Dowsil 791 Weatherproofing Sealant Black 310ml

This Dow Corning Weatherproofing Silicone is designed to protect areas from a variety of weather problems, including (not exclusive to) pollution, temperature extremes particularly during the summer and winter months and rain. The Silicone can be used with most products that are used in construction, such as masonry, glass, timber and metals. It will be tack-free after just two hours, and is a highly flexible product.