Logo
SIKA Sikaflex®-291 Marine Boat Sealant - Elastic, Vibration-Resistant Joint Sealant for Wood, Metal, Plastic & Ceramic | NSF Listed, Low Odor, Over-Paintable, Sandable, 3 fl. oz Tube

SIKA Sikaflex®-291 Marine Boat Sealant - Elastic, Vibration-Resistant Joint Sealant for Wood, Metal, Plastic & Ceramic | NSF Listed, Low Odor, Over-Paintable, Sandable, 3 fl. oz Tube

ADVERTISEMENT

Compare Buying Options

  • Sika Sikaflex 291 Polyurethane Marine Sealant-Adhesive in Black | Size: 300 ml Cartridge | by Ellsworth Adhesives
    9.66
    Ellsworth Adhesives

    Sika Sikaflex 291 Polyurethane Marine Sealant-Adhesive in Black | Size: 300 ml Cartridge | by Ellsworth Adhesives

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 Marine Adhesive/Sealant Black 300 ml Cartridge - SIKA 90923
    9.73
    R.S. Hughes

    Sika Sikaflex 291 Marine Adhesive/Sealant Black 300 ml Cartridge - SIKA 90923

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 Marine Adhesive/Sealant White 300 ml Cartridge - SIKA 90919
    9.73
    R.S. Hughes

    Sika Sikaflex 291 Marine Adhesive/Sealant White 300 ml Cartridge - SIKA 90919

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 Fast Cure - White - 3oz Tube
    10.51
    The Yacht Rigger

    Sika Sikaflex 291 Fast Cure - White - 3oz Tube

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 Fast Cure - Black - 3oz Tube
    10.51
    The Yacht Rigger

    Sika Sikaflex 291 Fast Cure - Black - 3oz Tube

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 Fast Cure Adhesive Sealant 10.3oz(300ml) Cartridge - Black
    12.79
    The Yacht Rigger

    Sika Sikaflex 291 Fast Cure Adhesive Sealant 10.3oz(300ml) Cartridge - Black

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 Fast Cure Adhesive Sealant 10.3oz(300ml) Cartridge - White
    12.79
    The Yacht Rigger

    Sika Sikaflex 291 Fast Cure Adhesive Sealant 10.3oz(300ml) Cartridge - White

    Delivery date & cost shown at checkout

  • Sika-Canad Sikaflex 291 Blk 10.3 Cart | 90923
    11.29
    Boats.net

    Sika-Canad Sikaflex 291 Blk 10.3 Cart | 90923

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 Fast Cure - Black - 3oz Tube [610566]
    11.99
    The Cape Marine

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

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 Fast Cure - White - 3oz Tube [610568]
    11.99
    The Cape Marine

    Sika Sikaflex 291 Fast Cure - White - 3oz Tube [610568]

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 Fast Cure Adhesive Sealant 10.3oz(300ml) Cartridge - White [90919]
    14.99
    The Cape Marine

    Sika Sikaflex 291 Fast Cure Adhesive Sealant 10.3oz(300ml) Cartridge - White [90919]

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 White Polyurethane Adhesive Sealant - 10.1 Oz. Cartridge
    12.39
    pksupplies.com

    Sika Sikaflex 291 White Polyurethane Adhesive Sealant - 10.1 Oz. Cartridge

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 Black Polyurethane Adhesive Sealant - 10.1 Oz. Cartridge
    12.39
    pksupplies.com

    Sika Sikaflex 291 Black Polyurethane Adhesive Sealant - 10.1 Oz. Cartridge

    Delivery date & cost shown at checkout

  • Sealant Caulk Sikaflex-291 Black 300ml Cartridge Paintable - AP Products 13-3243 - Polyurethane, Durable RV Sealant
    12.64
    RVupgrades.com

    Sealant Caulk Sikaflex-291 Black 300ml Cartridge Paintable - AP Products 13-3243 - Polyurethane, Durable RV Sealant

