Can you put redguard on drywall?

RedGard is not designed for use on drywall, yet many people have successfully done so. RedGard does not make drywall fit for use in wet areas. Additionally, if applied incorrectly, the RedGard will nort form a sufficinet barrier and if water get into the drywall, it is ruined.

How do you waterproof a shower niche?





Waterproof Shower Niche

  1. To waterproof a tiled niche, apply waterproof backerboard to the inside surfaces of the niche. …
  2. Next, apply waterproof membrane, bedding it in unmodified thinset. …
  3. With the waterproofing complete, install the tile starting with the bottom of the niche, which should have a slight pitch for drainage.


Can you put waterproof membrane on drywall?

It is possible to waterproof drywall in a shower by covering the drywall with a waterproof membrane. This waterproof membrane can be bonded to drywall with thinset adhesive to create a waterproof layer. Never tile directly over drywall in a shower.

Can RedGard be used on shower walls?


Quote from Youtube video: Okay on this video I'm going to show how to use Red Guard Red Guard is a topical membrane that goes on my shower walls. Whether I'm building a half bath shower or full shower.

Is redguard good for waterproofing?





RedGard Waterproofing and Crack Prevention Membrane prevents cracks in tile and stone floors due to surface movement. The membrane also produces a moisture barrier. Suitable for use in residential and commercial tile and stone installations.

Can you put redguard over Greenboard?

Put the green board up, coat it with redgard, stick on your tiles. The water will just wick to the other areas not covered in redgard or get behind the green board and leak somewhere else. You will be doing versions of the same thing over and over, you will have mold issues, tiles will fall off.

How do you waterproof a drywall shower?

The best way to waterproof your drywall is to use a waterproofing primer. You can find both oil- and latex-based waterproofing primers made by most paint manufacturers. These products are created specifically to prevent mold and mildew on the surface to which they are applied.

Can you use mesh tape with RedGard?

A: The RedGard Seam Tape for Uncoupling Mat Underlayment is incompatible with our RedGard Waterproofing and Crack Prevention Membrane. We would recommend reinforcing the corners by embedding alkali-resistant fiberglass mesh tape.

Will silicone stick to RedGard?



Membrane will not adhere to silicone when applied on next day. After curing, clamp the upper flange onto the membrane and tighten. Use a rapid curing urethane caulk around the flange where the membrane and the upper flange make contact.

How do you waterproof a shower with Red Guard?

Quote from the video:
Quote from Youtube video: They recommend applying two coats they say you should roll one coat on vertically the other coat on horizontally to better fill all the pits. And crevices in the cement.

Can I tile directly over redguard?

Can You Tile Directly Onto RedGard? There’s no need to put another layer of product on top of RedGard before you begin tiling. A surface that has been painted with RedGard and allowed to dry is ready for you to apply thinset and install tile. You can install thinset mortar and tile directly onto RedGard.

Can you tile over Sheetrock in a shower?



You can tile over drywall in areas that are not exposed to excessive moisture, and it is safe. It is not safe to tile over drywall in areas that are exposed to wetness like in the shower. Water in these areas can eventually seep behind the tile and cause damage, mold, or pest infestations.

Is redguard a vapor barrier?

It bonds directly to clean metal drains, PVC, stainless steel and ABS drain assemblies and can be used as a slab-on-grade moisture vapor barrier under all types of floor coverings. RedGard® is a liquid-applied elastomeric waterproofing material that cures to form a monolithic membrane.

How do you apply RedGard waterproofing?

Quote from the video:
Quote from Youtube video: For general waterproofing apply two coats of red guard. Take half of a 1 gallon pail of red guard and spread it over a 55 square foot area then.

How do I waterproof my shower walls before tiling?

Quote from the video:
Quote from Youtube video: For the main shower wall and floor surfaces. Apply the first coat of towel sure proof to the dry primed surface with a short hair enamel paint roller or brush. And allow to dry.

Do you need to put a vapor barrier behind cement board?



If it’s a cement board, you need a vapor barrier, because cement retains moisture, which means the wood next to it is always damp. It does retain moisture, but the advice given by others here is to move the waterproofing between the tile and cement board with products like Redguard or Ditra.

How do I waterproof my shower walls?

Quote from the video:
Quote from Youtube video: So using plywood strips i just rip these down on a table saw just get a cheap piece of plywood osb it doesn't really matter. And cut them down and use them as furring strips to overcome the flange.

How do you waterproof a green shower board?

If you decide to use it, see if you can find a product called ‘redgard’. It’s a paint-on waterproofer that should help keep the green board dry. Since I’m in Brazil I wont find the redgard you mention, but I did some research on the topic, and I think the best bet is some type of acrylic waterproof sealer.

Is there waterproof drywall?

Water-resistant drywall has been around for more than 25 years. It is known in the trade as greenboard because of its green paper facing. It is a great product when used exactly as it was designed to be used. I have had great success using greenboard behind sinks and toilets and on walls with ceramic-tile backsplashes.

What is the best material to use behind shower walls?



We recommend acrylic as the best shower wall material. Acrylic is the best system to use for shower walls because it is the safest, least high maintenance, and easy to install, meaning your shower could be done in as little as one day.