... Poison-free and odor-free, no pollution, easy construction short in construction time.e) Ventilation property, no bulking even on ... board, asphalt, rubber, SBS, APP, polyurethane and civil construction(such as building, wall surface, subsurface, tunnel, bridge, pool, reservoir, ... should be above 0 degree, under negative temperature construction shall take the necessary freezing measures. 3,Waterproof ...