered with polyethylene membrane(PE),aluminium foil, colorful sand or mineral granule on its top surface ... adhesive effect). 3.Heat to melt: place membrane correctly, fire torch, heat the membrane with base entirely, when the surface of ... strength N≥Longitudinal250350250350Transverse170200Low temperature flexibility°C-18-25-18-25 Aluminium foil waterproof membrane