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🔧 Seal smart, last long — the concrete fix pros trust!
SIKA Sikaflex Concrete Fix is a paintable polyurethane sealant designed for durable, elastic sealing of cracks and joints in concrete, brick, stucco, and metal. With ±35% joint movement tolerance and waterproof properties, it withstands harsh weather while meeting federal quality standards. Packaged in a convenient cartridge compatible with most applicator guns, it delivers professional-grade adhesion and weatherproofing for lasting repairs.















| ASIN | B000UVHN86 |
| Brand Name | SIKA |
| Color | Gray |
| Compatible Material | Brick, Concrete, Metal |
| Customer Reviews | 4.4 4.4 out of 5 stars (850) |
| Global Trade Identification Number | 00033886002639 |
| Included Components | Crack Filler |
| Item Dimensions | 11.5 x 2 x 11.5 inches |
| Item Form | Paste |
| Item Part Number | 757201 |
| Item Type Name | Crack Filler |
| Item Weight | 1 Pounds |
| Manufacturer | SIKA CORPORATION |
| Material Type | Polyurethane |
| Model | 187783 |
| Number of Items | 1 |
| Part Number | 187783 |
| Style Name | Cartridge |
| Surface Recommendation | Window |
| UPC | 033886002639 033886093927 |
| Unit Count | 10.1 Fluid Ounces |
| Water Resistance Level | Waterproof |
A**N
Great product, withstands weather conditions great !
Durable product, color does match as advertised, thickness is very thick, does seal concrete as advertised great, easy to use load in gun and proceed with project, recommend size now my personal opinion is for a smaller project due to does not last forever will possibly need more then one tube but is very strong, durable to weather conditions and I would recommend
C**E
This is the product to choose!
This product was recommended by our concrete guy as the only one to even both with. Other products do not perform well in application nor do they last like this one. Application was slightly gloppy but in following instructions it worked out well. Tube lasted further than we expected. No color match choices were available so it is too light but our concrete walk is 21 years old we are ok with that. The proof will be in over winter. If I can run my snow shovel over this area without catching & peeling it up I will call it a win. Check back in May!
R**G
SIKA makes good concrete sealants
This and SIKA’s self leveling sealant both work very well to seal cracks in concrete. I found this easier to work with for thinner cracks than the self leveling sealant, since it is easier to control and stop the flow when not in use. The self leveling version works best when the entire caulk tip fits into the crack and the “flow” of the sealant can spread out into the crack and self level without making a mess. My only complaint is that the limestone color is really a light gray. It’s pretty much the same as the self leveling gray color and doesn’t blend perfectly with the limestone color of most concrete. For this, I would give it 4.5 stars. Tip: A little sand sprinkled and rubbed in after application helps it blend better with the concrete texture and color.
D**R
Self leveling
Great for smaller driveway cracks and self leveling
A**G
works.
great stuff. I don't recall a sika product that didn't work as expected
S**E
Worked well on older and highly trafficked cracks
Worked well for dip cracks I had on my garage floor. I used this prior to sealing, so I could keep water and dust/dirt particles out. There were not any foundation issues, so this is an appropriate fix for me. It took a couple applications, but has held well and I see no significant cracks or wear since I applied. Will definitely buy again, if needed!
D**M
Good seal but poor product design
While this sealant itself is pretty good, opening the seal in this was a nightmare !! The seal puncture tool that comes with the caulking gun couldn't reach the seal until I had to chop off a significant portion of the nozzle, which then resulted in a very thick bead
T**N
Easy to Use. And I loved having them delivered to the home.
Super easy to work with. Did a great job in sealing cracks in a basement floor and outdoor sidewalk
G**A
Sellador, facil de usar, excelente calidad y precio
A**R
Fabulous sealer. It stays flexible and should last many years. Trawled after I spread it on and dry to touch after 1 day and fully cures after 7 days but not hard, exactly what I wanted. Amazon price is cheaper than my local hardware store.
A**X
amazing
F**.
Tal cual se describe el producto funciona , sella super bien .
S**D
Excellent mais il étais difficile à sortir du tube j’avais un pistolet de pietre qualité mais il s étale bien avec une spatule sur la fondation qui fait un travail propre
Trustpilot
3 weeks ago
2 months ago