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Siloxa-Tek 8500 Penetrating Water and Salt Repellent Water-based Flat Ready-to-use Concrete sealer ( 1-gallon )

Ratings & Reviews for Ghostshield Siloxa-Tek 8500 Penetrating Water and Salt Repellent Water-based Flat Ready-to-use Concrete sealer ( 1-gallon )

4.9
1195
Review
 4.9 out of 5
1195 Reviews


99% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The product is easy to apply and dries quickly to a clear, natural finish that does not change the concrete's appearance. It effectively repels water, protecting the concrete from damage, and the water beading lasts for years. The sealer is durable and long-lasting, with claims of up to 10 years of protection, though it is more expensive than some alternatives. Overall, the product is highly recommended for its quality and performance.

Customer review summary generated by AI, including incentivized reviews.
1195 Customer Reviews

Ben & Jerry's Burlington VT,

Would Recommend

Product was easy to work with and looked nice when finished

January 2, 2026

From Ghostshield Concrete Sealers

Worthwhile

Would Recommend

applied the 8500 to the top of our new garage foundation block course a week before the cold & snow arrived, we wanted to seal the top as our framers would not be here for a couple more weeks, cleared off the melting snow and the water was beaded up and easy to use the blower on, will be purchasing more 8500 for a couple of other projects, thanks GHOSTSHIELD

November 14, 2025

From Ghostshield Concrete Sealers

Too early to tell

8500 has only been down a couple of weeks and hasn't rained much, so jury is still out.

October 28, 2025

From Ghostshield Concrete Sealers

Ghostshield review

Would Recommend

I seal the patio every four years . Siloxa 8500 does the job. It is the only sealer I have tried so nothingto compare to. I would get the 8505 but it is a bit expensive.

October 20, 2025

From Ghostshield Concrete Sealers

Easy to use

Would Recommend

Used the 8500 sealer on my driveway and porches and couldn’t be any happier with the results.

September 26, 2025

From Ghostshield Concrete Sealers

Driveway Concrete Sealer

Would Recommend

Definitely worth buying the concentrate versus pre mixed. Mixing in 5 gallon bucket is no big deal. Doesn't go as far as one would think. Absorbs quickly so make sure you have more than you think you need. Instructions state 1,200SF which is true however that's assuming one coat. Two coats are recommended. Plus if for whatever reason your concrete is extra absorbent, you'll need more.

September 21, 2025

From Ghostshield Concrete Sealers

Pleased with product

Would Recommend

I used this to seal a concrete birdbath about a month ago. So far, I am pleased with the product.

August 10, 2025

From Ghostshield Concrete Sealers

Amazingly waterproof!

Would Recommend

Powerwashed my driveway, sidewalk and brick front porch. Knew I needed to seal it. Read recommendations for those product. It’s easy to apply with a sprayer . It will take way more product than you expect. Love watching the water bead up on the surface after a rain or sprinkler system runs! Can’t wait to see how long it lasts. Does not make it Shiney or slick . Would recommend!

August 5, 2025

From Ghostshield Concrete Sealers

Watch the water stay in beads

Would Recommend

Was looking for the right product to use after pressure washing long driveway, sidewalk and brick patio. I have to say I was pretty blown away after the first rain to see the water sitting on top of the brick paito in large beads. Truly is waterproof. Anxious to see what it look like in a year. Thank you!

July 22, 2025

From Ghostshield Concrete Sealers

Great product

Would Recommend

Decided to tackle a 2000sq ft patio that had not been sealed in many years.Product is easy to work with. Figuring out the wet-on-wet application time was easy then worked in small areas. Most challenging part was not the product but working around the rain and heat predictions.Highly recommend.

July 17, 2025

From Ghostshield Concrete Sealers

100% water repellent

Would Recommend

I powerwashed our driveway and the brick front patio. Read a lot about this product before purchase. Applied it in hopes of not having such a moisture issue on the surface of especially shaded areas. Love seeing the beads of water sitting on top of the surface. So far so good!

July 9, 2025

From Ghostshield Concrete Sealers

Hopeful this works for the cost

Would Recommend

Very expensive to use - hope it works as advertised as won’t know till down the road.

May 25, 2025

From Ghostshield Concrete Sealers

Florida Residential application

Would Recommend

Just roller applied the Siloxa 8500 coating to my concrete driveway and sidewalk in attempt to avoid annual power washing to remove black staining.Estimated coverage was right on- Lou was very helpful on application tips. While there was a slight darkening of our concrete ( see pic of our treated sidewalk to neighbors, (who power washed at same time we did prior to applying the 8500), it’s not an issue for us if we can avoid the annual cleaning.Now we wait to see how well it protects!! 🤞

April 11, 2025

From Ghostshield Concrete Sealers

Great product

Would Recommend

Great product and so much better than other brands. The pavers were worn but the sealer did a great job.

March 14, 2025

From Ghostshield Concrete Sealers

worked great

Would Recommend

product worked great on an old birdbath that wouldn't hold water at all. after a few coats its like new.

January 6, 2025

From Ghostshield Concrete Sealers

Recoat

Would Recommend

Sealed the driveway three years ago and the product was on sale. I'll seal it again this summer. Easy to apply and works great.

December 16, 2024

From Ghostshield Concrete Sealers

My Application Doesn't Require a Gallon!

Would Recommend

Thanks to the sample size of Siloxa-Tek 8500 first discovered two years ago, my 20+ year old concrete bird bath lives for yet another western NC summer and freezing winter - yes, it stays outside year-round. Thanks Ghostshield, appreciate you making a sample size of your product available.

November 25, 2024

From Ghostshield Concrete Sealers