What do you use for durock seams?
- Wipe dust and debris from the joints between the Durock panels.
- Cut fiberglass mesh tape to fit in a single layer over every joint where the panels meet, but do not overlap the tape.
- Mix powdered latex-reinforced cement mortar with water as directed on the package in a clean plastic bucket.
How do you fix Durock seams?
Wipe dust and debris from the joints between the Durock panels. Scrape away hardened clumps of excess glue that may remain around the seams with a putty knife. Cut fiberglass mesh tape to fit in a single layer over every joint where the panels meet, but do not overlap the tape. It's OK if it's an inch or two short in spots.
What kind of tape do you use for Durock seams?
Alkali Resistant Mesh Tape. For tile backer board such as Durock, Wonderboard, Hardiebacker, Permabase, and others the seams between the board need to be treated with 2-inch alkali resistant mesh tape.
What is the best way to cut Durock® cement board?
USG Durock® Brand Cement Board with EdgeGuard™ panels should be cut to size with a knife and straightedge. A power saw should be used only if it is equipped with a dust collection device.
Can you use thinset on Durock?
But these problems can be avoided by this one simple step. For tile backer boards such as Durock, Wonderboard, Hardiebacker, Permabase, and others the seams between the board need to be treated with 2-inch alkali-resistant mesh tape. Then a coat of thinset gets flat troweled over the seam.
What do you use to fill cement board seams?
1:466:34How to tape Cement Board Joints - YouTubeYouTubeStart of suggested clipEnd of suggested clipTape.MoreTape.
How do you cover seams on cement board?
0:3614:23Taping and prepping cement board joints - YouTubeYouTubeStart of suggested clipEnd of suggested clipBut I want to show you - it's really hard to find the end here so what I do is I just scoot. The topMoreBut I want to show you - it's really hard to find the end here so what I do is I just scoot. The top until I see where the seam is there it is right there then I just push it back.
What kind of mud do you use for cement board?
The correct way to "mud the joints" is going to be to use tile thinset and a fiberglass tape made for cement board. It's similar to the sticky fiberglass tape made for drywall, but its thicker and more abrasion resistant since the thinset has sand in it and can be vary abrasive.
What kind of tape do you use on durock?
USG Durock™ Exterior Tape is 4" wide, and it is the required product for completely covering and reinforcing corners and joints of USG Durock® Cement Board when used as an exterior substrate.
How do you seal seams on durock?
1:594:43Taping Cement Board Joints-Step By Step Tutorial - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis area right here what you wanna do is you want to take some of the thin set mortar you want toMoreThis area right here what you wanna do is you want to take some of the thin set mortar you want to just put it on the teeth and then sweep it off so that you get a nice thin layer on the teeth.
Do you need to tape durock seams?
For tile backer boards such as Durock, Wonderboard, Hardiebacker, Permabase, and others the seams between the board need to be treated with 2-inch alkali-resistant mesh tape. Then a coat of thinset gets flat troweled over the seam. What this does is tie the two boards together and help prevent flexing.
Can you use drywall mud on durock?
This type of wall material can be finished just like ordinary drywall, using joint tape and joint compound. Joint compound is used to help provide a seal between the Durock panels and to fill the depressions left by either nails or screws during installation.
Can I use drywall mud on cement board?
When using drywall compound over cement board, it is recommended, but not required, to use a faster setting-type joint compound (45 or 90 min), than typical joint compound. Make sure to follow manufacturer guidelines for the products used to finish the non-tiled area.
Do you have to mud and tape cement board?
The thinset and mesh tape are to strengthen the seams. If you are going to tile over the cement board, you should tape the seams.
Do I need to seal cement board before tiling?
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.
How do you use redguard seam tape?
1:134:26How to Install RedGard Waterproofing and Crack Prevention MembraneYouTubeStart of suggested clipEnd of suggested clipApply red guard using a three-quarter inch nap rough textured synthetic roller and a paint brush orMoreApply red guard using a three-quarter inch nap rough textured synthetic roller and a paint brush or use a 3/16 inch by 1/4 inch v notch trowel. First pre coat the corners.
Do you have to tape cement board before tiling floor?
Yes. And use the alkali-resistant CBU tape. One tip, which might help or hurt - when you tape ahead of time and let the thinset dry before tiling you can get some bumps among the tape and thinset.
Durock Seams..modifed Thinset or 'unmodified'?
to use thinset on the Durock Seams, and Durbond between the durock & green board...
Comments (15)
For Durock seams use a modified thinset. Modified used to be called for by USG, I don't think their specs have changed.
What exactly needs to be taped and mudded?
Basically, a good rule of thumb is to tape anywhere two panels come together. In the photo above you can see that I’ve taped between the panels but also in the corners.
Cement Board installed on Floors
For floor applications where cement board is installed over a wood subfloor with a crawl space underneath please refer to this post.
Sealing a bathtub to the backer board
For information on how to treat the joint between a bathtub or shower and backer board please see this post.
