Model # 18096

Internet #204167828

Store SKU #284733

DAP 10.1 oz. Watertight Concrete Filler and Sealant


10.1 oz. Watertight Concrete Filler and Sealant

$447 /each
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Frequently Bought Together

Product Overview

DAP Concrete and Mortar Filler and Sealant is a high performance sealant formulated to repair cracks and holes in concrete, mortar and masonry. It contains silicone additives for improved adhesion and water resistance. It forms a durable, flexible and watertight seal.

California residents: see   Proposition 65 information

Info & Guides

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Individual size (oz.)


Caulk Features
Moisture Resistant,Mold and Mildew Resistant,Paintable
Caulk Form
Standard Tube
Caulk Type
Coverage (linear ft.)
Cure time (hours)
Dry color family
Dry to touch (min.)
Longevity (years)
Paint Product Type
Professional Paint Supplies & Values
Pro Supplies

Warranty / Certifications

Certifications and Listings
No Certifications or Listings
Manufacturer Warranty
If not satisfied with product performance when used as directed, return used container and sales receipt to DAP Products Inc., Technical Customer Service, 2400 Boston St., Suite 200, Baltimore, MD 21224, for product replacement or sales price refund. DAP will not be liable for incidental or consequential damages.

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Customer Questions & Answers

How long until you can paint? Doesn't mention on the tube. Thanks

Asked by: rick
When applied at 70 F. and 50% Relative Humidity, the product can typically be painted with either latex or oil based paint after 2 hours. Cooler and/or more humid conditions will require additional dry time.
Answered by: DAPProductExpert
Date published: 2017-04-30

Is this durable in chlorine

Asked by: lee
This should not be used with concentrated chemical solutions.
Answered by: CommunityAnswer
Date published: 2016-05-03

Will VCT vinyl glue stick to this product?

Im laying vinyl plank flooring down and have cracks in my subfloor and was wondering if my glue would stick to the DAP?
Asked by: joe
Yes, it will stick to this product.
Answered by: CommunityAnswer
Date published: 2015-09-20

Can this be used to fill the space between patio pavers and electric conduit? The installer used...

Can this be used to fill the space between patio pavers and electric conduit? The installer used polymeric sand however the conduit is starting to rust. I want to remove the polymeric sand, sand and paint the conduit, and use a water resistant caulk to protect the conduit.
Asked by: AZguy
The DAP Concrete Waterproof Filler & Sealant can be used as described, however, because moisture will likely have the ability to pass through and under the patio pavers, the metal conduit should be well coated to prevent further water exposure and oxidation.
Answered by: DAPProductExpert
Date published: 2017-05-08
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Customer Reviews

10.1 oz. Watertight Concrete Filler and Sealant is rated 3.0 out of 5 by 7.
Rated 4 out of 5 by from Plan to buy twice as much This concrete caulk seems to adhere well. There are two issues to be aware of when using. 1. Unlike ANY other caulk I've used, this caulk will continue to run out of the tube no matter what you do to try and stop it. I went so far as to remove the tube from the gun to eliminate any pressure; it still oozed out while smoothing the previous bead. Have plenty of paper towels or rags handy. 2. The label states it will cover 56 linear feet of a 3/16" bead. If you are filling 1/8" expansion-joint saw cuts, figure about 24' due to the material squeezing down into the joint. You are actually creating a 1/8" x 1/4" (or more) bead rather than a uniform, circular bead. Time will tell how long it lasts. My concrete driveway sealing project has begun 1 year after it was poured (September, 2015). Caulk the joints, then seal with a penetrating siloxane based sealer.
Date published: 2016-09-19
Rated 1 out of 5 by from Not very good I live in Orlando, FL and have used this DAP Concrete & Mortar Filler & Sealant several times in the past with disappointing results. First I used it about 8 years ago to fill cracks up to half inch wide on my concrete driveway and on my pool deck. This product started cracking and peeling off the surface on its own in about 2 to 3 years after my application. I pressured washed and reapplied a couple of times after that but performance continued to be the same. I just had to use a pointed spatula to peel the old DAP material off my driveway and then went with Sika Crack Flex Sealant (also sold by Home Depot) that really seems to be more flexible and durable. I hope Sika works better for me this time. Not only the sample in Home Depot looked pretty strong and durable, but I was unable to remove the Sika material off my hands in a few days. Caution: Neither Xylene nor Gojo will remove it off your hands. Also, if anybody wants to use the Sika product, make sure it has not expired. Most in Home Depot are expired. I bought eight and three were all dried inside. Take them back for a refund. Sika website tells you NOT to use expired product at all. Good luck everybody.
Date published: 2014-05-21
Rated 5 out of 5 by from worked fantastic. Used it on cement pool decking joint I bough this product, read the reviews, went and got a different product that didn't work, and though what the heck I will give it a try. I was amazed how well it works. It comes out of the tube easily, I wet my finger and it spread easily, clean up easy. I have no idea why any body would have any problem with this product. 5 stars!
Date published: 2016-09-06
Rated 5 out of 5 by from Worked great just as expected. Sealed 1/4 to 1/2" joints around stucco column and slate tile bac... Worked great just as expected. Sealed 1/4 to 1/2" joints around stucco column and slate tile back deck. Nice bead and spreads easy with wet finger or sponge.
Date published: 2017-02-13
Rated 4 out of 5 by from Sticks to your finger better than anything else Forget using a dry finger to try to smooth this stuff out. It sticks to your finger better than it sticks to concrete or itself. You MUST constantly wet your finger using a cup of water, and then you can smooth it fairly well. If you are filling a crack that is more than 1/4" wide, the tube will empty out more quickly than you would expect.
Date published: 2016-03-21
Rated 1 out of 5 by from Does not last as advertised I applied this sealant as directed over backer rod to seal my concrete driveway seams approximately one year ago. Now, the product has shriveled, cracked, and pulled away and out of the seams. I live in the mid-Atlantic, so the weather conditions are not so severe. However, at the same time last year, I used Dap 3.0 Advanced Self-Leveling Concrete Sealant for wider gaps, and this product has so far held up.
Date published: 2016-06-20
Rated 1 out of 5 by from Hard to apply It works great but the application process is terrible. It sticks to your finger or trowel and peels up when you try to smooth it over.
Date published: 2015-12-21
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