By The Guardian – Chief Technical Advisor, GUGAFIX® Construction Chemicals Introduction One of the most common questions on a tile installation site is: “How thick should the tile adhesive be?” The answer is not simply “more is better.” Tile adhesive is a formulated bonding material. Its application thickness is part of the product's intended design and depends on the adhesive, substrate, tile, trowel and installation method. Applying too little adhesive can result in inadequ