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RedGard 1 Gal. Waterproofing and Crack Prevention Membrane

$49.97 /each
  • Ready to use - Roll it on
  • Quick dry formula
  • First step to achieving a lifetime warranty

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Product Overview

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.

  • Designed for interior and exterior use
  • Easy to use and can be applied by roller, trowel or airless sprayer
  • Apply 1 coat to inhibit tile and stone cracking due to minor surface movement
  • Apply 2 coats to waterproof floors and countertops
  • Rated for extra heavy-duty service

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Customer Questions & Answers

197 Questions340 Answers

Customer Questions & Answers

RedGard 1 Gal. Waterproofing and Crack Prevention Membrane
RedGard 1 Gal. Waterproofing and Crack Prevention Membrane

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5 answers

Can redgard be applied over formica countertops?

This question is from RedGard 1 Gal. Waterproofing and Crack Prevention Membrane
Asked by
Birmingham,AL.
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January 10, 2014
I have Formica counter tops in my kitchen and I want to tile them.I know that they have to be roughed up to apply redgard or any underlayment but will it provide the moisture barrier needed?
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Answers (5)

Asked by
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January 3, 2016
Answer: 
Only on concrete subfloors for tile and stone installation.
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Asked by
Michigan
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April 15, 2014
Answer: 
I have done this project before. I sanded the formica first with a vibrating sander. Then just used tile adhesive. I wouldn't bother with the redguard for this.
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Asked by
Denver, CO
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January 31, 2014
Answer: 
sure it can but why? Usually we mortar and screw down 1/2" cement board on top of formica tops to prep for tile. Redguard won't give the type of stability you need to avoid grout cracks on countertops. Use concrete board
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Asked by
Las Vegas, NV, USA
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January 15, 2014
Answer: 
I would not use the Formica tops due to they are particle broad you need to use exterior glued 3/4 in plywood for your sub-top then hardy-backer 1/4 in then the redgard also use a white marble mat thin-set mortar because it only shrinks 1-2% also it is easier to use
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Asked by
Technical Service Dept. Corp office
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January 10, 2014
Answer: 
No. Over formica countertops roughen up the surface and used a polymer modified mortar such as FlexBond Bonding Mortar. If you need further assistance please contact our installation division at 800.272.8786
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5 answers

will red guard waterproof plywood on a exterior deck under a patio cover and if so can you glue indoor /outdoor carpet to it

This question is from RedGard 1 Gal. Waterproofing and Crack Prevention Membrane
Asked by
ione cal
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November 6, 2013
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Answers (5)

Asked by
brooklyn
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Home Improvement Profile: DIYer
March 4, 2016
Answer: 
From manual:
Exterior grade plywood — For crack isolation of *interior dry areas* only
Exterior decks — Contact Technical Services for information related to
exterior application and the use of pressure Treated wood decks
(so for your case, No)
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Asked by
Denver, CO
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Home Improvement Profile: Professional
January 31, 2014
Answer: 
Roofing cement and tar paper will be far more effective. Along with proper drainage, if water pools then it's going to eventually find it's way through
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Asked by
Las Vegas, NV, USA
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January 15, 2014
Answer: 
yes
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Asked by
Utah, USA
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November 19, 2013
Answer: 
I think so.. when you put it on it makes a rubber feeling layer , I used it and put peel and stick tiles to it and it held them super good... would do it again
Kate Ramsey
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Asked by
Technical Service Dept. Corp office
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November 7, 2013
Answer: 
Hi there, thank you for contacting us. RedGard does not waterproof plywood. If you have further questions please contact our installation division at 800.272.8786
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5 answers

My concrete basement wall seems good & dry. Iwant to insure that by Redguarding it.Then I want to texture the wall w/drywall mud over the Redguard-OK?

