Sto Clear Coat Sealer Matte is an acrylic based exterior/interior topcoat sealer that provides a matte finish. Use it to protect vertical, above grade, applications of Sto GraniTex©, Sto Decocoat© and StoCreativ© Granite finishes and to enhance color and fade resistance of StoTherm© ci system finishes and Sto Coatings.