How Do You Seal Cracks In Concrete Slabs Prior To Laying Ceramic Tile?
Concrete slabs are commonly used as a foundation for flooring surfaces. It creates a stable subfloor on which a more comfortable and functional material can be laid. Before installing ceramic tile, the cracks in the concrete slab should be properly sealed. This can be accomplished using a polyurethane caulk. It is an adhesive compound that hardens and fills the cracks, creating a more solid foundation for the tiles. The appropriate tools and proper method will enable you to complete the task without professional assistance. Cut open the tip on a tube of urethane caulk using a utility knife or pair of sharp scissors. Load it into a caulking gun. Apply a bead of the urethane caulk no more than 1/4 inch thick directly into one end of a crack in the concrete. Continue to squeeze the sealant along the entire length of the crack, smoothing the caulk with the tip of the gun as you go. Insert a foam backer rod into cracks larger than 1/4 inch wide. Purchase a rod slightly wider than the target
