Can you drywall mud over 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.

What do you put over cement board in shower?

Quote from the video:
Quote from Youtube video: So I don't want to rethink this too much because I'm using cement board I'm gonna use waterproofing over it I'm gonna be just really meticulous. So I think we can get this to probably last decades.

Can you mud over Hardibacker?

wallyk said it best, the flex in the substrate, whatever that is, will rule over time. No flex, no problem. Show activity on this post. I used dry wall mud then latex paint on cement hardibacker behind my wood stove .

Can you mortar over cement board?

Because cement backer board is porous, thin-set, grout, and mortar adhere well to it. Backer boards can be nailed or screwed into studs or cinderblock, brick mortar, or concrete. Boards can be easily cut with a hand saw, circular saw, jigsaw, or multi-tool.

What kind of mud do you use on 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 you mud over 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 you RedGard on cement board?

RedGard Creates a Waterproof and Crack Resistant Membrane

There are two ways to get RedGard on cement board panels: Roll it on the wall with a 3/4 inch nap roller. Trowel it on the wall.

How do you waterproof cement board in a shower?

Quote from the video:
Quote from Youtube video: So use silicone caulk and backer rod instead of grout.

How do you mud a concrete board?

Quote from the video:
Quote from Youtube video: I'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.

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 transition from cement board to drywall?

Quote from the video:
Quote from Youtube video: So but like i said we're going to go ahead and come over with our thin thinset. Smooth this down. And then we'll cover it with mesh tape.

How do you seal cement board seams?

Quote from the video:
Quote from Youtube video: This 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 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.

Can you paint cement board like drywall?

Paint HardieBacker board as you would drywall if you are painting, as recommended by the paint manufacturer. If you are painting, apply a drywall primer that is suitable for high-moisture areas.

What tape do you use with Redgard?

You must also tape the backerboard seams with fiberglass mesh drywall tape. The easiest way I have found to install Redgard is, after the walls are prepped properly, start with a paint brush and thoroughly coat all the corners and angles.

Can you RedGard over Thinset?

You can install thinset mortar and tile directly onto RedGard. For best results, mix mortar in small batches and apply it to the shower wall a small area at a time. Use a notched tile trowel to spread mortar whenever you are tiling over RedGard.

Is RedGard tape waterproof?

RedGard® Seam Tape is a fast and easy way to cover seams and changes of plane when installing RedGard® Uncoupling Mat and Fabric Membrane to provide waterproofing and vapor barrier protection.

How do you apply RedGard tape?

Application of Product

Using the flat side of a trowel or a taping knife, embed the RedGard® Seam Tape into the still wet thin-set. With firm pressure, work the trowel or taping knife at angles out and away from the center taking care to work out any air that may have been trapped when the seam tape was placed.

How many coats of RedGard can I put on?

To meet the requirements of IAMPO, Two coats should be applied at a rate of 80 sq. ft. per gallon each coat. In all cases the wetfilm thickness should not exceed 125 mils.

Should I RedGard the shower pan?

Using a direct bonded waterproofing membrane (RedGard is such) on the interior of your shower walls over a traditional shower pan is fine. Do only the walls, not any part of the floor.