Step 3 apply primer to the sheetrock.
Tile over sheetrock wall.
Though it is perfectly acceptable and meets most county building codes to tile over sheetrock in both dry and wet applications its use as a tile backing should be reserved for dry areas.
Measure up from the bottom of the wall the height of the tile.
Purchase the joint compound putty knife primer adhesive and other materials needed to.
Place the level horizontally on this line and scribe a line for the first course of tile.
Builders often use this as an enclosure wall if its tiled over.
You can tile over sheetrock.
If existing tiles are beyond repair remove the tile and install a piece of wallboard in its place.
To do so make sure all of the tiles are intact and secure.
Step 1 obtain materials from home improvement center.
Continue placing the first course of tiles in the same manner using spacers.
Add another 1 8 inch to the height measurement and place a mark on the vertical line.
Wash the wall with tsp tri sodium phosphate or an ammonia based cleaner to remove any grease or oil.
Compare this to the common practice of tiling over drywall and you get the idea that you have a totally different shower by using a product that is meant to function in the shower.
Step 2 fill holes.
Repair any loose or cracked tiles.
So you might want to do a little bit of exploratory surgery before you begin your project.
Place strips of blue painter s tape over the tile face sticking each end to the wall to prevent the tiles from sliding.
How to tile over sheetrock.
Step 4 place tile adhesive on the sheetrock.
Apply a thin layer of mastic or thin set mortar below the horizontal line using a grooved trowel.
The tile does add a layer of waterproofing protection but the real heart of the system is in the wedi board behind the tile.
Remove the tile and prepare the wall according to the corresponding instructions above or tile over the existing tile.