How To Repair Sheetrock Walls Behind Bathroom Tile
Cut out the drywall.
How to repair sheetrock walls behind bathroom tile. Step 1 obtain materials from home improvement center. If you have to use regular drywall then a water barrier must be inserted behind the drywall and the wall frames. The tile in your bathroom is likely adhered to one of two materials. Loose bathroom wall tiles or a wet spot on the bedroom or hallway side of your shower wall indicate a problem with moisture.
Then pull the tile and small squares of drywall out together. Apply a coat of joint compound to the edges using a 6 inch drywall knife. Allow the joint compound to cure prime it and paint it the same color as the rest of the non tiled area. Some type of wall board like drywall or backerboard or a mortar bed.
Patch any holes or cracks with spackling compound and sand the entire surface with medium grit sandpaper. Vacuum to remove dust. Install your tile as planned. There s no point in fixing damage that will only recur so the first step is to determine the cause of the wall damage.
Purchase the joint compound putty knife primer adhesive and other materials needed to apply tile from a home. Step 5 apply two more coats of joint compound allowing it to dry completely in between coats. If the tile does not completely cover the joint apply a coat of setting type joint compound which is more water resistant than typical joint compound to the joint. Remove any remaining dust oils and grease from the wall with tsp tri sodium phosphate or an ammonia based cleanser.
Cut and install a cement board patch. If you are looking to place tiles on a drywall inside a bathroom you will need to use a vapor barrier or some type of backing in order to prevent the sheetrock from getting wet which will cause it to deteriorate. To remove tiles that won t budge reach into the wall and use a utility knife to score the drywall from behind. Embed fiberglass mesh drywall tape in the wet compound scrape off the excess and allow it to dry for at least eight hours.
Drop those pieces into a bucket of hot water to separate the gypsum backing from the tiles. This is done to help prevent water from damaging the structure of the wall. Finding replacements that match perfectly often is impossible. Additionally using regular drywall can compromise the integrity of the tile as water will disintegrate the drywall.