    Delivery date & cost shown at checkout

  • Sika Sikaflex 291 Fast Cure - White - 3oz Tube
    12.74
    Tiny Boat Nation

    Sika Sikaflex 291 Fast Cure - White - 3oz Tube

    Delivery date & cost shown at checkout

View more

Product Details

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

Best Review

Customers find this marine adhesive to be the best on the market, praising its ease of application and excellent adhesion. The sealant performs well, with one customer successfully using it to seal boat hatch and port windows. While the product looks good, some customers note that it remains very tacky to the touch, and durability receives mixed feedback with reports of cracks.AI Generated from the text of customer reviews

Popular Products

2-Pack 10FT USB Power Extension Cable for Wyze Cam,WyzeCam Pan,YI Home Camera,Nest-Cam Indoor,Oculus Go,Netvue,KasaCam,Furbo Dog,Blink,Flat USB to Micro USB Charging Charger Cord for Wyze-Cam v3 v2

2-Pack 10FT USB Power Extension Cable for Wyze Cam,WyzeCam Pan,YI Home Camera,Nest-Cam Indoor,Oculus Go,Netvue,KasaCam,Furbo Dog,Blink,Flat USB to Micro USB Charging Charger Cord for Wyze-Cam v3 v2

$8.99

Compare at 3 stores

HONGDAK Action Camera Accessories Kit for GoPro Hero 13 12 11 10 9 Black, Waterproof Housing+Silicone Case+ Adjustable Arm+Head Chest Wrist Strap+Bike Mount+Suction Cup+Floating Grip Bundle Set 63in1

HONGDAK Action Camera Accessories Kit for GoPro Hero 13 12 11 10 9 Black, Waterproof Housing+Silicone Case+ Adjustable Arm+Head Chest Wrist Strap+Bike Mount+Suction Cup+Floating Grip Bundle Set 63in1

$31.99

Compare at 3 stores

JJC E-Mount Body Cap & Rear Lens Cap Cover Kit for Sony A7 A7II A7III A7IV A7S II III A7R II III IV A7RV A7CR A7C II A6700 A6600 A6400 A6300 A6100 A6000 A1 II ZV-E10 II ZV-E1 & More Sony Camera & Lens

JJC E-Mount Body Cap & Rear Lens Cap Cover Kit for Sony A7 A7II A7III A7IV A7S II III A7R II III IV A7RV A7CR A7C II A6700 A6600 A6400 A6300 A6100 A6000 A1 II ZV-E10 II ZV-E1 & More Sony Camera & Lens

$5.99

Compare at 2 stores

Altura Photo 58MM Tulip Flower Lens Hood for Canon EOS 77D 80D 90D Rebel T8i T7 T7i T6i T6s T6 SL2 SL3 DSLR Cameras with Canon EF-S 18-55mm f/3.5-5.6 is Lens and Select Nikon Lenses

Altura Photo 58MM Tulip Flower Lens Hood for Canon EOS 77D 80D 90D Rebel T8i T7 T7i T6i T6s T6 SL2 SL3 DSLR Cameras with Canon EF-S 18-55mm f/3.5-5.6 is Lens and Select Nikon Lenses

$9.99

Compare at 4 stores

Micro USB Cable,2Pack Extra Long Android Charger Cable 10Ft 6Ft, EnduringFast Phone Charger Cord Android USB Charging Cable Fit for Samsung Galaxy S7 S6 S7 Edge S5,Note 5 4,LG G4,HTC,PS4,Camera,MP3

Micro USB Cable,2Pack Extra Long Android Charger Cable 10Ft 6Ft, EnduringFast Phone Charger Cord Android USB Charging Cable Fit for Samsung Galaxy S7 S6 S7 Edge S5,Note 5 4,LG G4,HTC,PS4,Camera,MP3

$6.99

Compare at 9 stores