Mapesil T is a professional-grade, 100%-silicone sealant for use on multiple substrates. This product is specifically formulated for heavy traffic and expansion/movement joints exceeding both ASTM and ANSI standards. Its excellent elongation and flexibility make it ideal for use in both change-of-plane and joint applications in tile or stonework.It has been formulated to a low sheen to match the gloss of grout joints and is color-matched to MAPEI’s grout color palette.