This question is from RedGard 1 Gal. Waterproofing and Crack Prevention Membrane
Asked by
Robgart
Lebec,Ca
August 17, 2013
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Asked by
Atlanta, GA
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Home Improvement Profile: Professional
March 9, 2016
Answer: 
Yes, this product will waterproof a basement. We had comprised walls as our home was built in the 50s with a cinder block foundation. Firstly, I sealed the mortar on the cinder blocks with mortar repair from Home Depot. Secondly, I cleaned the Cinderblock and let it dry on both the inside and outside. I applied liberal coats inside and out. I then let it dry applied a second coat and painted over it with Read More
Yes, this product will waterproof a basement. We had comprised walls as our home was built in the 50s with a cinder block foundation. Firstly, I sealed the mortar on the cinder blocks with mortar repair from Home Depot. Secondly, I cleaned the Cinderblock and let it dry on both the inside and outside. I applied liberal coats inside and out. I then let it dry applied a second coat and painted over it with oil based paint. We haven't gotten any water since. This is an excellent product. Remember, that it dries red so you have to cover it with oil based paint. It truly works!!! Read Less
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Asked by
Oregon City, Oregon
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December 18, 2013
Answer: 
No, use a product specific for waterproofing basements. Redgard is not designed for the holding back the pressure that can accompany below grade water infiltration. The product is also intended to be covered with a solid material such as tile, or slate.
By using the correct product such as (Drylok 27512 Masonry Waterproofer), you will be spending much less money as well.
User submitted photo
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Asked by
Technical Service Dept. Corp office
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August 19, 2013
Answer: 
Hi there, thank you for contacting us. RedGard is intended for usage underneath cement mortar for the installation of ceramic tile. If you need further information please contact our installation division at 800.272.8786
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Asked by
David
Van Buren, AR, USA
August 19, 2013
Answer: 
I'm not an expert on this but watching lots of DIY shows and so on, I see that for basements and water protection, there are specific products that you apply to the "outside" of the wall/basement to prevent water from getting in. You don't normally apply the product to the inside wall. Now I have seen one product that supposedly allows for this to be done on the inside but how well it might or might not Read More
I'm not an expert on this but watching lots of DIY shows and so on, I see that for basements and water protection, there are specific products that you apply to the "outside" of the wall/basement to prevent water from getting in. You don't normally apply the product to the inside wall. Now I have seen one product that supposedly allows for this to be done on the inside but how well it might or might not work is questionable. I don't believe RedGuard was intended for this usage. Again, I'm not a professional. Read Less
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Asked by
Las Vegas, NV, USA
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August 18, 2013
Answer: 
I'm assuming your wall is over the 28 days old from being poured. Redgaurd should work ok for what your talking. I would also look in to hydrolc cement I know they make a liquid form that paints as well. If you stick with redgaurd I know you can spay it with a paint sprayer but check with the manufacture on how to cut it to spray this will give you even coat. But with a textured wall you may just want to Read More
I'm assuming your wall is over the 28 days old from being poured. Redgaurd should work ok for what your talking. I would also look in to hydrolc cement I know they make a liquid form that paints as well. If you stick with redgaurd I know you can spay it with a paint sprayer but check with the manufacture on how to cut it to spray this will give you even coat. But with a textured wall you may just want to roll it on thick Read Less
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4 answers

Will 1 gal of Red Guard cover the area for my bathtub surround (32 x 60 x 58)?

This question is from RedGard 1 Gal. Waterproofing and Crack Prevention Membrane
Asked by
odessa, TX
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April 20, 2016
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Answers (4)

Asked by
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May 5, 2016
Answer: 
i just bought 1 gal and painted it over using a brush on my 32x60 shower stall, my contractor painted the nails and joint scection over mesh for one layer, then he applied a layer on the overall surface including 3 walls (7 ft tall i believe) and curb (only the inside and up, not enough for outside of curb). and shower pan (which is laid with mud pan, pan liner, mud pan, so i don't know why he used it on Read More
i just bought 1 gal and painted it over using a brush on my 32x60 shower stall, my contractor painted the nails and joint scection over mesh for one layer, then he applied a layer on the overall surface including 3 walls (7 ft tall i believe) and curb (only the inside and up, not enough for outside of curb). and shower pan (which is laid with mud pan, pan liner, mud pan, so i don't know why he used it on shower pan). in a nut shell, it is good only for one layer. if you want to make sure, buy 2 gal, you can always return it if necessary. Read Less
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Asked by
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April 25, 2016
Answer: 
Yes. One gallon will suffice if you use a paint brush and not a trowel. It is fairly thick and dries solid so keep in mind the thickness of the layer you apply.
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April 22, 2016
Answer: 
RedGard Waterproofing and Crack Prevention Membrane will cover approximately 40 sq. ft per 1 gal to meet ANSI A118.10. For further assistance please contact our installation division at 800.272.8786 option 2
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April 21, 2016
Answer: 
It will be enough to cover.
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Customer Reviews

Rated 4.6 out of 5 by 114 reviewers.
Rated 5.0 out of 5.0 by Good product, easy to use This product is very easy to apply. It is quite a bit thicker than paint, but can easily be applied with a paint brush and roller. Be sure to wear gloves, as it you will get it on your hands. DO NOT use a trowel to apply it if you are using it to coat walls, use the method above. The sales associate told me when I bought it to apply 2 coats, first rolling up and down and the second coat side to side (be sure to let product dry between coats). July 27, 2016
Rated 5.0 out of 5.0 by Super at sealing out moisture. I purchased this to apply to the walls of my basement shower and I am happy with the ease of application and the smell went away quickly. Just applying the tiles now. July 30, 2016
Rated 5.0 out of 5.0 by Best for the Cost! The best water proofing membrane around for its cost. July 19, 2016
Rated 5.0 out of 5.0 by Great stuff I use this for every tile project, 3 coats best for showers June 28, 2016
Rated 5.0 out of 5.0 by Use it on shower walls for a while now, seems to hold up well!! spreads nice seem to hold up well sticks and fills cracks good July 5, 2016
Rated 5.0 out of 5.0 by Amazing product Incredible stuff, I used this for another purpose and it exceeded expectations. June 28, 2016
Rated 4.0 out of 5.0 by It is definitly RED it is like puddy, a little bit of work to put on. Too soon to see if it works, June 7, 2016
Rated 4.0 out of 5.0 by Redgard It was easy to apply. You knew exactly when it was dry and could install tile. May 20, 2016
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