Is Drylok a vapor barrier?

Drylok Is an Effective Vapor Barrier
During home construction, it can be applied to either the interior or the exterior of the masonry walls in your basement. Applying Drylok or another vapor barrier to the exterior of the wall is ideal in a warmer climate where humidity is higher outside.
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What can I use for basement vapor barrier?

Polyurethane sheeting is a typical vapor barrier that contractors use to prevent moisture from penetrating the walls of a basement. The material is stapled to the frame of a basement wall before it is finished with plaster or drywall. A vapor barrier is also helpful to keeping a basement insulated and warm.
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Does Drylok grow mold?

The product provides an 'inert coating' which means it does not promote the growth of mold or mildew. Additionally, Drylok Extreme consists of an additive called 'mildewcide' which acts to further prevent the potential for mold or mildew to grow under paint.
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Is Drylok breathable?

DRYLOK® Extreme Masonry Waterproofing

Ready mixed – Low-odor Formula. Withstands 15 pounds of hydrostatic pressure, greater than a wall of water 33 feet high. Breathable film – does not trap moisture in masonry. 15-year Warranty.
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Does Drylok insulate?

Some moisture will make its way to your basement climate, increasing the chance for mold growth in things like common drywall. Drylock is neither an insulator nor waterproofer. It's merely a moisture barrier.
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Finishing a Basement Step 2 Dryloc on the walls/ Vapor Barrier



Should you use vapor barrier on basement walls?

Steve Bliss, of BuildingAdvisor.com, writes: The short answer is: Don't use a vapor barrier in a finished basement. This is asking for trouble, especially with a full bathroom, which generates a lot of humid air. Rigid foam board on the interior, like you have, is the ideal insulation.
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Does Drylock trap moisture?

This product is designed to prevent water from seeping through the foundation and walls in the basement. Drylock is applied to the walls and floor with a brush or roller and many times homeowners will use this as a do-it-yourself fix to wet walls and floors.
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Is there anything better than DRYLOK?

per gallon of coverage, Sani-Tred can waterproof larger surfaces using less material and lowering your costs. Not only does Sani-Tred actually waterproof your basement, it has better coverage for less money in the long run. Drylok appears to be the more economical choice.
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Is DRYLOK good for exterior walls?

Can DRYLOK® be used outdoors? A. Yes, DRYLOK® can be applied to interior and exterior masonry surfaces – above or below grade.
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Can DRYLOK be used exterior?

DRYLOK® may be used over any other cementitious-type waterproofing paint in good, repaintable condition, either inside or outside.
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Should I paint my basement walls with DRYLOK?

Once the basement is completely dry, all the holes are plugged and the windows and doors are caulked, it's time to paint the walls with a waterproof sealer. DRYLOK® Extreme Masonry Waterproofer is the perfect solution to stop water infiltration through basement walls, and it's easy to apply.
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Is DRYLOK mildew resistant?

DRYLOK Pro Off-white Flat Solid Latex Mildew Resistant Waterproofer (1-Gallon)
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Can I put DRYLOK over old paint?

Yes and no. DRYLOK® may be used over any other cementitious-type waterproofing paint in good, repaintable condition, either inside or outside. However, DRYLOK® cannot be used over an oil or latex-based paint on the inside of a building.
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Do I need a vapor barrier on my basement floor?

All for lack of an affordable, easy-to-install basement floor vapor barrier. Climate plays a part: In dry climates, contractors often skip the vapor barrier. But in average to humid climates, and anywhere ground water is abundant, an impermeable vapor barrier is essential.
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What is the difference between a vapor barrier and a moisture barrier?

Moisture barriers function to help in preventing water from entering inside of the wall cavity. On the other hand, vapor barriers basically prevent water vapor from the interior of the house to filter through the wall and condense on the warm side of the insulation.
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Should I put plastic behind drywall in a basement?

It's like sealing a wet blanket inside a plastic bag. Vapour barrier or not, any kind of fiber-based insulation is risky to use in basements. It could work out or it might not. Waterproofing the inside of the foundation wall does reduce the risk, but leaks or vapour infiltration are still a distinct possibility.
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How long will Drylok last?

For Drylok to act as an effective waterproofer, it must penetrate into the pores of a surface. Once Drylok starts to peel, it becomes ineffectual and has to be removed. Drylok is warrantied to last between 7-15 years. After this period, it might start to crack or peel off.
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Will Drylok stop leaks?

DRYLOK® penetrates tiny pores in the masonry to form a watertight coating that stops leaks. DRYLOK® will stop water from penetrating the inside of masonry walls even during the most torrential downpours.
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Does Drylok Harden?

The finish did have a rougher texture which I was going for. I added sand as well to some spots mixed in with paint. It dries hard.
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Which is better DRYLOK or Zinsser?

Here we are at one of the most important differences. The waterproofing ability of Zinsser Watertite and Drylok will affect the purchase decision of many. In this aspect, Zinsser Watertite seems to be the better choice. As per its claim, it can withstand water pressure of 10 to 34 lbs.
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What is the best product to seal basement walls?

When sealing basement floors and foundation walls the best concrete sealers to use are the Lithi-Tek 4500 primer followed by the Siloxa-Tek 8510 waterproofing sealer. If you are going to be installing flooring in the basement, it is best to use a moisture vapor barrier coating like the Vapor-Tek 440.
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What is the difference between DRYLOK original and Drylok extreme?

The main difference is that Drylok Extreme has better water resistance than Drylok Original (15 PSI as opposed to 10 PSI). Drylok Extreme is wind resistant, includes biocide, and has a longer warranty. Additionally, the Extreme has a smooth texture, while Drylok Original offers a sandy texture.
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Do I need to primer before Drylok?

The DRYLOK Difference

Although several types of paint can be used on brick, masonry or cinder blocks, they usually require application of a primer to help the paint adhere. DRYLOK, on the other hand, serves as it own all-in-one paint and primer.
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Should I Drylock my basement floor?

Drylok is a must when finishing your basement. With the threat of water damage, your basement floor will not maintain its good condition. The concrete basement floor is porous, which allows water to stay on the surface. Remember that you can only use Drylok on exposed masonry and concrete surfaces.
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