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Item #:
14560995
Sika Sikaflex 221 Aluminum Gray 10.3 Oz 300 Ml.
84% of respondents would recommend this to a friend
Item #:
14560995
SLE 1085
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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.
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What Stands Out
Versatile Adhesive
SIKAFLEX 221 is suitable for a variety of materials, making it perfect for numerous applications, ranging from automotive to construction, providing a strong bond for both indoor and outdoor projects.
Durable Sealant
The formula offers excellent weather resistance, ensuring longevity under harsh conditions. This makes it ideal for outdoor bonding, sealing joints, and keeping structures protected from moisture and air leaks.
User-Friendly Application
Packaged in a convenient 10.3 oz cartridge, SIKAFLEX 221 allows for easy application with a standard caulking gun, saving time and improving efficiency for both professionals and DIY enthusiasts.
Product Details
- High-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive
- Meets approvals ASTM C920 types and ANSI/UL 723 Test for Surface Burning Characteristics of Building Materials
- Bonds well to wood, metals, ceramic materials, and plastics
- Highly elastic, durable, and resistant to aging and weathering
- Can be sanded and overpainted, NSF registered, and UL listed for potable water
- Size: 10.3 oz & 300 ml, Color: Aluminum Gray, Weight: 2 lbs, SKU: CW68036
| Industrial sealant type | Multi-Purpose |
| Recommended surface | Metal |
| Brand | Sika |
| Adhesive form | Liquids |
| Color | Gray |
| Color category | Gray |
| Volume capacity | 10.3 oz |
| Features | Lightweight |
| Material | Polyurethane |
| Accessories | Sealant |
| Manufacturer | Onyx Outdoor |
| Weight | 1 lb (450 grams) |
| Size | 10.1 fl. Oz (Pack of 1) |
Who Should Buy?
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Construction Professionals
Ideal for contractors needing a high-performance adhesive for sealing and bonding various construction materials effectively.
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Automotive Repairs
Perfect for automotive enthusiasts who require a durable sealant for vehicle repairs and maintenance tasks.
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DIY Home Projects
Great choice for DIYers looking to achieve professional-quality results in home repairs and improvements.
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Weather-Resistant Applications
Not suitable for applications requiring prolonged exposure to extreme weather conditions without additional protection.
Product Description
Sika Sikaflex 221 Aluminum Gray 10.3 Oz 300 Ml.
About This Item
Introducing the Sika 90892 10.3 oz & 300 ml 221 Multi-Purpose Polyurethane Sealant & Adhesive Cartridge in Aluminum Gray, available exclusively at Ubuy! Are you in need of a versatile and reliable sealant and adhesive? Look no further, because the Sika 90892 is here to meet all your needs. With its high elasticity and durability, this product is designed to withstand the test of time, making it perfect for a wide range of applications. One of the key advantages of the Sika 90892 is its resistance to aging and weathering exposure. This means that it will maintain its quality and performance even when exposed to harsh conditions, ensuring a long-lasting bond or seal. Additionally, this polyurethane sealant and adhesive is non-corrosive, providing you with the peace of mind that it will not damage the surfaces it is applied to.
It can also be sanded and overpainted, allowing you to achieve a seamless finish. For those concerned about safety and compliance, the Sika 90892 is NSF registered for use in proprietary substances and non-food compounds. It is also UL listed for potable water, making it suitable for applications where contact with drinking water is a concern. Please note that this product contains chemicals that are known to the State of California to cause cancer, birth defects, or other reproductive harm. It is important to take necessary precautions when handling and using the Sika 90892. Specifications: - Size: 10.3 oz & 300 ml - Color: Aluminum Gray - Weight: 2 lbs. - SKU: CW68036 Don't miss out on the opportunity to experience the exceptional quality and versatility of the Sika 90892.
Add this aluminum gray polyurethane sealant and adhesive to your cart today and enjoy the convenience of shopping at Ubuy.
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Customer Questions & Answers
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Question:
What are the suitable substrate materials for Sikaflex®-221?
Answer: It bonds well to a wide variety of substrates such as wood, metals, ceramic materials, plastics, and metal primers and paint coatings. -
Question:
How does Sikaflex®-221 cure?
Answer: It cures on exposure to atmospheric humidity to form a durable elastomer. -
Question:
What approvals and classifications does Sikaflex®-221 meet?
Answer: It meets approvals ASTM C920 types and is tested and classified in accordance with ANSI/UL 723 Test for Surface Burning Characteristics of Building Materials.
Sika Sealants Editorial Review
SIKA SIKAFLEX 221 ALUMINUM GRAY 10.3 OZ 300 ML is a versatile multi-purpose industrial sealant specifically designed for metal surfaces. This lightweight polyurethane product offers impressive adhesion in liquid form, making it ideal for various applications. Users appreciate its effectiveness and ease of use, highlighting its ability to create long-lasting seals. The sealant is available in a convenient 10.3 oz volume, allowing for multiple projects without excessive waste. It's praised for its robust performance across varied conditions, making it a reliable choice for DIY enthusiasts and professionals alike. The specific gray color blends seamlessly with metal, enhancing the aesthetics of repairs and installations.
Customer Reviews & Ratings
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Pros
- Versatile multi-purpose industrial sealant
- Designed specifically for metal surfaces
- Lightweight and easy to apply
- Robust performance in various conditions
- Available in a convenient volume
Cons
- Might require careful application for precise results
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Features & Benefits
- Highly elastic and durable
- Resistant to aging and weathering exposure
- Non-corrosive
- Can be sanded and overpainted
- NSF registered, Proprietary Substances and Non-food Compounds (black, gray, and white)
- UL listed for potable water (black, gray, and white)
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