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⚓ Seal the deal with Sikaflex-291 — where strength meets style!
Sikaflex-291 LOT is a premium 1-component marine-grade polyurethane adhesive and sealant, designed for superior water resistance and fast curing. Its moisture-cured, non-sag formula offers a long open time, making it ideal for demanding marine and repair applications. Compatible with metal, plastic, and wood, it delivers a paintable and sandable finish, ensuring professional results every time.















| ASIN | B00C50GIQI |
| Best Sellers Rank | #240,804 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #416 in Silicone Sealers |
| Brand Name | SIKA |
| Color | Black |
| Compatible Material | Metal, Plastic, Wood |
| Container Type | Cartridge |
| Customer Reviews | 4.6 4.6 out of 5 stars (134) |
| Included Components | Sealant |
| Item Form | Gel |
| Item Package Quantity | 1 |
| Item Type Name | Adhesive |
| Item Weight | 10.1 Ounces |
| Manufacturer | Sika USA |
| Material Type | 1-C polyurethane |
| Model | 90927 |
| Other Special Features of the Product | Water Resistant |
| Specific Uses For Product | Marine |
| UPC | 033886005289 |
| Unit Count | 298.69 Milliliters |
| Viscosity | Medium |
| Volume | 10.1 Fluid Ounces |
| Water Resistance Level | Water Resistant |
S**Y
Good product.
A**R
Excellent product for gluing storage pockets onto wetsuits or for neoprene repair.
E**.
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.
G**T
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.
J**P
Je ne comprends pas pourquoi c'est encore sur le marché. Application dans un spa= de la scrap! Se dissout après 48hres, pourtant vendu à gros prix pour industrie marine👎👎👎
Trustpilot
4 days ago
2 months ago