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⚓ Seal your legacy with marine-grade strength and style!
Sikaflex-291 LOT is a premium white, one-component polyurethane marine adhesive and sealant designed for demanding marine and general-purpose applications. It offers long open time for flexible working, bonds a wide range of materials including wood, fiberglass, and metal, and cures to a durable, elastic, and paintable finish. Resistant to fresh and saltwater, diluted acids, and oils, it ensures lasting protection above and below the waterline. Packaged in a convenient 10.1 fl. oz cartridge, it applies easily with various piston guns, making it the go-to sealant for professionals seeking reliable, high-performance marine-grade adhesion.
| ASIN | B007H2R9SK |
| Best Sellers Rank | #11,598 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Polyurethane Adhesives #28 in Urethane Adhesives |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | White |
| Compatible Material | Polyurethane |
| Container Type | Cartridge |
| Customer Reviews | 4.5 out of 5 stars 338 Reviews |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00033886000758 |
| Included Components | Sealant |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | Adhesive |
| Item Weight | 10.1 Ounces |
| Manufacturer | Sika USA |
| Material | 1-C polyurethane |
| Material Type | 1-C polyurethane |
| Model | 90925 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Water Resistant |
| Part Number | 90925 |
| Special Feature | Water Resistant |
| Specific Uses For Product | General All-Purpose, Interior, Marine |
| UPC | 033886002707 338860007588 033886000758 033886000741 |
| Unit Count | 10.1 Fluid Ounces |
| Viscosity Level | Medium to High |
| Volume | 300 Milliliters |
| Warranty Description | Warranty |
| Water Resistance Level | Water Resistant |
A**R
Good adhesive for a boating project
I used this to attach a heavy duty rub rail on my old BW Outrage (belt and suspenders approach, I didn't trust that the screws that came with the rub rail would work). It's been six months since I did the work and it seems to be holding well. Cures somewhat quickly which makes it tricky to use on a large area in summer heat. I'd use it again before the #M product.
B**D
Easy to apply, looks like a good seal
I used it to seal between the body and the bottom pan of a 1970s VW Beetle I'm rebuilding. It'll take me months to find if the seal provided by this product is durable. But for now, it looks encouraging. Also, it is rated for "below the waterline", and that should be more than sufficient overkill for a Volkswagen. As I had to apply the sealant from below the car, it dripped a little bit but not badly. The product flows into place readily and can be smoothed, like caulk, with a gloved (!!!) finger. Go without gloves and have a very messy clean-up coming. The product dries to a deep glossy black. As it is paintable, I plan to spray the bottom of the car with undercoating for protection. The seals cured overnight and look confidence-inspiring.
R**Y
As expected
Works good.
A**R
On time
Great for the boat seams
A**R
👍
👍
G**T
Oh yeah
Grabbed some rubber to make a cover for the saildrive port on my sailboat; it keeps barnacles out. I wasn't expecting this to hold at all for months underwater and under sail. Still there six months later. I am amazed.
A**R
Great caulk
As other’s indicated, it sticks to everything. I taped the caulk lines and waited about 45 minutes before pulling tape. Could have waited another 15 to 30 minutes. Takes a while to dry. Once dry, it is solid and flexible with great adhesion
I**N
Wroks great
Silkaflex is great. I had it on my engine bolts for about couple months. I had the need to take it off and was amazed that it works well. Now, this is what I use on most areas which need caulking.
S**V
Works well
Works well, strong adhesion & hard cured coating
S**Y
Good product
Good product.
A**R
Used for wetsuits
Excellent product for gluing storage pockets onto wetsuits or for neoprene repair.
D**K
Great
It's sikaflex works great on boats , cheaper than in town also
L**A
very very please like new
GREAT PRODUCT
Trustpilot
1 month ago
2 days ago