Measure up from the bottom of the wall the height of the tile.
Tile over sheetrock wall.
The tile does add a layer of waterproofing protection but the real heart of the system is in the wedi board behind the tile.
However it is not a good substrate for tile because it s softer and more flexible than regular drywall.
Builders often use this as an enclosure wall if its tiled over.
Wash the wall with tsp tri sodium phosphate or an ammonia based cleaner to remove any grease or oil.
Continue placing the first course of tiles in the same manner using spacers.
Purchase the joint compound putty knife primer adhesive and other materials needed to.
To do so make sure all of the tiles are intact and secure.
How to tile over sheetrock.
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.
If existing tiles are beyond repair remove the tile and install a piece of wallboard in its place.
Step 4 place tile adhesive on the sheetrock.
Repair any loose or cracked tiles.
Apply a thin layer of mastic or thin set mortar below the horizontal line using a grooved trowel.
Step 3 apply primer to the sheetrock.
Step 2 fill holes.
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.
You can tile over sheetrock.
Place strips of blue painter s tape over the tile face sticking each end to the wall to prevent the tiles from sliding.
Step 5 grout.
Place the level horizontally on this line and scribe a line for the first course of tile.
Greenboard is a kind of water resistant drywall.
So you might want to do a little bit of exploratory surgery before you begin your project.