What kind of treatment is needed for the drywall so that it does not get moist you can tile right over your existing drywall.
Ceramic tile over sheetrock.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
Thinset mortar lays a bed for placing tile.
Read more to find out how.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
However it is not a good substrate for tile because it s softer and more flexible than regular drywall.
Sometimes builders used greenboard in bathrooms next to showers and sinks.
By far the most common problem i have encountered has been tile installed over drywall in shower wet areas.
Thinset adheres to sheetrock as well as any other surface but you need to consider the purpose of the area when installing tile.
Raj asks i am planning to install a ceramic backsplash in the kitchen over painted drywall.
The wall has to simply be prepared in order to complete this task properly.
The top objective is to create a smooth and uniform surface on the drywall for the tile to be evenly placed.
Tiles are ideal for showers bathtubs and backsplashes.
If you re not sure if you have lead paint test kits are available.
Allow the mortar or mastic to sit for at least 12 hours to set properly.
If you are tiling an area that is not in a bathroom tiles can be applied directly to the sheetrock simply and easily.
Lumps and bumps lead to misaligned tiles.
Once the adhesive dries and the grout has set it will be impervious to moisture.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
How to tile over painted drywall.
If you want to update your kitchen or bathroom walls with tiles you don t have to remove existing painted.
Builders often use this as an enclosure wall if its tiled over.
One word of caution though.
Place strips of blue painter s tape over the tile face sticking each end to the wall to prevent the tiles from sliding or falling off as the mastic sets.
This is the case so much of the time that when people tell me on the phone that they have tiles they can push in with their hands in the shower or that the tiles are falling off the wall or seem squishy i immediately get the image.
Home improvement can be messy business.
Greenboard is a kind of water resistant drywall.