Ww Henry FP00316412 Thin Set Mortar Natural StoneHighlights: Sets all types of natural stone, marble and ceramic tile. Use for interior floors and walls. Fast drying. Grout in 2 hours. Bonds non moisture and moisture sensitive marble, granite, and stone tile, mosaics, pavers, And regular ceramic tile to concrete, concrete backer units, masonry, cement terrazzo, drywall and other common building surfaces on interior floors, walls and countertops. Wood, laminate, and ceramic surfaces must be prepared