KOSTER 21 is a multipurpose waterproofing coating 100% made in Germany. A single product that can provide you ANTIRUST, WATERPROOF and COOLING roofing to your property. This material bonds well to all kinds of surface, e.g metal, concrete, masonry and even plastic.  It is resistant to UV-Radiation,  Salt, Hydrolysis and Thaw Effect. It has been Tested and Certified  for  the Solar Reflectance Index. For further information, kindly call 603-5021 9289