Even in the best of scenarios the tile and grout will eventually wear down leaving behind a clear route for water to seep through and soak into the drywall.
Drywall over bathroom tile.
The tile in your bathroom is likely adhered to one of two materials.
Step 2 fill holes.
In areas that are exposed to an abundance of moisture it is better to install a cement board as a backer rather than a gypsum board.
How to tile over sheetrock.
This constant wetness with repeated showers every day doesn t allow anything to ever dry out.
Step 3 apply primer to the sheetrock.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Great choice for bathrooms and kitchens.
Step 4 place tile adhesive on the sheetrock.
It will be fine to tile over drywall in low moisture areas such as tiling around a fireplace.
If you re not sure if you have lead paint test kits are available.
Always drywall over tile when it is cement or brick or stone under the tile in many commercial jobs you will find that the tile has been installed over these materials if you chip it off you will be left with an uneven surface pocked with mortar and tile setter glue or paste or worse.
Some type of wall board like drywall or backerboard or a mortar bed.
Wall panels are typically made from plastic or acrylic sheets which provides a seamless waterproof surrounding for your shower.
Things needed orbital sander 80 120 grit sandpaper safety glasses dust mask rags tape measure pencil 48 inch spirit level mastic or thin set mortar grooved trowel tile spacers tile cutting tool grout grout spreader sponge grout haze remover optional distilled white vinegar optional.
Purchase the joint compound putty knife primer adhesive and other materials needed to.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Step 5 grout.
This drywall features a paperless backing and special coating to help prevent the build up of mold in moist or humid areas.
Regular drywall regular drywall can be used as a base for tiles in a shower but only as an absolute last resort.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
Please also see the value of having a good quality bathroom exhaust fan the bottom line is that drywall and this includes moisture resistant drywall should never be used behind tile in wet areas showers and tub shower combinations.
Step 1 obtain materials from home improvement center.
In areas of high moisture such as walls in a shower for long term durability it is not advised to install tile over drywall even if the drywall is type mr moisture resistant.