Sika Sikaflex 291 Fast Cure - Black - 3oz Tube [610566]
Sika Sikaflex 291 Fast Cure - Black - 3oz Tube [610566]
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Sika

Sika Sikaflex 291 Fast Cure - Black - 3oz Tube [610566]

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Key item features

  • THE CHOICE FOR BOATS — Formulated for use in marine construction, this one-component polyurethane adhesive creates a strong, elastic, and vibration-resistant joint seal
  • CURES QUICKLY FOR FAST JOBS — Begins to cure immediately upon exposure to atmospheric moisture and develops a skin within approximately 60 minutes, depending on environmental factors such as humidity
  • HIGH RESISTANCE TO WATER DAMAGE — Whether fresh or salt water, this Sikaflex marine sealant resists damage and maintains peak performance. It's also resistant for limited periods to fuels and oils
  • DURABLE AND NON-CORROSIVE — Sika-291 marine sealant and adhesive won't wear away due to exposure to the elements or to most diluted acids or caustic solutions. Enjoy long-lasting performance
  • QUICK AND EASY — Sikaflex-291 comes in a conveniently-sized cartridge that connects to manual, pneumatic, and electric-driven piston guns. Simply point it where you want it to go

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Mar 3, 2026
Walmart customer
Top Reviewer
Sold and shipped byBoating Store
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Definitely a waterproof seal.

This is an excellent sealer, but it is very difficult to squeeze out of the tube. I could not use the nozzle it came with; it is so thick it won't go through it. I simply removed the nozzle and squeezed it out of the tube's hole. It goes on very thick and sticks well. Definitely a waterproof seal.

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Current price is Now $16.89
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was $22.97
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