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Old 02-22-2009, 02:41 PM   #31
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What is RedGard?


I am about to tile and I have the densguard for the shower installed. Nothing on the install instructions from Densarmour or my tile book says to waterproof screw holes or seams. I was just going to use fiberglass tape on seams and start tiling. What is RedGard?
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Old 02-22-2009, 04:40 PM   #32
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DensGuard is moisture resistant, not waterproof. Once you create a screw hole, moisture has a path to the back side of the wall board. If you waterproof the seams and holes (corners too), there is no way moisture can get through.
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Old 02-22-2009, 05:35 PM   #33
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Redguard is a waterproofer that you paint the whole shower with before you tile. Its bright red and really thick forms a membrane to seal the shower. They have it in the tile section at home depot.
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Old 02-23-2009, 06:55 PM   #34
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Actually, if I'm correct, it's the same product as DensShield just called that for Lowes.

In any case, if so, it IS waterproof on the face, like stated above, cost too much for Redgard for a one time user for just the screw heads, take a tiny dab of silicone over them if you like and in the corners and seams as well.
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Old 05-30-2009, 01:15 PM   #35
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Using dense guard


I was going to use harder backer with tar paper behind and ten seal all holes and seams with silicone, then redguard all after. I accidentally bought denseguard the blue one and it says not to use a vapor barrier. I have already installed roof paper. Can I leave it up or have to take it down? Is it going to cause a problem or help?

Last edited by boneglove; 05-30-2009 at 01:39 PM.
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Old 05-30-2009, 03:07 PM   #36
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: Is a vapor barrier required behind DensGuard tile backer like it is for cement and fiber-cement board?

A:
Since the blue coating is a moisture barrier, no additional vapor barrier is required. If a vapor barrier is required by code, as is the case in some colder climates, simply slit the vapor barrier with a utility knife in each stud cavity. DensGuard becomes part of the continuous vapor barrier once the tile is set.

http://www.gp.com/BUILD/product.aspx?pid=6388#faqQ_7869 Be safe, G
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Old 06-01-2009, 11:44 AM   #37
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I saw this on their site as well. Why would you slit it? Isn't that like it's not there in the first place? I don't understand why that would be more in code than not slitted. Thanks for reply.
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Old 06-09-2009, 02:13 PM   #38
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Densguard/cement board shower question


My buddy is helping me with a custom tile shower. He has done some tile work in the past, but I'm seeking a 2nd opinion.
We put cement board (with plastic vapor barrier behind) on the lower 1/2 of the shower, Densguard on the upper since it doesn't get as much moisture.

A) what is the best way to fill the seam between these 2 products?
B) will thinset adhere to the Densguard? The blue side looks pretty slick.
C) can I (should I ) cover all with Redgard? Will thinset stick to it?

Thanx in advance!
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Old 09-20-2009, 08:27 PM   #39
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Quote:
Originally Posted by angus242 View Post
DensGuard is moisture resistant, not waterproof. Once you create a screw hole, moisture has a path to the back side of the wall board. If you waterproof the seams and holes (corners too), there is no way moisture can get through.
Angus,

When you use DensGuard and the Kerdi in a shower - Do you wrap the Kerdi a few inches up the wall then put the Densguard on top or do you have the Kerdi overlap the Densguard?

I thought I'd paint the sawn bottom edge of the DensGuard to seal it and leave it 1/4" above the mud pan and caulk the gap - then wrap the Kerdi about 3" up on top of the Densguard and paint the seam with Lowes "WaterTight" (a Laticrete product). When I bought that product I thought it was the same as Laticrete's Hydro-ban but they claim it is different but does the same thing.

Thank you,
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