Step 5 grout.
Tile over sheetrock wall.
However it is not a good substrate for tile because it s softer and more flexible than regular drywall.
Remove the tile and prepare the wall according to the corresponding instructions above or tile over the existing tile.
Purchase the joint compound putty knife primer adhesive and other materials needed to.
The tile does add a layer of waterproofing protection but the real heart of the system is in the wedi board behind the tile.
Greenboard is a kind of water resistant drywall.
Wash the wall with tsp tri sodium phosphate or an ammonia based cleaner to remove any grease or oil.
Step 2 fill holes.
You can tile over sheetrock.
Continue placing the first course of tiles in the same manner using spacers.
Place strips of blue painter s tape over the tile face sticking each end to the wall to prevent the tiles from sliding.
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.
Add another 1 8 inch to the height measurement and place a mark on the vertical line.
Step 4 place tile adhesive on the sheetrock.
How to tile over sheetrock.
Measure up from the bottom of the wall the height of the tile.
If existing tiles are beyond repair remove the tile and install a piece of wallboard in its place.
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.
Repair any loose or cracked tiles.
Apply a thin layer of mastic or thin set mortar below the horizontal line using a grooved trowel.
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 3 apply primer to the sheetrock.