Granite Shield, is the first and only company who can offer the beauty of natural true granite complete with a lifetime warranty against stains or discoloring. With a complete after care product line, Granite Shield is the best product on the market to protect your investment. Granite Shield achieves their lifetime sealing process for granite using proprietary catalyzing polymers. Depending if the granite is considered light, medium or dark, each type of stone takes a different application process and then is capped with catalyzing polymers with a permanent carbon crystal sealant which then locks the catalyzing polymer into the stone. The carbon crystal sealant forms a molecular bond with the granite which can not be removed thus creating a lifetime seal plus leaving your granite more vi