Tiling Over Concrete Block Wall

The safest way to approach questionable concrete is not to cover it over with cbus but to fix the concrete.

Tiling over concrete block wall.

Installing tile over concrete walls is possible but presents some unique challenges. You can get this from construction or hardware stores. Tiles come in a variety of natural and man made materials and they make durable attractive surfaces for both walls and floors. The key to a long lasting and attractive tile installation is proper substrate preparation.

Things you ll need ph neutral cleaner sponge scrub brush 3 4 expanded metal lath 1 1 2 or 2 inch concrete nails hammer tin snips thinset mortar bucket notched trowel ceramic tiles tile spacers plywood board carpenter s level silicone caulking grout grout float lint free cloth. Cracks and gaps can be filled with portland cement based fillers. As for tiling on blockwork it can be done as long as its flat as a pancake every block is perfect then yes spread it on as u would a normal flat wall powdered addy but ive very rarly seen a perfectly flat blockwork wall in fact never. Apply commercially made filler that is made specifically for cinder or concrete blocks to create a smooth surface to which the tile can adhere.

Tile cannot be attached directly to painted concrete as the thin set will not adhere well to the paint. Any hairline structural cracks sprawling or gaping fissures or chips should be addressed. A completed tile job is extremely heavy and requires a substrate sturdy enough to support the weight. For tiling over tiles in bathroom walls you ll need to set up sheets of waterproof membrane in between the concrete wall and tiles.