Table of Contents
Does backer board go over tub flange?
ANSWER – No there should not be a gap between the top of the bathtub flange and the backer board on the wall. The backer board should overlap the tub flange so the tile has a stable backing to attach to. This requires shimming the backer board out from the studs so the wall is plumb.
How do you install cement board around a bathtub?
The best approach when installing cement board or other tile backer around a tub is to keep the cement board out of the lip area. Apply it to the wall with the bottom edge about 1/4 in. above the lip of the tub. Then apply a generous amount of thin-set to the bottom bathtub tile and position it 1/8 in.
Do you put cement board behind a tub surround?
Install cement board or an equivalent moisture-resistant backing material on walls behind tub and shower enclosures composed of tile or panel assemblies with caulked joints. Don’t use paper-faced backer board, i.e., paper-faced drywall, behind seamed tub and shower enclosures.
How do you fill gap between tub and tile?
If you have tile on the wall adjoining the tub, select a caulk that matches the color of the grout. If your gap is smaller than 1/8 inch in width, use regular caulk; fill gaps larger than 1/8 inch with a sanded caulk. Make sure the gap is clean and dry, then squeeze a thin, even bead of caulk into the space.
Do you have to put Thinset under cement board?
Using thinset under cement board is a commonly skipped step amongst many contractors. Proper installation would be to follow the manufacturers installation instructions for applying cement board to a subfloor. Thinset is going to create a solid surface under tile and prevent flexing that could lead to cracking.
Does Thinset stick to tub flange?
Tile are a very common way of finishing the walls in remodeled and new baths as they are impervious to water and highly stain-resistant. You can also apply the thinset mortar effectively over the whole wall so as to make sure that the bond for the tiles is a long lasting one. Mar 24, 2020.
What do you put behind shower walls?
Moisture barriers stop that water or vapor from getting any farther and potentially rotting your studs, the drywall or greenboard installed behind the enclosure. They are required beneath your shower pan and behind your shower walls.
Do I need drywall behind shower walls?
The short answer to the question is, “It’s not recommended.” However, this answer only really only suffices if you’re converting a room that was never a bathroom into a wet space. Drywall on its own is not suitable for use in bathrooms because it is prone to absorbing moisture and thus losing structural integrity.
How do you cut drywall around a shower valve?
How to Cut Drywall Around Shower Valves Measure for the center of the hole. Bore through the drywall with a drill and core bit for small pipes, such as up to 2-inches. Measure the dimensions of the cut-out if you are cutting for more than just a pipe stub-out. Cut the circle out with a keyhole saw.
What is a tiling flange on bathtubs?
The flange is meant to collect moisture, which gravity draws down the wall, and prevent it from ending up in the wall cavity. A properly built enclosure will have a moisture barrier or roofing felt or plastic sheeting drape over this flange before the wall material is installed.
Do you grout between tile and tub?
Grout or Caulk Between Floor Tile and Tub: Which Is Better? Since you are joining two different materials together, you should use caulk in the space where the floor tile and tub meet. Grout is not flexible, so it’s not the best material for the job, while caulk allows for movement and also provides a better sealant.
What is a tile flange kit?
The Tile Flange Kit includes an ABS tile flange chemically bonded to the tub at the factory. This not only facilitates installation but also provides a watertight seal on any sides specified. Available on square, rectangular and corner tubs. Tile Flange Kit / Field-Installed.
How big of a gap can I fill with caulk?
A single bead of caulk can fill gaps up to 1/4 inch. If the gap is slightly larger than this, fill it with a bead of caulk deeper into the gap, but not flush with the surface. Wait until the caulk is completely cured before coming back to put a surface bead on.
Can you use silicone instead of grout?
Silicone is advantageous to fill gaps over grout because it ensures watertight sealing. The sealing is so secure that it’s airtight as well! As a result, no bacteria can enter between the tile gaps. So, for tiles of your bathroom, the silicone would be perfect.
Can you caulk over grout around tub?
Caulking over grout will lead to peeling caulk and will likely cause a colony of mold spores to grow between the caulk and grout. To achieve a good-looking, waterproof seal, remove the grout and apply silicone caulk in shower corners.
Does cement board in shower need waterproofing?
Most concrete backer-boards on the market today are not water-resistant, but all are waterproof. Since many people confuse the terms, it is a common misconception that this is the best material for use inside a shower or tub area.
Should you waterproof cement board?
Although most backerboards currently available won’t fall apart when exposed to moisture and are somewhat water-resistant, they aren’t waterproof. To prevent moisture from seeping through to the wood or metal studs beneath the tile, a barrier or sealant must be used on porous materials.
Do you need to use RedGard over cement board?
You really don’t need the RedGard, but the more protection the betterso go for it. And yes, you can do the boards beforehand. But, hit the filled seams & screws (your weak points) as soon as a panel is ready to give it some time to setup. You’ll have to wait for the fills to dry or at least setup anyway.
