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🛡️ Seal the deal on durability—because your outdoor spaces deserve the best!
This commercial-grade, water-based concrete sealer offers up to 10 years of waterproof protection for driveways, patios, brick, stone, and other outdoor hard surfaces. Its low-odor, non-toxic formula ensures safe use around pets and plants, while easy spray or roller application and soap-and-water cleanup make maintenance simple. Made in the USA with premium silicone materials, it prevents cracks, stains, and surface breakdown, delivering professional-grade durability and a natural, clear finish.






| ASIN | B09QPVRVXQ |
| Best Sellers Rank | #78,251 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #251 in Hardware Sealers |
| Brand | Black Diamond Stoneworks |
| Color | clear |
| Date First Available | January 19, 2022 |
| EU Spare Part Availability Duration | 5 Years |
| Item Form | Spray |
| Item Weight | 8.86 pounds |
| Item dimensions L x W x H | 7 x 4.5 x 11 inches |
| Manufacturer | Black Diamond Stoneworks |
| Material | Silicone |
| Number of Items | 1 |
| Product Dimensions | 7 x 4.5 x 11 inches |
| Style | 1-Gallon |
| Surface Recommendation | Concrete, Cement, Brick, Stone, Masonry |
| UPC | 679773001707 |
| Unit Count | 128.0 Fluid Ounces |
| Water Resistance Level | Waterproof |
S**G
Concrete water sealant
Haven’t seemed it rained on yet but easy to apply. Hopefully it will keep water from soaking in.
B**R
Preserving the cement on our outdoor ceramic planter
I hope this works, and it should, but it was recommended to us when we purchased this pot to get cement sealer to protect/prolong the cement. i applied a couple coats today with a paint brush. It went on easy. Up here in Reno NV @ 5200' where it's cold and snowy i feel this will be a proactive way to prolong my purchase of this expensive pot.
K**N
Cost and ease of use
It is very easy to use and priced affordable
S**S
Happy with outcome
Easy to apply, easy clean up. I have seen it repel water!
C**T
Works Great
Works great sealed bird bath no problems
M**Z
Very pleased
I used the product on my front porch steps and my large back patio. Both are colored stamped concrete. Easy to apply. Thorough coverage. Surprisingly pleasant smell with no noxious fumes. Excellent water repellent without being slippery. I'll be curious to see how it holds up to harsh Midwestern weather extremes. Very happy so far. The price was reasonable
L**N
Won't know yet
I brushed it onto a sculpture made of plaster of paris that's outdoors. I hope it works! It was more drippy than I thought it would be. I plan to put another coat on .
J**S
Good sealant and is sold in a reasonable quantity.
Used to seal a new concrete bird bath and it did the job.
S**I
I bought the smaller jug of sealer as I do concrete craft projects, previously i paid about $110 for a pail of concrete sealer at my local hardware store and sadly over 6 months of Canadian winter in the garage it congealed and went bad possibly due to weather or a bad seal on the tin can, i like that this comes in a small jug with easy closure and now i can store this in my craft room rather than the garage, product looked exactly like the expensive one i previously purchased and had no problems with application, because i use this for garden stones i can’t really comment on durability for large products but it definatley did the trick for what i needed it for
R**T
I bought a solid concrete bird bath. The manufacturer recommended a Behr product that was almost twice the price. This Amazon concrete sealer worked very will. Follow the directions as written...prepare the concrete with cleaning and drying it. Then I applied with a brush on all surfaces except underneath... the concrete has to breath. Make sure not to create puddles by repetitive brushing it around. Then I kept applying another coat before it completely dried within 2 hours. The concrete did take on a slightly darker appearance as if you applied a clear satin finish. No change in colour though. Allowed to dry for two days before adding the water. After a full season of water in the birdbath I cleaned it for winter and no water marks were evident. Easy to clean as well. Lots of sealer left over in the container to repeat the process in a year or two. Highly recommended.
J**.
I was very pleased with this product went on very smoothly with a paint roller and didn’t take long to dry.
V**R
J'ai essayé plusieurs produits qui ne valaient pas grand chose ils réussissaient rien de prévus ou la moitié de ce qu'ils avaient prévus mais pour une fois j'ai essayé un produit performant en pensant que je m'avais fait fourrer comme d'habitude et bien pour une fois le produit a fait ce qu'il devait faire en rendant hydrofuge le crépi posé sur la fondation. Toute une surprise on applique le produit avec un rouleau à peinture en 15-25 minutes 2 couches pareil comme du lait plus liquide que écrémé . Le lendemain le test et SURPRISE l'eau coule ou perle sur la surface! Le produit est Concrete Sealer fabriqué par Black Diamond 68$/gallon US avec une garantie de 10 ans c'est fort!
Z**K
Meh. Did the job, lasted one year. Am now using 3% vinegar.
Trustpilot
1 month ago
1 month ago