ANSWER. ANSWER – No there should not be a gap between the top of the bathtub flange and the backer board on the wall. There should be a moisture barrier behind the backer board that is installed in a weather lapping manner starting at the tub flange working up the wall.
Does cement board go behind tub?
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.
How do you install Hardie backer board around a bathtub?
Quote from the video:
Quote from Youtube video: So if you using kerdi-board or if you do rock or some other cement floor. You're gonna sit the board on the tub deck. You're gonna leave a little gap. And then you're gonna seal that Wow.
Does drywall go over tub surround flange?
Quote from the video:
Quote from Youtube video: And then run it over the top and run it up against the top not a bad option the other option of course is to just mud it and then run mesh tape over the top mud it again with a skim coat and sand it.
Where do you put tile backer board?
What is a backer board and why should you use them? As a building material, interior fibre cement tile backer board products are especially suited as a tiling base for tiling wet areas such as bathrooms, kitchens and showers as it is resistant to permanent water damage and does not need to be treated before tiling.
How do you install cement board around a bathtub flange?
Quote from the video:
Quote from Youtube video: So then i just take cement board tape. And i cover. The porcelain part of the tub or fiberglass. Whatever it is. And press that tape down cement board tape.
How do you fill gap between cement board and tub?
How to waterproof the tub flange?
- Caulk the gap. Probably the simplest way is to caulk the gap with 100% silicone or a urethane sealant. …
- Band the flange. Another option is to use some of the waterproof banding material that’s available with some of the sheet membrane systems. …
- Seal and (mesh) tape the seam.
Do you drywall over shower flange?
Quote from the video:
Quote from Youtube video: Like you and you and hope that's the case of mine. Over here where I've already started the existing sheetrock was probably a half-inch the face of this sheetrock a half-inch in front of the flange.
Does shower pan liner go behind backer board?
The wallboard must be installed 1/8 inch above the shower pan. If the shower pan is not in place, the wallboard height must be guessed, which can lead to inaccuracies and an expansion gap that is too large or too small.
What goes behind cement board in shower?
Use an appropriate waterproof or moisture-resistant backing material behind grouted tile or stone or segmented plastic or fiberglass tub and shower surrounds. Appropriate materials include cement board which has a cementitious core and glass mats on both sides to strengthen the board.
Can I just screw down backer board?
Screw and Joints
Do not use drywall screws as they are not recommended to be used to hold the backer board in place. All of your backer board pieces should be cut before they are placed on the floor. Along the perimeter, screws should be installed at least ½ inch from the edge, but no more than 2 1/4 inches.
How do you install a backing board?
Quote from the video:
Quote from Youtube video: To fit in small spaces or around obstructions score the board with a utility knife then cut it using a jigsaw with a carbide blade. Apply thinset between the cement board and the subfloor.
How do you install a shower backer board?
Quote from the video:
Quote from Youtube video: So putting the strapping or furring strips. Over this brings it out from that vapor barrier. And gives some space for air to breathe in behind it. And keep it dry. So that fixes that for me.
How do you finish the edge of a tub surround?
Quote from the video:
Quote from Youtube video: By uh just putting it in the system which is in and then just measuring over with the table saw and cutting whatever scraps of plywood or whatever you have around i have a some 3 8 plywood.
Does drywall go behind bathtub?
Quote from the video:
Quote from Youtube video: I do this behind the enclosure all the way up to get myself a nice level wall. And it works perfect and I get no water penetration ever in my bathtubs.
How high should cement board be in shower?
Be sure to figure the height of your tile backer board to be a minimum of 6 feet above the shower floor. This will keep you from having any moisture problems with your drywall.
Does it matter which side of cement board faces out?
No, it doesn’t matter. Regardless of which side faces out during installation, you can expect the same great performance that has made USG Durock® Brand Cement Board the preferred choice of professionals and do-it-yourselfers for decades.
How do you install HardieBacker in the shower?
Quote from the video:
Quote from Youtube video: Clean attached hardi backer cement board to framing install boards one quarter of an inch above floor tub or shower pan. And caulk accordingly tip finishing with paint versus. Tile.
What’s the difference between cement board and Hardibacker?
HardieBacker is much more light, and it is also the best selling brand of cement board available. It is much cleaner because it does not have any glass in it. It allows for a smooth job with minimal mess. As a bonus, HardieBacker board has an EZ Grid pattern so you can cut perfect lines.
Do I really need thinset under backer board?
Thinset is going to create a solid surface under tile and prevent flexing that could lead to cracking. Using thinset between the backerboard and subfloor will create additional strength, fill in any potential gaps that exist and lessen the possibility of movement.
Which side of Hardibacker board faces out?
Either is acceptable, but we recommend that the smooth side with the nailing pattern of every 8″ on center go up.
