The brand kng 995 structural silicone sealant is mostly used for bond and seal of structural device for glass curtain wall, aluminum curtain wall, stone curtain wall, lighting top and metal constructional engineering. It can be used for the second seal for hollow glass and seal for industry. Features: .Permanently waterproof & weatherproof seal. .Cured sealant that's mold & mildew resistant. .Superior paintability. .Low odor & low voc content. .Lifetime guarantee.