Original: $11.99
-70%$11.99
$3.60The Story
Sikaflex®-221 is a premium multi-purpose polyurethane sealant and adhesive designed specifically for marine and boating applications. Its superior bonding capabilities and durable elastomeric properties ensure long-lasting seals and strong adhesions in harsh marine environments.
Product Overview
Sikaflex®-221 is a high-performance, non-sag 1-component polyurethane sealant/adhesive that cures upon exposure to atmospheric humidity. It forms a flexible and resilient elastomer, making it ideal for a variety of marine and boating applications. This sealant meets ASTM C920 standards and is tested under ANSI/UL 723 for surface burning characteristics, ensuring both safety and reliability.
Key Features
| Feature | Description |
|---|---|
| Elasticity & Durability | Highly elastic, maintaining flexibility and integrity over time even in extreme conditions. |
| Weather & Aging Resistance | Resistant to UV rays, moisture, and temperature fluctuations, ensuring long-term performance. |
| Non-Corrosive | Does not corrode metal substrates, protecting your marine equipment and structures. |
| Paintable & Sandable | Can be easily sanded and painted to match your vessel’s aesthetics. |
| NSF & UL Listed | Certified for potable water use and compliant with safety standards for various applications. |
Applications
Sikaflex®-221 is versatile and bonds effectively to a wide range of substrates commonly found in marine settings:
- Wood
- Metals (including primed and painted surfaces)
- Ceramic materials
- Plastics
Ideal for creating permanent, elastic seals with high adhesive strength, Sikaflex®-221 is perfect for:
- Hull seams
- Deck fittings
- Bulkhead assemblies
- Window and door installations
- Engine mounts
Advantages
- Highly Elastic and Durable: Maintains flexibility and strength, accommodating movement and vibrations typical in marine environments.
- Resistant to Aging and Weathering Exposure: Withstands harsh marine conditions, including saltwater, UV exposure, and temperature extremes.
- Non-Corrosive: Protects metal surfaces from corrosion, extending the lifespan of your marine equipment.
- Can be Sanded and Overpainted: Facilitates seamless integration with your vessel’s design and finishing touches.
- NSF Registered: Safe for applications involving potable water in black, gray, and white formulations.
- UL Listed for Potable Water: Ensures compliance with safety standards for water-related applications.
Safety Information
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.
Additional Resources
For detailed application instructions and guidelines, please refer to the Quick Guide (PDF).
Description
Sikaflex®-221 is a premium multi-purpose polyurethane sealant and adhesive designed specifically for marine and boating applications. Its superior bonding capabilities and durable elastomeric properties ensure long-lasting seals and strong adhesions in harsh marine environments.
Product Overview
Sikaflex®-221 is a high-performance, non-sag 1-component polyurethane sealant/adhesive that cures upon exposure to atmospheric humidity. It forms a flexible and resilient elastomer, making it ideal for a variety of marine and boating applications. This sealant meets ASTM C920 standards and is tested under ANSI/UL 723 for surface burning characteristics, ensuring both safety and reliability.
Key Features
| Feature | Description |
|---|---|
| Elasticity & Durability | Highly elastic, maintaining flexibility and integrity over time even in extreme conditions. |
| Weather & Aging Resistance | Resistant to UV rays, moisture, and temperature fluctuations, ensuring long-term performance. |
| Non-Corrosive | Does not corrode metal substrates, protecting your marine equipment and structures. |
| Paintable & Sandable | Can be easily sanded and painted to match your vessel’s aesthetics. |
| NSF & UL Listed | Certified for potable water use and compliant with safety standards for various applications. |
Applications
Sikaflex®-221 is versatile and bonds effectively to a wide range of substrates commonly found in marine settings:
- Wood
- Metals (including primed and painted surfaces)
- Ceramic materials
- Plastics
Ideal for creating permanent, elastic seals with high adhesive strength, Sikaflex®-221 is perfect for:
- Hull seams
- Deck fittings
- Bulkhead assemblies
- Window and door installations
- Engine mounts
Advantages
- Highly Elastic and Durable: Maintains flexibility and strength, accommodating movement and vibrations typical in marine environments.
- Resistant to Aging and Weathering Exposure: Withstands harsh marine conditions, including saltwater, UV exposure, and temperature extremes.
- Non-Corrosive: Protects metal surfaces from corrosion, extending the lifespan of your marine equipment.
- Can be Sanded and Overpainted: Facilitates seamless integration with your vessel’s design and finishing touches.
- NSF Registered: Safe for applications involving potable water in black, gray, and white formulations.
- UL Listed for Potable Water: Ensures compliance with safety standards for water-related applications.
Safety Information
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.
Additional Resources
For detailed application instructions and guidelines, please refer to the Quick Guide (PDF).