Drylok Extreme Latex Masonry Waterproofer (28613)

Item no: 1320456 | 079941286132
330  Estimated 

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  • Finish: Low Sheen
  • Product Type: Waterproofer
  • Color: White
  • Container Size: 1 gal.
  • VOC Level: Low VOC
  • Coverage Area: 75-125 sq. ft.
  • Mildew Resistant: Yes
  • Coating Material: Latex
  • UV Resistant: No
  • Indoor and Outdoor: Interior/Exterior

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Drylok Extreme Latex Masonry Waterproofer (28613)

(based on 1 review)

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Reviewed by 1 customer

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(47 of 53 customers found this review helpful)


Very Pleased with DRYLOK Extreme

By Bill at barthwi[@] -my junk email

from Salem, OR

About Me Casual Do-It-Yourselfer


  • 15-year warranty
  • Adheres well to wall
  • Mildew resistant
  • Thick strong coating


  • Hard to cleanup brush
  • Hard to cleanup roller

Best Uses

  • Exterior basement wall
  • Interior Basement wall

Comments about Drylok Extreme Latex Masonry Waterproofer (28613):

I used this Extreme latex-based waterproofer on my interior basement walls to complete the last half of basement. I love the way it coats--thick, so follow recommended coverage. If you have a rough surface, you will need to press hard to work it into the concrete. I wanted the job perfect, so I applied the 2 coats and then searched for those pin holes to paint over them (you will have them, too, so find them and paint over them!). In year 2000, I did first half of basement with the oil-based waterproofer (no longer avail). The Extreme is an improved product (mildew-resistant!! and better warranty and latex-based). You can feel the ceramic particles (but wear gloves). Clean up is difficult: hard to wash it off of hands, gloves, brush--consider a roller a one-time use; everything will dry crisp even if you TRY to wash it. Before applying the Extreme, I used the DRYLOK Etch (don't skip this product). Then I used the Sikaflex with a caulking gun to fill cracks and holes (small to medium; up to 1 inch or little larger--long story). Sikaflex is also a great product, elastic and waterproof. It is easy to paint over (wait 72 hours before painting it). You will look at your finished walls and get that satisfied feeling: they look great, will perform well, and will keep your basement dry. Get the Extreme product and don't skimp to save a few bucks on a lesser product (not even the regular DRYLOK latex-based). The Extreme is the best.

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