Model # 87001

Internet #203938792

BEHR Premium 1-gal. #BW-24 Austere Gray Concrete and Masonry Waterproofer

BEHR Premium

1-gal. #BW-24 Austere Gray Concrete and Masonry Waterproofer

$27.98 /each

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Product Overview

The BEHR Premium Concrete and Masonry Waterproofer with NanoGuard technology is an interior/exterior waterproofer with a 10 year customer satisfaction guarantee. It is designed for porous masonry surfaces and withstands up to 12 psi of hydrostatic pressure and 98 mph wind-driven rain. This low odor, mildew resistant waterproofer provides a smooth, decorate finish that is sprayable for easy application. Ideal for use on above and below grade walls, retaining walls, garage walls, masonry walls, cinder blocks, stucco, brick, foundations and landscape walls.

California residents: see   Proposition 65 information

  • Ideal for interior and exterior vertical concrete and masonry walls
  • 75 - 125 sq. ft. of coverage per gallon
  • Durable flat finish
  • 100% Styrene acrylic
  • Mildew resistant finish
  • Withstands 12 psi of hydrostatic pressure and 98 mph wind-driven rain
  • Easy clean-up with soap and water
  • Sprayable, saves application time
  • 10 year customer satisfaction guarantee
  • Online Price includes Paint Care fee in the following states: CA, CO, CT, MN, OR, RI, VT

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Customer Questions & Answers

57 Questions68 Answers

Customer Questions & Answers

1-gal. #BW-24 Austere Gray Concrete and Masonry Waterproofer
1-gal. #BW-24 Austere Gray Concrete and Masonry Waterproofer

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1 answer

Used over paint?

This question is from 1-gal. #BW-43 Desert Bluff Concrete and Masonry Waterproofer
Asked by
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October 23, 2016
Inherited a basement floor that is painted, can this product be used over the paint?
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October 24, 2016
Answer: 
Hello Bill,
Thanks for your question. No, this paint is only designed for use on vertical surfaces like walls. If your floor is free of hydrostatic pressure, then you could apply a product like our 1-Part Epoxy over the existing paint: http://www.homedepot.com/p/BEHR-Premium-1-Gal-PFC-28-Desert-Sandstone-1-Part-Epoxy-Concrete-and-Garage-Floor-Paint-90001/203936932?keyword=behr+1-part+epoxy+desert+bluff. Read More
Hello Bill,
Thanks for your question. No, this paint is only designed for use on vertical surfaces like walls. If your floor is free of hydrostatic pressure, then you could apply a product like our 1-Part Epoxy over the existing paint: http://www.homedepot.com/p/BEHR-Premium-1-Gal-PFC-28-Desert-Sandstone-1-Part-Epoxy-Concrete-and-Garage-Floor-Paint-90001/203936932?keyword=behr+1-part+epoxy+desert+bluff. Please be sure to follow all label instructions for best results. Well wishes!
-Joshua Read Less
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1 answer

how do I remove the sealer from concrete?

This question is from 1-gal. #BW-12 Dried Husk Brick Concrete and Masonry Waterproofer
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October 17, 2016
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October 18, 2016
Answer: 
Hi Timmy,
Our Concrete & Masonry Waterproofer can be removed by sanding it off the surface or using a chemical paint stripper. Best of luck! - Sara
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1 answer

Can I us this outside on my driveway and concrete RV pad

This question is from 1-gal. #BW-44 Moonstone Gray Concrete and Masonry Waterproofer
Asked by
Postal zip 81401 Montrose, Colorado
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August 19, 2016
I keep see Concrete sealer on the label but when I pull up the specs it says for vertical walls only or do not use on concrete exterior steps ??? If this product is not recommended what Behr slate color product can I use. Or do you recommend a different brand.
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August 22, 2016
Answer: 
Hello Izzak,
Thanks for your question. This product is only designed to be used on vertical concrete surfaces. Instead, I can recommend our 1-Part Epoxy Floor paint. This product can be had in Slate Gray: http://www.homedepot.com/p/BEHR-Premium-1-gal-902-Slate-Gray-1-Part-Epoxy-Concrete-and-Garage-Floor-Paint-90201/100113293. Please follow all label instructions for best results. Well wishes for your Read More
Hello Izzak,
Thanks for your question. This product is only designed to be used on vertical concrete surfaces. Instead, I can recommend our 1-Part Epoxy Floor paint. This product can be had in Slate Gray: http://www.homedepot.com/p/BEHR-Premium-1-gal-902-Slate-Gray-1-Part-Epoxy-Concrete-and-Garage-Floor-Paint-90201/100113293. Please follow all label instructions for best results. Well wishes for your project!
-Joshua Read Less
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1 answer

