

🧱 Seal it, forget it, and flaunt flawless concrete every time!
The UGL 30507 Drylok 10.5 Oz Masonry Crack Filler is a siliconized acrylic latex solution designed to waterproof and seal cracks in concrete surfaces. It dries to match concrete color, can be painted over immediately, and offers excellent adhesion even on damp surfaces. Non-flammable and easy to clean with water, it reduces radon gas penetration and cures fully within 12 hours, making it a trusted choice for durable, professional-grade masonry repair.
| ASIN | B07N9BBXRN |
| Best Sellers Rank | #67,689 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #209 in Wall Surface Repair Products |
| Brand | Drylok |
| Brand Name | Drylok |
| Customer Reviews | 4.6 out of 5 stars 573 Reviews |
| Full Cure Time | 12 Hours |
| Item Form | Liquid |
| Item Height | 11.5 inches |
| Item Weight | 1.1 Pounds |
| Liquid Volume | 10.5 Fluid Ounces |
| Manufacturer | Ugl |
| Material Type | Siliconized Acrylic |
| Surface Recommendation | Walls |
| UPC | 079941305079 |
| Unit Count | 21.0 Ounce |
| Water Resistance Level | Waterproof |
D**B
This stuff works great and looks great and lasts great
I love this stuff! It worked so well matches so well and lasts so well. Highly recommended.
D**K
Ease and use of the tube.
Perfect. Filled crack in foundation and leak stopped immediately and has held up fine after 3 more storms. No leakage whatsoever.
M**.
Good stuff
Works good 👍
L**Z
Works well in my caulk gun.
Did the job very well. Had some cracks in my basement walls and used it before I painted.application was easy more than enough supply in one tube to do the job.
S**Y
Cement in a bottle
Amazing and so easy to put in crack
R**B
Great product
Great product, dries fast and gray color matches well to concrete foundation
T**A
Works perfectly easy to use.
Worked perfect on the bottom edge where the floor and walls meet, had micro holes that water was coming though. Put a 1/2 chamfer all the way around and so far it has sealed up everything perfectly.
E**L
DryLoc masonry crack filler tube
If you can use a caulk gun you can easily use this product. My basement wall had a small 1/4 inch crack through it shortly after it was built in 1976. It was patched and whatever they used held up fine until this year when it began leaking again. I cleaned out all the old filler and widened the crack with an angle grinder then applied this Drylok filler. I did not fill the crack to the surface, just into the deeper and narrower part as it is not for wider areas. It rained heavily two days later lasting two days and one night and there was one small spot halfway up the wall that seeped a tiny bit. I marked it and allowed it to dry then scraped it out a bit more and applied more Drylok. It has rained heavily several times since my final repair and it has not leaked at all. I’m going to wait one more month then fill the wider surface area of the crack with Drylok Hydraulic Cement and should have a leak free basement for many more years.
Trustpilot
3 days ago
2 weeks ago