Ceramic tile adhesive is mainly available in two forms: mastic and thin set. Mastic adhesive is a premixed adhesive that can be directly applied, while thin set is a powder that must be mixed and left to sit for several minutes before using. The premixed adhesive is applied in areas where moisture will not be an issue, such as backsplashes in kitchens or wall tile. Thin set is applied in bathrooms because it is moisture-resistant. It is not typically used on walls because it takes longer to bond.
Mastic is only suitable for ceramic tile because other types, such as porcelain or marble, are porous. Over time, the adhesive could seep into the tiles and cause them to discolor. Ceramic tile is often used on walls in restaurants and homes. Mastic works well in these applications because it creates an extremely tight bond with the wall. It also sets quickly, which is an advantage when working with vertical designs because the need to stand and hold each tile while it dries is greatly reduced. High Temperature Adhesive
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