Cement board joint compound

Then use cement board fiberglass tape and more thinset to tape the joints. This is similar to drywall taping. The fiberglass tape looks similar, but is not the same so make sure you get the right kind.

I was curious about this too and did some reading about it. So, doing it above the shower is probably fine. Doing it IN the shower would be a bad idea. Thats a do-over in my book. 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. Don’t worry if the tile doesn’t cover the joint between the cement board and the drywall. Just finish it with a setting-type joint compound , which comes in 25-lb.

Do not use drywall screws or drywall nails. If you plan to finish the joint for painting, use regular, lightweight joint compound for the top coats after the mortar hardens. In this video, I show you how to tape cement board joints. It is a very simple process and I used some Fibatape and thinset mortar to seal the cement board joints. All that I did was press the.

Instead of using drywall joint compound to embed the tape in the cement board you should use thin-set mortar. We utilized the same thin-set that will be used to attach the tiles. And I use thinset for that even though it will get on the drywall? Shop our selection of Cement Boards in the Building Materials.

What kind of tape and joint compound should be used over cement board in the tub (wet) area? I went to home depot and saw some fiber self stick tape. Remodeling bathroom just put up durock over tub and preparing to tile. Home depot salesman sad I could use joint compound on durock is this correct? Redgar I think that would be the brand that.

Install additional two-by-four backing in the wall where the joint between backer board and drywall will be. This can be done prior to installing the extra drywall strip to close the space, or screw a two-by-four to the back of the last drywall sheet. The documents found here are in Adobe PDF format which requires Acrobat Reader.

Backer Board Installation. Most cement board manufacturers will permit you to use nails or screws to attach the material to framing. Paper tape and joint compound ? Ignore the height difference. Install tile up to the edge, the cement board is lower, so your tile will be slightly lower than the drywall.

Remove joint compound , skim the wall with thinset to level. Would the person have to skim-coat drywall compound over the entire surface of the cement board just to get it as smooth as the drywall (although I think Hardie backer has a more smooth surface than Durock, for example). 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 inches). Dab additional compound over the screw holes on both the drywall and cement boards, near the seam but not under the tape. Is the green board adjacent to the shower, i. I use regular all-purpose joint compound and regular mesh tape or paper tape when taping corners and seams, above the tiles, in a shower? Altius Cement Board Joint Compound (Acrylic) is a pre-mixed lightweight product used for jointing and skimming of cement boards to attain high quality finish.

This product has excellent coverage and bonding as well as adhesive properties. Finishing durock and drywall In my bathroom, I need to finish the joints between durock and drywall, both on the walls and ceiling. I know joint compound for drywall and thinset for the durock, but what about where the two join? Over the cement board I’ll reinstall the same old tiles, regrout and caulk the bottom from tile to tub. Six Reasons to Use DensShield.

Which tape do I use where cement board meets green board ? The best tape to use if the seam connecting the green board to the cement board is Mold-Xif the seam is going to be coated with joint compound. This would be done if the seam will not be covered with tile, which means it has to be properly concealed with joint compound so that the. Joint compound (also known as drywall compound or Mastic) is a white powder of primarily gypsum dust mixed with water to form a mud the consistency of cake frosting, which is used with paper or fiber joint tape to seal joints between sheets of drywall to create a seamless base for paint on interior walls.