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🔧 Seal Smart, Last Long – The Ultimate Flex Seal for Pros
SIKA Sikaflex-1a is a premium white polyurethane sealant designed for small joints up to 0.5 inches. It offers superior weather and age resistance with high elasticity to handle ±35% joint movement. Certified to ASTM and NSF standards, it cures quickly—tack-free in 3 hours and fully cured within 5 days—making it ideal for windows, door frames, pool decks, and more, delivering professional-grade durability and flexibility.
| ASIN | B00461KMIY |
| Best Sellers Rank | #7,492 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Polyurethane Adhesives #58 in Urethane Adhesives |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | White |
| Customer Reviews | 4.4 out of 5 stars 700 Reviews |
| Full Cure Time | 5 Days |
| Included Components | Cartridge |
| Item Form | Fl |
| Item Type Name | Adhesive |
| Item Weight | 1 Pounds |
| Liquid Volume | 10.1 Fluid Ounces |
| Manufacturer | Sika USA |
| Material Type | Polyurethane |
| Maximum Gap Fill | 0.5 Inches |
| Surface Recommendation | Concrete |
| Tensile Strength | 175 Pounds Per Square Inch |
| UPC | 033886002752 |
| Unit Count | 1.0 Count |
| Water Resistance Level | Waterproof |
J**B
Great stuff for Pool Decking
Great stuff. I used it to seal seam between the concrete deck and my pool tiles. Worked great. Not sure why they say it's self-leveling because it stayed in place on an overhead application. I used painters' tape on the vertical tiles to get a nice clean line.
S**S
Great product
This product is amazing. I sprinkled ittle sand and it blended completely with my driveway. Cracks are all gone
J**D
Excellent for Superior Walls!
Excellent for sealing Superior Walls as they age. Worked perfectly!
M**.
Easy to install, good pliable use on my floor.
I used this product to fill the cracks on my garage floor. It works good. So far it has been standing up to daily wear and tear of the floor as normal. I am very happy 😊.
L**L
Seems like good stuff
Garage floor and driveway apron started to settle apart I filled the crack with this to prevent water intrusion and further erosion. Went in nice. Looks good. Seems to be a good seal. I wire wheeled it prior to application. We will see if the bond holds up over time.
R**6
Recommend
Reliable product. Ordered and shipped directly to job site. Arrived in time. Worked as expected.
G**S
Priced good for what it does.
Really good easy to use.Clean up a little messy but that's the usual for th8s type product.
K**K
Not self leveling!
Incorrect product description. After applying the product, I realized that it is not self leveling and had to be tooled and shaped which made a huge mess. Contacted customer service and the agent has not a clue what self leveling even means. She just wants to give me $5 for my troubles and issue a return. Why would Amazon make a customer return a used tube of sealant that is open? It will make a huge mess during shipping and will just end up in the landfill. Not to mention the hassle. Not the best way to keep costs down and customers happy Amazon. Fix the description so that people are buying the correct item in the first place. It’s like trying to get a customer to rip out wall paper and return it just for the sake of returning. That is not customer service, but again, most of the agents have zero common sense, they don’t know the products and just read the same script whether you’re returning an already applied sealant or a modem.
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