Sika Sikaflex 221 Multi Purpose Polyurethane Sealant Adhesive 10.3 Ounce Cartridge Black
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Estimated Delivery:Sep 29 - Oct 03
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Free Shipping: On all orders over $150
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Sika Sikaflex 221 Multi Purpose Polyurethane Sealant Adhesive 10.3 Ounce Cartridge Black
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Sika Sikaflex 221 Multi-Purpose Polyurethane Sealant Adhesive - 10.3 Ounce Cartridge Black
Introducing the Sika Sikaflex 221 Multi-Purpose Polyurethane Sealant Adhesive in a convenient 10.3-ounce cartridge, designed to meet all your adhesive and sealing needs. This high-quality sealant is perfect for various applications, making it a must-have in your toolkit. Whether you're working on construction, DIY projects, or repairs, this multi-purpose polyurethane sealant provides exceptional performance for all your sealing and bonding tasks.

The Sikaflex®-221 boasts remarkable features that set it apart in the adhesives, sealants, and tapes category:
- High-Quality Formula: Contains a non-sag 1-component polyurethane that cures upon exposure to atmospheric humidity, ensuring a strong, durable bond.
- Versatile Applications: Ideal for sealing joints, bonding a wide range of materials, and for use in both indoor and outdoor settings.
- Durable and Flexible: Once cured, it forms a robust elastomer that accommodates movement, making it perfect for dynamic joints.
- Easy to Use: The cartridge design allows for easy application, ensuring you can work efficiently without mess.
- Meets Industry Standards: Approved to ASTM C920 types, giving you peace of mind with its performance reliability.
Experience the excellence of Sika, a trusted name in the industry known for delivering high-performance products. Sikaflex 221 stands out among typical sealants, providing unmatched flexibility and durability that you can rely on for your projects.
Don’t wait! Elevate your sealing and bonding tasks today with the Sika Sikaflex 221 Multi-Purpose Polyurethane Sealant Adhesive. Order now and ensure your projects are completed with precision and professionalism!
Sikaflex® 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz(300ml) Cartridge - Black
Sikaflex®-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive that cures on exposure to atmospheric humidity to form a durable elastomer. Meets approvals ASTM C920 types Sikaflex®-221 is tested and classified in accordance with ANSI/UL 723 “Test for Surface Burning Characteristics of Building Materials”.
Uses:
Sikaflex®-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics.
Characteristics & Advantages:
- Highly elastic and durable
- Resistant to aging and weathering exposure
- Non-corrosive
- Can be sanded and overpainted
- NSF registered, Proprietary Substances and Nonfood Compounds (black, gray, and white)
- UL listed for potable water (black, gray, and white)
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 go to P65Warnings.ca.gov.
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Carriers
We ship all orders via UPS Ground or FedEx Ground, depending on availability and destination.
Shipping Rates
- Orders under $150: Flat shipping rate of $15
- Orders $150 and above: Free shipping
Note: A handling fee of $7.50 may apply to certain items. If applicable, it will be clearly stated during checkout.
Order Processing
- Orders placed before 12:00 PM ET (Monday–Friday): Processed the same business day
- Orders placed after 12:00 PM ET or on weekends/holidays: Processed the next business day
Delivery Time
All orders are delivered within 3–7 business days from the date of shipment, depending on your location.
For any questions or concerns about your order, please contact us at [hello@outdoors.supply]. We’re here to help!
Discover more in our FAQ
How long does it take to process an order?
All orders are processed the same business day if placed before 12 PM EST. Orders placed after 12 PM EST are processed the following business day.
Do you ship internationally?
No! Currently we are only supporting shipments to contiguous United States. We do not ship to PO Boxes or Internationally.
What is your return policy?
No Returns
Due to the nature of our products and our commitment to ensuring the highest quality standards, we do not accept any returns under any circumstances.
No Refunds
We do not offer refunds for any reason, including but not limited to:
- Change of mind
- Incorrect size or style ordered
- Delayed shipping
- Product dissatisfaction
Please refer to our Refund Policy
What are your sizing options?
We have a size chart displayed on most products to reflect the sizing as accurate as possible. Please review the size chart and ensure you are leveraging the closest size possible.
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