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🛡️ Seal smart, stay flawless — the ultimate crack defense for your concrete kingdom!
Sikaflex Crack Flex Sealant is a premium, single-component polyurethane sealant designed for horizontal cracks up to 1 inch wide. Featuring self-leveling, waterproof, and elastic properties, it ensures durable, flexible protection that blends seamlessly with concrete surfaces. Ideal for a variety of cementitious slabs, it resists weathering and aging while allowing for paint application, making it the go-to solution for professional-grade crack sealing.















| ASIN | B00NO70BKA |
| Best Sellers Rank | #68,982 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #161 in Silicone Sealers |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | Gray |
| Compatible Material | Concrete |
| Customer Reviews | 4.6 out of 5 stars 1,871 Reviews |
| Global Trade Identification Number | 00033886064514 |
| Included Components | Sealant |
| Item Dimensions | 29.2 x 5.1 x 29.2 centimeters |
| Item Form | Liquid |
| Item Type Name | Sealant |
| Item Weight | 286 g |
| Item dimensions L x W x H | 29.2 x 5.1 x 29.2 centimeters |
| Item weight | 286 g |
| Manufacturer | Sika Corporation |
| Material | Polyurethane |
| Material Type | Polyurethane |
| Model | 427706 |
| Number of Items | 1 |
| Part Number | 427706 |
| Style | Crack Flex Sealant |
| Style Name | Crack Flex Sealant |
| Surface Recommendation | Door, Window |
| UPC | 033886093903 033886064514 |
| Unit Count | 295.74 Milliliters |
| Water Resistance Level | Waterproof |
| Water resistance level | Waterproof |
A**Y
Expensive for the application
Good product although a little expensive for the application
D**B
it's the best!
Used on garage floor crack that extended from one side to the other. I used my mini grinder with a cheap diamond blade to chase the crack, then vacuumed the dust. The SikafIex sealant went on very easily after warming the tube on an old heating blanket. It's kind of gooey, but levels itself into the crack after a few minutes. I had watched a YouTube video on using this product which suggests to sprinkle some Quickrete on the repair to blend it in with the older concrete on the floor, and I found this works great, only don't sprinkle it with water like the video suggests. Just leave it alone for awhile and then whisk it off and vacuum after the Sikaflex has set up a bit. Was hesitant to start this job, but it really was pretty simple to do with the Sikaflex Concrete Crack Sealant. Make sure you wear gloves and old clothing. UPDATE - 1-1/2 year later: The Sikaflex has performed perfectly, however I would skip the Quickrete if I were to do it again. It turned kind of brownish and did not look like concrete. Next time I will just use the straight Sikaflex, since it does look like light colored concrete.
J**N
muy bueno
solo que no hay manera de ver la caducidad del producto, lo mandan muy limitado
C**.
This stuff works!
I bought a house with a cement patio around a pool. There were a few sizable cracks in the cement. The quotes to repair or replace cement ran from 500 to 10k. Got a quote to resurface with rubberized garage floor coating and was quoted 30k. The pool man patched the cracks and a year later the repairs were cracking again. I found this and thought id give it a try. It was easy to apply with a caulk gun, filled in the cracks and dried quickly. Looks much better than the cement patch and seems to be holding up very well.
K**R
Llegó seco
Llegó prácticamente seco
Trustpilot
1 week ago
2 days ago