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Can I put KERDI membrane over drywall?
Yes! In fact, it’s advised to use this product on drywall in your bathroom before laying tile and other materials. Installing Kerdi on your drywall provides protection against rot, mildew and mold growth. When Kerdi is installed properly, it can serve as an incredibly effective waterproofing layer.
Can you use waterproof membrane on drywall?
As far as I can tell, there is no industry standard that supports the use of a liquid membrane on drywall in a wet area. Yes, you can make drywall pretty much waterproof if you coat it on all sides and edges with water-based urethane before you install it. Drywall can be primed and painted to be waterproof.
What do I install KERDI membrane with?
The thin-set mortar used for bonding KERDI must be appropriate for the substrate, and it must penetrate and engage the KERDI fleece. Generally, Schluter-SET, Schluter-ALL-SET, Schluter-FAST-SET, or unmodified thin-set mortar is used.
Should I prime drywall before Kerdi?
It is not necessary to tape the joints between drywall panels before installing KERDI. If you must tape the joints per fire code requirements, make sure to apply a latex primer over the taped joints before installing KERDI.
Should I prime drywall before KERDI?
Will unmodified thinset stick to painted drywall?
Thinset bonds best with a porous surface, such as new drywall or backerboard, which needs no preparation, but you can apply it over painted walls or tiles that are flat and in good condition as long as the shiny finish is removed.
https://www.youtube.com/watch?v=amzB2UqTGfI
Is it OK to put Kerdi over drywall?
Joint compound can be water soluble and should be protected from the moisture in the thin-set mortar used to install KERDI.
Why do you need a Kerdi membrane in your shower?
Without a waterproof membrane like Kerdi, water and moisture can seep through grout, tile and other materials and end up damaging wood studs and subfloor. If you have drywall in your shower, water can damage that too. Installing Kerdi on your drywall provides protection against rot, mildew and mold growth.
Can a Kerdi membrane be used over cement?
The installation instructions which come with the Kerdi cover a host of installation scenarios mostly based on the “waterproof-ness” or porosity of the substrate to which the Kerdi is applied. Kerdi membrane is 100% waterproof – you need to chose your thinset wisely to attain proper setting, curing and adhesion of the membrane.
Do you have to tape joints when installing Kerdi?
If you must tape the joints per fire code requirements, make sure to apply a latex primer over the taped joints before installing KERDI. Joint compound can be water soluble and should be protected from the moisture in the thin-set mortar used to install KERDI.