Tile Over Painted Concrete Block Wall

If the paint comes loose so does the tile.

Tile over painted concrete block wall.

Mark the wall in the middle with a chalk line to create a guide for the tiles. Hammer the nails through. You should either strip or bead blast the concrete and thoroughly clean it. Place strips of blue painter s tape over the tile face sticking each end to the wall to prevent the tiles from sliding.

For application over an uneven concrete surface a lightweight waterproof construction board. Apply just enough of the adhesive to attach a few tiles at a time so that the adhesive stays moist and ready to receive the tiles. Tile cannot be attached directly to painted concrete as the thin set will not adhere well to the paint. If your wall is freestanding with a top tile the center of the top area with the same tile that you chose for the sides of the wall but use bullnose tiles all around the top edges.

Before beginning a tile installation over a concrete wall perform an inspection to look. Inspect the concrete surface. First a surface more textured and solid must be applied over the painted concrete. With a notched trowel apply the adhesive at the bottom of the cinder block wall.

Mortar cannot be installed directly over painted concrete itself. Nail 3 4 expanded metal lath to the blocks with 1 1 2 to 2 inch concrete nails. This surface is called a scratch coat. A scratch coat will give the mortar something to hold on to instead of the layer of paint over concrete.

Can i put tiles over painted concrete walls. Painted concrete can be made porous with sandblasting or other hard abrasive actions. While you can install tile directly on concrete problems erupt when the concrete cracks or shifts. How to install ceramic tile over painted block walls for a shower step 1.