Model # 87501

Internet #203938635

BEHR Premium 1 gal. #BW-47 Alpine Fern Basement and Masonry Waterproofer

BEHR Premium

1 gal. #BW-47 Alpine Fern Basement and Masonry Waterproofer

$27.98 /each

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Product Overview

The BEHR Premium Basement 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
  • 10 year customer satisfaction guarantee
  • Mildew resistant finish
  • Withstands 12 PSI of hydrostatic pressure and 98 mph wind-driven rain
  • 100% Styrene Acrylic
  • Available in custom colors
  • Durable flat finish
  • Coverage area: Rough 75-100 sq. ft., Smooth 100-125 sq. ft., two coats minimum are required
  • Sprayable, saves application time
  • Easy clean-up with soap and water
  • Online Price includes a Paint Care fee in the following states: CA, CO, CT, DC, ME, MN, OR, RI and VT

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Customer Questions & Answers

Can I appy this to stucco exterior wall with hairline crack (water is seeping inside my window). Or would you recommend another product?

Asked by: Nick
Most of the answers are correct! The Behr Basement Waterproofer would be the final finish. Although it can withstand some PSI H20 pressure, only a filler/patch of hydraulic cement will block the water from pushing through. The Behr BWP will stop splashing water, etc once applied over the repair. Step one is always to clean and, or etch the surface. Step two is the patch/repair. Step three is the Behr BWP. Keep in mind that you can have the Behr product tinted to a desired color also for asthetic purposes.
Answered by: Kirk
Date published: 2017-04-15

Is this an Odor Blocker Also?

I was thinking of using Kilz Oil Based Primer and Sealer because it has an Odor Blocking trait. Does this block odor also?
Asked by: BigBern
Although this is not specifically an odor blocker, I did notice an improvement in the basement air after using it. A very subjective of a thing but worth mentioning.
Answered by: Jess
Date published: 2016-07-16

Can you use on a basement floor, getting a little seepage in 2 small spots?

Asked by: Mary
Just got off the phone with the Manufacturer. Behr does not recommend this product for floors. Walls only. -Jon.
Answered by: Jon
Date published: 2017-04-18

Can this product be applied using a sprayer?

Asked by: Anonymous
Yes. I sprayed this product with a Graco 495 with a 517 tip on full bore. No problems, worked like a champ. Spray product on and backroll with a 3/4 nap. Didn't even need a brush. Spraying this product is my preferred choice for this product... pressing a 9" inch roller into concrete all day gets old real quick.
Answered by: hardmf
Date published: 2016-12-30
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Customer Reviews

1 gal. #BW-47 Alpine Fern Basement and Masonry Waterproofer is rated 4.5 out of 5 by 96.
Rated 5 out of 5 by from Used this product to repaint a cinder block basement wall where the old waterproof paint was chip... Used this product to repaint a cinder block basement wall where the old waterproof paint was chipping. I scraped off where the old paint was loose and painted right over with this new waterproofer. The end result was very nice. The product is very thick and a little harder to work with than regular paint, but it adheres very nicely to the cinder block. I used a regular brush to paint the mortar between the bricks (which were deeper) then went over everything with a roller. The end result is a very consistent, bright white finish. The room looks a lot better (and the cats are no longer picking at the flaking old paint!).
Date published: 2017-03-07
Rated 5 out of 5 by from Good Appearance and Adherence Applied to unpainted dark gray cinder block walls to brighten appearance of basement After a month, it looks fine. Did not use primer. Brushed on heavy first coat to fill in pores; this was essential to obtaining good coverage in two coats. Applies smoothly, but allow plenty of time--especially for first coat. Paint is very thick and difficult to stir. I bought a gallon at a time, so HD could put paint in shaker shortly before application. Basement is dry, so cannot judge water blocking ability. No bad smell. Good appearance and adherence. HD Memorial week rebate of ten dollars per gallon was a nice added incentive. I'm a happy customer.
Date published: 2016-06-21
Rated 5 out of 5 by from Tough paint I didn't do a whole lot of surface prep for a clean are block basement wall. Scraped it with a stiff brush and put on 1 thick layer with with a cheap brush with a few touch ups afterward. Some of the block was very slightly damp from condensation and it was no problem to paint over it. I just put a fan on it and it dried in no time. It was easy to apply, went on easily but not too drippy either. After a week or so I tested the adhesion with a wire brush and it took a lot of hard scraping to get through the layer of paint. It cleans up and touches up easily. There was a very slight ammonia smell but I had no problem painting indoors for hours with this paint. Its great if you can ventilate the area but it does not smell strong.
Date published: 2016-07-15
Rated 5 out of 5 by from Works to waterproof basement walls IF you follow directions Surface must be clean and dry - any moisture or efflorescence and it won't adhere, no paint will. You also need to solve leak source - paint won't stop a flood. I used it on a leaky basement laundry room. 1st redirected downspouts and graded soil away from house. Then cleaned interior bsmt walls with UGL etch. Spent 2 weeks with dehumidifier drying out walls to bone dry. Skimmed with Sacrete surface bonding cement and let dry completely (another 2 weeks). Two coats of Behr waterproofer and basement has been dry for a year - had been damp for 20! Take your time, follow instructions, and this is a great deal. BUT you need to solve your leak source whether drainage/grading or water supply/downspout. Wife wanted it tinted slate blue (over my objections) and must admit she was right, color looks good. Also have used this under foam board insulation when finishing basements.
Date published: 2016-06-28
Rated 4 out of 5 by from I used this on basement walls that had been previously... I used this on basement walls that had been previously coated with a stucco-like texture coating. This paint was difficult to mix and had a really bad odor. Fortunately the room had an exhaust fan. It did look good once it dried. One rather thick coat covered the old texture and the recent core filling repairs.
Date published: 2017-03-16
Rated 5 out of 5 by from We have used about 10 gallons of this waterproofer paint... We have used about 10 gallons of this waterproofer paint and it has great coverage and looks great also. It is being used on concrete block walls to dress it up and finish our garage. We had some water come in during hurricane Matthew and we just brushed it off with a broom and it looks great as new
Date published: 2017-03-15
Rated 4 out of 5 by from Great product so far Pros, looks great, very little smell, easy to spread, did the job only had moisture in a very small area in cornersnd no water ever was in my basement. Cons: a gallon doesnt get you far, maybe 8 feet high by 10 feet wide double coated. Took me about 10-12 hours to paint 3 gallons. Glad it's all day, paint looks fantastic. Glad I chose this over drylok. Again I just had moisture on a couple blocks if it eve was moisture. If you are going to use this brush it don't roll it!! It probably faster to brush. The roller can't get deep into the block like the brush can and after day 1 I put the roller away. Saved 0 time. Haven't had a big rain yet but again moisture wasn't an issue for me but 1 tiny corner and block is in great shape still so no water concerns anyways. Love the look and is just nice knowing I have some protection now since my townhouse doesn't have gutters. If I knew how to post pictures I would, can find the upload area on my phone writing this review. Also I have no experience in updating houses, I'm the first one t say just pay someone to do it.
Date published: 2017-02-18
Rated 1 out of 5 by from Spent 150.00 plus on the waterproofing worked until it rained then the walls were soaken wet insi... Spent 150.00 plus on the waterproofing worked until it rained then the walls were soaken wet inside did not rate to its expatiation's. Bought another brand and have not had a leak since
Date published: 2017-03-20
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