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🛡️ Seal the deal with confidence—your concrete’s new best friend!
DAP Concrete and Mortar Filler & Sealant is a 10.1 oz ready-to-use, silicone-enhanced paste that creates a durable, flexible, and 100% waterproof seal on concrete and masonry surfaces. It cures quickly with a 24-hour return to service, resists harsh substances like gasoline and salt, and is paintable for a clean finish. Ideal for both interior and exterior repairs, it offers low odor and easy water cleanup, making it the go-to solution for professional-grade concrete crack repair.














| ASIN | B000H5S09G |
| Best Sellers Rank | #927 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Hardware Sealers |
| Brand | DAP |
| Brand Name | DAP |
| Color | Gray |
| Compatible Material | Concrete |
| Customer Reviews | 4.5 out of 5 stars 2,301 Reviews |
| Global Trade Identification Number | 00070798180215 |
| Included Components | 1 Tube |
| Item Dimensions | 2 x 2 x 11.25 inches |
| Item Form | Paste |
| Item Type Name | concrete sealant |
| Item Weight | 1.1 Pounds |
| Item dimensions L x W x H | 2 x 2 x 11.25 inches |
| Manufacturer | DAP PRODUCTS INC. |
| Material | Silicone |
| Material Type | Silicone |
| Model | 7079818096 |
| Number of Items | 1 |
| Part Number | 7079818096 |
| Style | Tube |
| Style Name | Tube |
| Surface Recommendation | Exterior/Interior |
| UPC | 070798180215 |
| Unit Count | 299 Milliliters |
| Warranty Description | 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. |
| Water Resistance Level | Waterproof |
A**R
Fills, seals, lasts, blends in
Geat gap filler; Color blends in, sealed a gap between the house and the concrete patio pad; sealed out water seepage there. Also has remained stable 2 years out when used to fill seperation in brick/mortar front walk.
W**R
I think it’s great but I cheat a little for the color and texture
First off I usually order Dap everything when it comes to fillers or chalks the prices are good and they have a good product. I have using this concrete and mortar filler for years repairing my homes - I have included a few before and after pictures- keep in mind I am reasonably handy but not a pro. However I cheat a little and I am not sure it’s by the book but it works- Why —- the color of the filler is not always match the mortar or concrete- so after I fill the cracks I literally sprinkle a little tiny bit of dry patching cement on top of the sealant - than blow any excesss away - It may slow the curing time of the sealant a bit but I have doing it to for years and it seems to work. Oh and if you try this around (dusting cement) brick cover the brick with tape it has a tendency to get into the pores.
C**Z
Crack filler Easy to apply
Histórico brand, works as intended to fill concrete cracks
C**G
Reliable and Effective Concrete Sealant for Watertight Protection
This 10.1-ounce tube provides a reliable solution for filling gaps, cracks, and joints, ensuring a watertight seal that stands up to the elements. In real-world usage, this sealant performs exceptionally well. The consistency is thick and easy to apply with a standard caulk gun, and it adheres securely to concrete surfaces. It cures to a durable, flexible finish that resists cracking and peeling, even with exposure to moisture and fluctuating temperatures. I used this sealant to repair several cracks in my concrete driveway and basement foundation. It filled the gaps effectively and provided a smooth, professional-looking finish. The gray color blends nicely with most concrete surfaces, making the repairs less noticeable and maintaining the overall aesthetic of the area. One of the standout features is its excellent adhesion and watertight properties. After application, it effectively prevented water from seeping through, which is crucial for maintaining the integrity of concrete structures. It also resists mold and mildew, ensuring long-term performance and durability. Overall, the Concrete Watertight Filler and Sealant is a top-quality product that delivers on its promises. It’s easy to apply, highly effective, and provides excellent protection against water infiltration. Highly recommended for any concrete repair or sealing project!
A**R
Works as advertised.
The stuff works but you want to be sure you clean the surfaces your sealing to get the most out of it.
A**H
Dap concrete and mortar filler
Very easy to use. Goes on smooth. It does take quite awhile to dry
C**L
Good caulk at a fair price.
Dap has a good reputation and you’ll find it in most reputable hardware stores. I’ve used it many times and it’s been consistently good.
T**S
Decent Concrete Crack Filler
I've been using this to fill cracks in our sidewalk and driveway. Since the ground continues to shift a bit I have to re-apply this from time to time to fill the cracks. I guess if the product had more elasticity it would be better than it is, but as it is it's an okay product. When it dries it is a darker color that the regular color of dried concrete, but isn't too far off.
Trustpilot
1 month ago
3 weeks ago