Can you put redgaurd over drywall?
Re-pour the mortar bed, PVC membrane, retile, and retile the first row of wall. Upon tearing out a tile in the wall, I found that the previous owner put RedGaurd over drywall, no cement board to be found.
Can you use redgard on concrete?
RedGard is a ready-to-use, liquid formula that creates a seamless waterproof barrier and prevents common cracks from occurring in tile, stone and grout. You can apply RedGard to concrete, cement backerboard, exterior grade plywood and exterior decks. It also bonds directly to metal and plastic drain assemblies.
Can you use redgard on plywood?
You can apply RedGard to concrete, cement backerboard, exterior grade plywood and exterior decks. It also bonds directly to metal and plastic drain assemblies. Besides, can you use redguard on plywood?
Can I use Redguard over drywall in a bathroom shower renovation?
Here in North Vancouver you can not use Redguard over Drywall in a bathroom shower renovation. This wet zone should be waterproofed from 6' down in my opinion. Drywall Green or White has no place in a shower's wet zone.
Can you use RedGard over drywall in a shower?
water-resistant backing board for ceramic tile in residential tub and shower enclosures as permitted in the National Building Code of Canada 9.29. 10.4". All you need to do is use waterproof membrane like Kerdi or RedGard. Even if they fail in 20 years tiles will look ugly anyway.""
Can you put waterproof membrane on drywall?
Kerdi on drywall Yes! In fact, it's advised to use this product on drywall in your bathroom before laying tile and other materials. 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.Dec 17, 2018
How do you waterproof drywall in a shower?
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 you put RedGard 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.May 22, 2020
Is green board drywall waterproof?
Green board is water-resistant – it is not waterproof. Green board is highly efficient in bathrooms and kitchens, where moisture is frequently in the air, but it is not the drywall that should be set behind tile in your shower or any other areas where it can come in direct contact with water.
Will RedGard stick to painted walls?
Waterproofing concrete surfaces permanently with a cement-like product, which can be applied to any surface, including painted walls. Surfaces previously painted can be applied to the product.Jan 8, 2022
How do you waterproof a drywall ceiling above a shower?
Waterproofing is recommended for shower ceilings and required for steam environments. You may easily install a waterproof membrane with some specially-crafted materials. Clean and dampen ceiling backing. Attach waterproof membrane sheets, strips, and corners to cover the ceiling, seams, corners, and ceiling-wall edges.Oct 31, 2020
Can drywall be waterproofed?
Drywall can be primed and painted to be waterproof. Although water resistant drywall -- commonly referred to as greenboard or blueboard because of its color -- is available at most home improvement stores, you may find yourself needing to waterproof your current drywall.
Can I use green board for shower walls?
It means "Greenboard" can still be used in bathrooms (and other areas), it just cannot be used as a backer for tile in a shower or tub surround. It can be used in areas not subject to direct water exposure (tub/shower surround), and areas of noncontinuous high humidity (bathrooms).Oct 27, 2012
Will thinset stick to RedGard?
Premixed thinset mortar does not adhere well to RedGard waterproofing membrane. In order to make sure your tile bonds well to a surface that has been waterproofed with RedGard, use a powdered mortar. You will need to mix this mortar with water yourself, but it will ensure a strong bond between the tile and the wall.
Is one coat of RedGard enough?
For tile installations bonding directly to the substrate; strongly recommended to apply at least one full coat of "undiluted" RedGard® to the "dry" primed area and allow to dry completely before tile installation work is to begin. When used as a vapor barrier, apply one full coat (70 sq. ft.
Can you install tile on green drywall?
Tile walls can set easily on greenboard. Tile installations take to almost any substrate or backerboard, and their natural resistance to staining and moisture invasion makes them ideal for floors and walls in many homes.
What is the water resistant backing board for ceramic tile?
water-resistant backing board for ceramic tile in residential tub and shower enclosures as permitted in the National Building Code of Canada 9.29.10.4". All you need to do is use waterproof membrane like Kerdi or RedGard. Even if they fail in 20 years tiles will look ugly anyway.""
Is USG substrate an appropriate substrate?
USG contact info: for technical assistance please contact 1-800-USG4YOU (874-4968) live_wire_oak. 8 years ago. No, it's not an appropriate substrate. Just because he's been doing it that way for 15 years doesn't mean that he's been doing it right. It should be ripped out, and replaced with a cement board substrate.
Does mortar bed soak up drywall?
In fact, the mortar bed was poured right up to the drywall so that the drywall sits up against the mortar bed. This seems like it's not the proper way to do it, am I right? I would think that since the mortar bed is porous, water that made it through the grout would soak up the mortar bed and into the drywall.
Can you use drywall in a wet area?
Yes, you are right! First, there never shoulda been drywall of any type used in a wet area unless it's covered with an approved membrane, such a Kerdi.:thumbsup: With your "old traditional" method they shoulda done this; * built a pre-slope on the subfloor, sand/cement slopped at least 1/4" per ft. to the drain.
Is cement board waterproof?
While it is indeed waterproof, I don' t think it's classified as a vapor barrier, which means that water in a gaseous state can penetrate it. That means some water - not much, but some - will end up condensing on the other side of the RedGard. For cement board, this is no big deal.
Is Redguard a water barrier?
Redguard is both a water and vapor barrier when applied properly...thick and with no holes in the membrane. I guess I'm still not seeing the light. There is no structural issue, Robert. The RedGard will stay on the dry sheetrock just fine, and the tile will stay on the Redgard just fine.
Can a redgard bridge a gap?
If you have cracking or separation of the sheetrock at the wall corners (common), the RedGard may bridge the gap, but it may not. It's a crack-isolation membrane as well as a waterproofing membrane, but plane changes present different problems in that regard.
Does Schluter use Kerdifix?
Kerdi is good stuff, but those edges are still raw sheetrock. That's one of the reasons some old pro tilers still won't use the Kerdi System - well, not over sheetrock, anyway.
What is redgard for concrete?
RedGard is a ready-to-use, liquid formula that creates a seamless waterproof barrier and prevents common cracks from occurring in tile, stone and grout. You can apply RedGard to concrete, cement backerboard, exterior grade plywood and exterior decks.
How long does it take for redgard to dry?
Let this first coat of RedGard dry until the panels appear red in color. This took about 1 to 1.5 hours. Drying time depends mostly on temperature & humidity levels and the surface will appear pink until the the RedGard has completely dried. Similar Asks.
Can you use Redgard on cement board?
As long as it's Cement Board & not some crappy "almost" cement board stuff. You really don't need the RedGard, but the more protection the betterso go for it. And yes, you can do the boards beforehand. But, hit the filled seams & screws (your weak points) as soon as a panel is ready to give it some time to setup.
Is redgard better than vapor barrier?
Redgard on Hardibacker Board The trend these days is toward waterproof showers, so redgard will be better than a vapor barrier behind the cement board. Take a look at the Schluter Kerdi shower information on the Schluter site. Kerdi can be used over drywall, no cement board needed.
