What do you use for durock joints?
- 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 a Durock joint?
Scoop up about 1/2 cup of mortar mix with the blade of a 6-inch taping knife and smooth it over the Durock joints, pressing the mortar mix through the holes in the fiberglass mesh tape and deep into the seams between the panels. Wipe excess mortar from the surface of the joints, leaving a smooth, flat seam.
What do you use to seal Durock?
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. With proper finishing, Durock can be painted smooth and the seams will be completely hidden.
Where to put Durock?
Durock seems? What 'mud/joint compoud' to use? So the plan is to put up Druock on the walls around the tub and greenboard everywhere else, including the ceiling of the entire bathroom (not tiling on the ceiling).
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 can I use for 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.
What can I use for joints of cement board?
Use special mesh tape on seams Cover all of the corners, joints and seams, including the joint where drywall and cement board meet, with the fiberglass mesh tape.
What do you put on backer board joints?
2:084:43Taping Cement Board Joints-Step By Step Tutorial - YouTubeYouTubeStart of suggested clipEnd of suggested clipIt will basically seal the cement board so will seal the joint that the cement board as well asMoreIt will basically seal the cement board so will seal the joint that the cement board as well as strengthen.
Can I use joint compound 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.
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.
How do you fill concrete board seams?
1:586:34How to tape Cement Board Joints - YouTubeYouTubeStart of suggested clipEnd of suggested clipI'm using a cement board joint tape over any screw holes where I sunk the screw into the cementMoreI'm using a cement board joint tape over any screw holes where I sunk the screw into the cement board deeper than intended just to have peace of.
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.
Can I use drywall mesh tape for cement board?
Although paper tape generally leads to a cleaner finish on drywall, you can still achieve a smooth look if you use mesh tape on a drywall/cement board joint. Use this self-adhesive joint tape where cement board and drywall meet. Never use paper drywall tape on cement board.
How do you finish a seam between drywall and cement board?
Spread joint compound over the length of the tape with a 6-inch drywall knife. Make the seam just wide enough to cover the entire surface of the tape (generally 3 inches). Get it smooth and flat. Dab additional compound over the screw holes on both the drywall and cement boards, near the seam but not under the tape.
How do you fill a durock joint?
4:1714:23Taping and prepping cement board joints - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo a couple things you want to do when you're taping these joints. And now I'm going to thin set isMoreSo a couple things you want to do when you're taping these joints. And now I'm going to thin set is you want to have a six inch taping knife. And also use the trawl.
Should you tape cement board joints?
If you are going to tile over the cement board, you should tape the seams. This should not be that difficult. Pack in thinset, lay on the tape, and flat-knife to get it set in. In the corners, use a corner knife.
Can I use durabond on cement board?
Q:Can I use Durabond 90 on 1/2 Durarock as a joint compound with Alkali-Resistant Cement Board Tape? A: No. Alkali-Resistant Cement Board Tape is specifically designed for cement board finishing and is used with a dry or thin set mortar.
What is Durock cement board?
Things You'll Need. Durock Cement Boards are a type of drywall reinforced with cement for a harder surface. 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 ...
How to apply joint compound to drywall?
Apply joint compound over the tape with a drywall knife. Load up a small amount of joint compound onto the drywall knife. Hold the knife at a 45-degree angle to the wall. Smooth the compound over the tape in a very thin layer. Extend the compound out from the tape on either side by about 1/2 inch on each side.
What is 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. With proper finishing, Durock can be painted smooth and the seams will be completely hidden. Advertisement.
How to cover a dimple in a nail?
Cover over any nail or screw dimples with joint compound. Use a very small amount of compound on the knife. Scrape it over the dimple to fill in the area. Scrape off any excess compound and let it set until it is hard.
Can you use Durabond to paint a bathroom?
If not, then you want to use Durabond, which can be sanded down and painted just like normal joint compound, but won't reimulsify the way joint compound will. AS for the greenboard in the rest of the bathroom, that's fine, whether you're going to paint it or tile it. Thanks for the help.
Can you use thinset on durock?
Same tape for where the Durock meets the greenboard/sheetrock. As for the "joint compound" you'll use the same thinset that you'll be setting the tile with...and you will be using thinset, NOT MASTIC! Basically you can run the tape and hold off on the thinset until you reach that area while tiling.
What is USG Durock?
For more than 30 years, USG Durock® Brand Cement Board has set the standard for proven performance in the backerboard category. The new USG Durock® Brand Cement Board with EdgeGuard™ offers enhanced, proprietary edge performance and minimizes spin-out and crumbling. USG Durock® Brand Cement Board with EdgeGuard™ installs quickly and easily, while maintaining the brand’s tradition of quality and reliability.
How to apply latex fortified mortar?
Apply latex-fortified mortar or Type 1 organic adhesive with a notched trowel. Hold trowel at an angle to maintain uniform thickness. Refer to setting material manufacturer for specific information related to trowel type and size.
What is the best waterproofing material for cement board?
Red Guard is one brand of waterproofing material to consider. You basically paint it onto the cement board, let it dry and then apply the thinset and tile as usual. It makes a VERY good way to prevent any water from getting back behind the cement board.#N#Remember, tile, grout, thinset and cement board are NOT waterproof. They'll usually cause most moisture to slide down the wall to the drain but not always.#N#A couple buckets of redguard and you really don't have to worry about leaks ruining the framing behind the wall, ever.
Is Durrabond powdered sand water resistant?
None of them are water resistant---I take that back--Durrabond powdered is (brown bag)--but it's almost impossible to sand--#N#the seam should not be in a wet area---so you could use powdered Easy sand--or do nothing--add tilers mesh as you set the tile and pack the void with thinset.
Can you overlap tile with drywall?
You'd typically overlap the seam with the tile, using either one with a bullnose or rounded over. Thus there's be thinset used to hold the tile in the seam. And then a bit of caulk to bridge the edge of the tile sitting on the drywall, as that will have some 'give' as the different materials shift.
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.
