Model # 100001

Internet #100144884

Store SKU #488216

Store SO SKU #1000471049

Seal-Krete 1 gal. Original Waterproofing Sealer
0015944100013

Seal-Krete

1 gal. Original Waterproofing Sealer

$15.97 /each
Color/Finish: Clear
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Product Overview

The Seal-Krete 1 gal. Waterproofing Sealer protects vertical concrete and masonry against the damaging effects of moisture penetration. It penetrates deeply into the pores of concrete, binding sand and cement particles to form a tough, flexible, breathable film. Excellent for binding chalky surfaces to improve paint adhesion on all painted and unpainted substrates including concrete, block, stucco, aluminum siding, drywall and plaster.

  • Seals and protects concrete and masonry from damaging effects of water penetration
  • Rejuvenates old brick and plaster to "like-new" condition
  • Binds and waterproofs old mortar and brick
  • Reduces efflorescence
  • Extends paint life when added to latex paint
  • 1 gal. container waterproofs up to 300 sq. ft.
  • Dries to a clear finish
  • Protects against UV rays
  • Protects against mildew
  • Dries to the touch within an hour
  • Number of coats recommended is 2
  • Time before recoating is about 2 hours
  • May be tinted with universal colorants
  • Click here to learn more about waterproofing
  • Online Price includes Paint Care fee in the following states: CA, CO, CT, MN, OR, RI, VT

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Customer Questions & Answers

67 Questions80 Answers

Customer Questions & Answers

1 gal. Original Waterproofing Sealer
1 gal. Original Waterproofing Sealer

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Is this useful on interior above grade garage block walls?

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nashville, tn
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September 25, 2016
I want a sealer for interior of my garage cinder block walls. Will this protect against any possible moisture seepage or would something else be recommended?
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will this work for clay brick and flue pipe?

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September 5, 2016
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is this safe to use indoor?

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NY
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September 2, 2016
I want to use this on our old brick wall in the bedroom, is it safe to use indoor?
Also what kind of brush is recommended to apply on brick walls.
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September 2, 2016
Answer: 
Yes, this product is safe for indoor use.
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Can this be used to seal where a brick has been stenciled on with permanent marker to seal it from washing or fading off

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August 31, 2016
Outside use
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Customer Reviews

Rated 4.3 out of 5 by 49 reviewers.
Rated 5.0 out of 5.0 by Saved my brick Over the course of the last few months, we've had very heavy rains which is very unusual this time of year for my region. The hard rain was hitting the 60 year old brick facade of my fireplace and bleeding through to our newly renovated living room. Wanting to keep the beautiful look of the brick, I searched high and low for a product that would keep the bricks natural appearance yet lock out any moisture. This product didn't disappoint! At first I was very apprehensive because of the consistency, it goes on a watery white (almost appears like skim milk) but once dry, forms a type of waterproof seal. Think of it like rain-x for masonry . It does leave a slight (very slight) shine to the brick-which was a concern of mine- however it actually restored the natural look and appears amazing. 2 coats is essential! Very highly recommend this product and will be purchasing more for other projects around our home. September 25, 2016
Rated 5.0 out of 5.0 by Seal Crete great product I'm a painting contractor. Great bonding pre coat.Use on raw stucco before paint.Or chalky sufaces. August 30, 2016
Rated 1.0 out of 5.0 by Horrible! I used on my driveway and gave ample time to dry. When husband got home that day and everyday since then it has absorbed the tire marks. Now i need a concrete stripper to undo the damage because the tread marks will not come off. June 23, 2015
Rated 5.0 out of 5.0 by Great Sealer This product is a concrete and masonry sealer. However, it works well on any cementitious porous surface. I use it to seal my tile grout and it outperforms all other tile sealers. This product is best applied with a foam applicator which allows you to carefully seal grout in no time. I quit buying tile sealer years ago when I got tired of re-sealing every year. Two coats of this sealer will last for years. I sealed my shower floor 10 years ago and it still looks brand new, no mold, no mildew. I would definitely recommend this product for any cementitious surface. March 6, 2016
Rated 4.0 out of 5.0 by waterproofing review cant really say for sure yet. Just put it on basement walls. cant review for a while as to how it works. The product was easy to alloy and clean up. So far it has been great. lets see how it seals March 15, 2016
Rated 5.0 out of 5.0 by Great - the one and only for vertical surfaces This stuff is the greatest. Do your prep work, clean your surface, then slather this stuff on - two coats, since its so easy, and just goes on with a garden sprayer; let it dry, and top coat with a quality paint, and your paint job will last forever. December 8, 2015
Rated 5.0 out of 5.0 by Quality through and through. I have been using this product for more than ten years and I will not install any exterior wood door or piece of wood without it. December 8, 2015
Rated 5.0 out of 5.0 by Worked like a charm. This sealer was used on an older indoor fountain with a serious sweat problem. After applying half dozen coats to interior of fountain, problem solved. After each coat was applied waited at least one hour to dry before applying new coat. Went on clear, dried fast. Three weeks later still no sweat. Very satisfied and would highly recommend. Great quality, great price. October 6, 2015
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