Csn this be used on a concrete birdbath

This question is from 1-gal. #870 White Concrete and Masonry Waterproofer
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July 31, 2016
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August 2, 2016
Answer: 
Hello Bobbie,
Thanks for your question. Behr coatings, including this one, are not designed to be submerged under water. Therefore, we do not suggest to use our products for bird baths. You might consider checking with Home Depot for a marine-based product or a coating that will resist constant water (for example, a pool paint). Best wishes for your project!
-Joshua
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Customer Reviews

1-gal. #BW-24 Austere Gray Concrete and Masonry Waterproofer is rated 4.7 out of 5 by 33.
Rated 5 out of 5 by from Great Color We just bought out house and I wanted to get rid of all the marks that the previous owner left on my shed floor. Luckily he poured a concrete floor so I could just paint over all the oil and other mics stains that he spilled in the 20 years that he lived there. He was a contractor so you can just imagine all the spills on that floor. I choose this paint because of the color. I wanted something light that would help naturally light up the room. Yet something easy to clean up. So far so good. Dropped nails, screws, drill bits or another small objects are now easy to find. MY only negative is that sometimes when I put my push lawnmower back in the shed it leaves tire marks on the paint. I didn't seal it or anything so I expected it would do this, but life's to short to worry about small tire marks on your shed floor.
Date published: 2016-08-11
Rated 5 out of 5 by from Great product, covers and seals very well Tried another brand similar product and this is far superior
Date published: 2016-08-09
Rated 5 out of 5 by from Easy This product was used to cover a cement floor. I used a roller brush, tray, and an extension handle for the roller. The 1 gallon easily covered a room about 14' X 10'. Did not have too much of a smell either!
Date published: 2014-02-11
Rated 5 out of 5 by from Excellent substitute for pool paint! I recommend this product to anyone who is wanting to waterproof a concrete surface. I tried using an $80 gallon of pool paint and after applying two coats of the paint, letting the paint cure for several days, and filling the pond with water, the paint instantly began to chip and peel. Then I got the bright idea to use this this Behr paint(which is available in many colors) and it has held up beautifully. Also, it's only a fraction of the price per gallon compared to pool paint! Thanks to Home Depot and Behr!
Date published: 2014-06-10
Rated 5 out of 5 by from Great paint I purchased this to seal up foundation walls. They were not leaking water, I didn't want moisture to get behind the parge though. This caused a lot of spalling flaking in the past. The 870 went on real nice & I was surprised how well it covered with one coat, I use 2 as recommended. This really seals up the poured walls & I'm pleased with it. I use hydraulic cement & mortor so the wait time to paint is negligable. On outside foundation walls etc this really looks nice & quite a step up from acrylic latex in my opinion.
Date published: 2011-08-03
Rated 5 out of 5 by from goes on like paint This masonry sealer "goes on like paint" because it is. coverage was good, and with two coats both drywall and cement looked fully covered. Test of time has yet to be determined, but initial water protection has been excellent.
Date published: 2014-06-06
Rated 5 out of 5 by from This product was recommended by a Behr representive at Home Depot The product was applied with an airless sprayer and did a great job of covering and waterproofing my rear block wall fence. The viscosity is thick but sprayed just fine. I would buy and use the product again.
Date published: 2014-02-25
Rated 5 out of 5 by from THE Best Concrete Paint I used this on my basement floor and concrete stairway and i am super impressed. My basement had numerous layers of paint and some slight chipping/ cracking from seepage. Two coats of this paint made it look brand new and I love how well this covered the area - it was super easy. I would definitely recommend to anyone who needs to paint concrete or brick surfaces. [This review was collected as part of a promotion.]
Date published: 2015-04-23
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