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Custom Building Products RedGard 3-1/2 Gal. Waterproofing and Crack Prevention Membrane
0010186771748

Custom Building Products

RedGard 3-1/2 Gal. Waterproofing and Crack Prevention Membrane

  • Ready to use - Roll it on
  • Quick dry formula
  • First step to achieving a lifetime warranty
$139.00 /each

Frequently Bought Together

Product Overview

RedGard 3.5 Gal. Waterproofing and Crack Prevention Membrane is a ready to use waterproofing and crack prevention membrane for tile and stone installations. Just roll it on and let it dry. The membrane dries quickly.

  • For tile and stone installations
  • Apply with a roller, trowel or sprayer (tools not included)
  • Use 1 coat for crack prevention
  • Use 2 coats for waterproofing
  • Dries quickly
  • Includes moisture control
  • Covers 385 sq. ft.

Info & Guides

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Specifications

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Details

Warranty / Certifications

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Customer Questions & Answers

how do you remove redgard from when it splashes or drips on a fibergalss tub?

how do you remove redgard from when it splashes or drips on a fibergalss tub?
Asked by: Jay
I would contact the manufacture and see what they suggest. I haven't run into this problem myself, yet.
Answered by: Stewie1533
Date published: 2017-02-08

Can I use this product on drywall ? Basically on walls ?

Asked by: Jon
Not for a shower and if you need to waterproof any walls other than in the shower, you may have bigger issues.
Answered by: hershpersh
Date published: 2017-01-04

if I were to waterproof the walls and then and cover the back wall behind the bathtub with a semi...

if I were to waterproof the walls and then and cover the back wall behind the bathtub with a semi thick vynil and paint over that with redgard would this work...I would glue the vynil to the walls???
Asked by: Edgar
What are trying to accomplish ? Why the vinyl? What is your finished product to be ? Tile? Vinyl, or Redgard?
Answered by: John
Date published: 2017-01-31

Can I use redguard to seal a shower floor before applying mortor and tile? Will I still need a shower liner?

I plan on laying sheetrock, sealing all of the seams with a rubber sealant, and using 3 coats redguard to waterproof the sheetrock then apply thin set mortor to lay my tiles. Will this work?
Asked by: Arbk
Yes, you can use this to seal the floor before applying tile and mortor. I don't know about on the sheetrock, but on concrete you can scrape it off, so you may need to be careful with the adhesive and trowel. I would still recommend a liner however!
Answered by: spyderman01
Date published: 2016-12-18
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Customer Reviews

RedGard 3-1/2 Gal. Waterproofing and Crack Prevention Membrane is rated 4.7 out of 5 by 52.
Rated 1 out of 5 by from I bought this one and trusted it because of so many positive reviews here. I followed the instruc... I bought this one and trusted it because of so many positive reviews here. I followed the instruction and used it on Hardie cement board. After a few days, I checked on it and I was so surprised to find out that I could peel off some areas just like peeling off an old paint. I contacted their customer service and they recommended to apply a primer coat prior to two full coats. Their recommendation wasn't even on the manual and It was clearly not a user mistake. I had to spend a few hours to peel it off from the shower wall on a small bathroom size. No refund/replacement. I bought Ardex 8+9 waterproofing compound and hoped that it would work based on some suggestions online for Hardie cement board. WOW! It was a huge different compared to RedGard. It sticked really well on Hardie cement board. It even sticked on my t-shirts, pants, and other materials. The smell was not as strong as RedGard. The dark grey color was nice too compared to RedGard bright red color. The most important different was the texture. The dried membrane had a rough texture good for bonding with cement. RedGard had a smoother soft plastic-like texture. I would highly recommended Ardex 8+9 on Hardie cement board. Their customer service was fast and helpful when I called them for some questions.
Date published: 2016-11-22
Rated 4 out of 5 by from I used this to coat a basement floor before installing a laminate floor over it. The product spr... I used this to coat a basement floor before installing a laminate floor over it. The product spreads easily and dries quickly! It is a little pricey, but it forms a nice sealed membrane when complete. I would recommend buying more than you think you will need.
Date published: 2016-11-08
Rated 5 out of 5 by from Awesome product Anywhere you need real water resistance, this is what you need. I've used it on siding, storage bins, etc. under regular paint and it is the real deal to prevent water damage to wood. Expensive but worth it.
Date published: 2017-01-22
Rated 5 out of 5 by from waterproofing and crack isolation membrane The redgaurd did a great job as a floor underlayment. I needed to seal an older concrete floor. There were numerous cracks in the existing concrete allowing water to seep through.
Date published: 2016-12-27
Rated 5 out of 5 by from Wouldn't build a tile shower without it. Easy to apply good coverage only downside is fumes can b... Wouldn't build a tile shower without it. Easy to apply good coverage only downside is fumes can be strong make sure you have some ventilation.
Date published: 2017-03-31
Rated 4 out of 5 by from Red Went on well. Dried fast. But had a strong odor. Need to have a window open to ventilate.
Date published: 2017-03-14
Rated 5 out of 5 by from Works good Went on fairly easy. Getting ready to tile next. I think it will hold up well
Date published: 2017-02-15
Rated 5 out of 5 by from it worked exactly as said like the chance in color to let you know it is dry it worked exactly as said like the chance in color to let you know it is dry
Date published: 2016-12-18
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