Remove Paint From Concrete Floor Before Tiling
1 as the concrete cures drying and shrinkage cracks could occur.
Remove paint from concrete floor before tiling. Lay a carpenters level across the concrete floor to detect the presence of low spots. Most floor tiles made from the 1920s to the 1960s contain asbestos and require special procedures for removal. Then put on a dust mask gloves and protective eyewear. If you re unsure about yours remove a tile and send it to a local asbestos abatement firm for testing.
To remove paint from concrete first sweep the concrete to clean the area you ll be working on. For this stage of the job so long as you re working on a compact concrete patch you can probably get by with a wire scrub brush or a paint scraper. Low spots cracks and bumps will all need to be corrected before proceeding. Most of the time the mud is easily cleaned up before it has a chance to dry.
If it tests positive follow these asbestos abatement procedures. Seal off the area with poly sheeting. If you discovered any defects on the floor fill them with a concrete patch or self leveling compound to achieve a flat surface that s ready to receive ceramic tiles. Test by sprinkling water on various areas of the subfloor.
As with a wooden subfloor a concrete subfloor must be level for successful tile installation. If you re going to install tiles in wet areas such as bathrooms and balconies you need to apply a waterproofing membrane or paint first. Also inspect the floor for cracks. Use a paint scraper to scrape up any thick globs of paint that are sticking up off of the concrete.
Additionally a steps must be taken to ensure that a concrete floor will create a solid bond. To prepare your concrete subfloor make sure that it can accept water penetration. There are two reasons for this. Sheetrock almost always involves a messy installation and despite any precautionary measures to keep the area clean most installers can attest to the possibility of sheetrock mud finding its way to the floor below.