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🛡️ Seal smart, stay strong — fix cracks like a pro!
SIKA Sikaflex Concrete Fix is a paintable polyurethane sealant designed for durable, elastic sealing of cracks and joints in concrete, brick, stucco, and metal. Its ±35% joint movement capacity and waterproof formula ensure long-lasting weatherproof protection. Packaged in a convenient cartridge compatible with most applicator guns, it meets all federal and industry standards for quality and safety.













| ASIN | B000UVHN86 |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | Gray |
| Compatible Material | Brick, Concrete, Metal |
| Customer Reviews | 4.4 out of 5 stars 914 Reviews |
| 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 | 16 ounces |
| Item dimensions L x W x H | 11.5 x 2 x 11.5 inches |
| Manufacturer | SIKA CORPORATION |
| Material | Polyurethane |
| Material Type | Polyurethane |
| Model | 187783 |
| Number of Items | 1 |
| Part Number | 187783 |
| Style | Cartridge |
| Style Name | Cartridge |
| Surface Recommendation | Window |
| UPC | 033886002639 033886093927 |
| Unit Count | 10.1 Fluid Ounces |
| Water Resistance Level | Waterproof |
C**0
Great sealer for stucco
Worked well with stucco and cinder block home.Husband had to close 2 holes on our home.Filled crack with no problems, no mess, easy to use.Great value for money.Would highly recommend..
P**7
Phenomenal sealant!!
Excellent product for concrete repair. You can apply it to wet surfaces or concrete that hasn't cured. This has an elastic bonding property that will allow it to fill and also flex when hot or cold.
D**R
Self leveling
Great for smaller driveway cracks and self leveling
J**H
Easy to use
Very easy to use and helps Ina. Crack that could continue to spread.
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.
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**Y
Seals like a Pro
Excellent product. Even my contractor was impressed with it
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
G**A
Sika sellador
Sellador, facil de usar, excelente calidad y precio
S**O
Professional grade.
Used this sealant to repair a few cracks around my concrete steps and seal some joints on an exterior wall. The application was straightforward, and the material came out of the cartridge smoothly without making a mess. It adhered very well to concrete and metal surfaces without needing any extra prep work. Once cured, it remained flexible while creating a strong, weatherproof seal. After a few days of rain and temperature changes, everything still looks great with no signs of cracking or shrinking. A durable, professional-quality product that saved me both time and effort on my repair project.
F**.
Bien!!!
Tal cual se describe el producto funciona , sella super bien .
A**R
Sealer !!!
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.
S**D
Un peu dur à appliquer
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
1 month ago
1 month ago