DECO 20 Clear Penetrating Concrete Sealer 5 gal. (Shipping Incl.) Dampproofing, Waterproofing, Foundation Coating, Clear Sealer, Concrete Sealer, Crawl Space, Frost Line, Damp Basements, Moisture Barrier, Vapor Barrier, Efflorescence

DECO 20 Clear Penetrating Concrete Sealer 5 gal. (Shipping Incl.) (D205)

4.83 stars, based on 6 reviews
DECO 20 Clear Penetrating Sealer Our signature product created in 1991. Truly a one of a kind product designed for many applications. Deco 20 is ICC approved for interior and exterior foundation walls. An ICC approved product designed to protect...
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Reviews 1-5 of 6
Dayton, OH

Concrete Driveway

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We sprayed Deco 20 on our driveway about 4 years ago and noticed this summer the concrete looked wet or darker. I was hoping this product would have lasted 6 or 7 years but I was informed by Mark their salesman that driveways take a beating with foot and car traffic. We ordered 2 more pails and after powerwashing and putting on Deco it's beading more and isn't showing wet look after it rains. Yes I am recommending this product.

NJ

Deco 20 Clear

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Hello,

I am having dampness in my basement and garage. In the past I have used DryLock and Thoroseal and had TERRIBLE results with both. Within a few weeks it would peel and moisture would seep through. I wish I would have know about Deco 20 Sealer months ago !!



Thanks

Anthony

Lancaster, PA

Deco 20 for Damp Basement

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Good morning,



I would like some information on sealers for my basement. The basement is all underground with 1 window well and the walls are concrete block. After a heavy rain, the blocks look damp and it always seems to have a “basement” smell. I’m not planning on totally finishing the basement…drywall, carpet, etc….just want it to be a nicer area for the grandkids to play without hearing “maw, it smells down here”!



Thank you,

Sandy Merklinger



Hi Mark,



I was very satisfied with the product. It also does not have that musty smell any more.



I had applied paint to the block after the Deco.



Thank you,

Sandy

New Castle, PA

Exceeded Expectations

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Austin & Mark,



Yes you met and exceeded my expectations. I received it in one day and I appreciate your fast service.



I just had the basement walls replaced and waterproofed. I wanted the same sealer that worked so well in stopping the leaks on the original walls. My concern was not so much for water intrusion since the waterproofing on the new walls is elastomeric versus the tar that the builder used in 2015. I also wanted a sealer that I can paint over for additional protection.



The Deco 20 sealer applied quickly using the sprayer type that Mark recommended. I only applied one coat and used the entire can. I avoided the plastic pipes as instructed. The cleanup of the sprayer was easy. I had no problem with odor as advertised.



I would rate the Deco 20 sealer a 5 and I would rate the customer service a 5.



I did recommend your product to the engineers and the insurance adjustors that visited and also to the masonry contractor that replaced the walls. I was so impressed with the Deco 20 performance that I keep a photo of the can that was used by the original sealing contractor when he visited to stop the leaks caused by his tar waterproofing.



Thanks for following up.



Harry

Moody, AL

New Construction Walls

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I bought and applied the deco 20 to my new construction walls. I used (1) 5 gallon bucket and sprayed walls, the difference between the sprayed walls and retaining wall which is not sprayed is just like the video spraying the wall with water. The rain water beeds up and runs off. Very impressed with this product and will use it again. Zach Bryant

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Reviews 1-5 of 6