Drywall is actually a decent base for Glass Tile in kitchen backsplash applications because there is no danger of excessive exposure to moisture. In places such as the bathroom and shower drywall should not be used because excessive moisture will cause it to flake, discolor, sag and more seriously provide a breeding ground for mold and mildew. If you currently have drywall behind your stove or sink you have probably encountered these issues already. Applying a tile backsplash will save you time and money. The first thing to do when contemplating applying a Glass Tile backsplash to the drywall in your kitchen is to ensure that there is no damage. If there are water stains, signs of mildew or flaking these problems need to be addressed prior to the application of the tile. Fixing water damage on drywall is relatively simple even if the water damage is extensive. If there are just some water stains on the drywall sand down the area, apply drywall compound and add primer to prevent the water stains from reappearing. Once this is done paint over the area and allow to dry according to manufacturer’s instructions. Although this may seem like an unnecessary step it will be well worth it in the long run and avoid having to remove tiles in order to address water damage problems later. Clean the back of your glass tiles removing any loose debris or moisture with a dry cloth. Apply mortar in a thin layer about 1/8th of an inch to the drywall and smooth is along the edges with a trowel like you’re spreading peanut butter. Carefully place the Glass Tiles evenly onto the mortared drywall pressing each tile firmly to set. Tap the tiles lightly once in place to ensure that...