Tiling Over Concrete Block Wall

Apply commercially made filler that is made specifically for cinder or concrete blocks to create a smooth surface to which the tile can adhere.

Tiling over concrete block wall.

Cinder block wall preparation first the cinder or concrete masonry unit block needs to be prepared correctly. 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. Any hairline structural cracks sprawling or gaping fissures or chips should be addressed.

Ventilate and dehumidify the area before during and after the installation because basement walls are usually susceptible to moisture. For tiling over tiles in bathroom walls you ll need to set up sheets of waterproof membrane in between the concrete wall and tiles. Cracks and gaps can be filled with portland cement based fillers. The safest way to approach questionable concrete is not to cover it over with cbus but to fix the concrete.

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. Installing tile over concrete walls is possible but presents some unique challenges. The key to a long lasting and attractive tile installation is proper substrate preparation. Tile cannot be attached directly to painted concrete as the thin set will not adhere well to the paint.