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Item #:
34022634
Sikaflex-221 Multi-Purpose Polyurethane Sealant/Adhesive, 10.1 fl oz, Black Permanent Elastic Seal, Sandable & Paintable, Non-Corrosive, Bonds to
Item #:
34022634
€ 253
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Friday, July 17
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Sikaflex-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive that bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength.
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What Stands Out
Permanent Elastic Seal
Sika Sikaflex-221 offers a durable, permanent seal that allows for flexibility, ideal for various applications including construction and automotive, ensuring long-lasting performance under different conditions.
Sandable & Paintable
This sealant is easily sandable and paintable, allowing for seamless finishing. Users can achieve a professional look without compromising the integrity of the sealant.
Non-Corrosive Formula
The non-corrosive nature of Sikaflex-221 ensures compatibility with most materials, reducing the risk of damage and making it suitable for a wide range of applications in various environments.
Product Details
- SikaFlex-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive
- Cures on exposure to atmospheric humidity to form a durable elastomer
- Bonds well to wood, metals, metal primers, paint coatings, ceramic materials, and plastics
- Provides permanent elastic adhesion with excellent cut and tear resistance
- Weather resistant, sandable, paintable, and NSF approved for potable water and incidental food contact
- Available in white, black, aluminum gray, and other colors in various packaging options
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Product Technical Details
| Manufacturer | SIKA |
| Brand | SIKA |
| Model | 017-90893 |
| Item Weight | 10.1 ounces |
| Product Dimensions | 12 x 2 x 12 inches |
| Item model number | SIKA-90893 |
| Batteries | 1 Nonstandard Battery batteries required. |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 90893 |
| Position | Outside |
| Special Features | Stain resistant |
What's in the box
Sealant
Who Should Buy?
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Home Repair Enthusiasts
Ideal for DIY projects requiring a dependable, flexible seal for various materials like wood and metal.
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Professional Contractors
A go-to adhesive for construction and remodeling projects, providing lasting adhesion and elasticity for demanding applications.
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Automotive Applications
Suitable for bonding and sealing in automotive settings, ensuring protection against vibrations and moisture.
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Cold Weather Use
Not ideal for applications in extreme cold temperatures, as it may affect cure time and bonding.
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Non-Porous Surfaces
Not suitable for non-porous surfaces like glass or certain plastics where a strong hold may not occur.
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Large Gaps
Not recommended for filling large gaps, as its purpose is to create a seal rather than act as a filler.
Product Description
About This Item
Introducing the Sika Sikaflex-221 Multi-Purpose Polyurethane Sealant-Adhesive in Black! This versatile and high-quality product is perfect for all your sealing and bonding needs. With its innovative formula, Sikaflex-221 creates a permanent elastic seal that is ideal for a wide range of applications. Whether you're working on a DIY project or a professional job, this sealant-adhesive is designed to provide exceptional performance, durability, and versatility. One of the standout features of Sikaflex-221 is its sandable and paintable nature.
This means that you can easily achieve a smooth and seamless finish, allowing you to seamlessly blend the sealant into your project without any visible traces. In addition, Sikaflex-221 is non-corrosive, making it safe to use on a variety of materials such as metal, wood, concrete, and many others. You can trust that this sealant-adhesive will not damage or deteriorate the surfaces it is applied to, ensuring long-lasting results. With a generous size of 10.1 fl oz, you'll have plenty of product to complete your projects without worrying about running out.
The convenient packaging allows for easy application and precise control, ensuring a mess-free experience. Sika is a brand known for its commitment to quality and innovation. When you choose Sikaflex-221, you're choosing a product that is trusted by professionals all over the world. Whether you're sealing gaps, bonding materials, or repairing cracks, the Sika Sikaflex-221 Multi-Purpose Polyurethane Sealant-Adhesive in Black is the perfect solution.
Add it to your cart now and enjoy the peace of mind that comes with using a reliable and high-performance product from a trusted brand like Sika.
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Customer Questions & Answers
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Question:
What is Sikaflex-221 used for?
Answer: Sikaflex-221 is a versatile polyurethane sealant and adhesive designed for use in various construction and repair projects. It is ideal for bonding, sealing, and filling gaps in materials such as wood, metal, concrete, and plastics. Its permanent elastic seal enables it to accommodate movement, making it suitable for both indoor and outdoor applications. For instance, you might use it to seal around windows, doors, or even on automotive repairs. -
Question:
Is Sikaflex-221 paintable and sandable?
Answer: Yes, Sikaflex-221 is both paintable and sandable. This feature allows for aesthetic integration into your projects, as it can be painted to match surrounding surfaces. After it cures, you can sand it down for a smooth finish, making it suitable for applications where appearance is important, like trim work or home repairs. For best results, ensure the sealant is fully cured before attempting to paint or sand. -
Question:
How does Sikaflex-221 perform in temperature extremes?
Answer: Sikaflex-221 performs well in a wide range of temperatures, maintaining its elasticity and bond strength even in extreme weather conditions. This makes it ideal for exterior applications, where fluctuating temperatures can cause conventional sealants to crack or fail. For instance, whether you're sealing around a patio or maintaining a roof, Sikaflex-221’s robust formula will provide lasting protection against the elements. -
Question:
Can Sikaflex-221 be used on wet surfaces?
Answer: Sikaflex-221 is not recommended for use on wet surfaces during application. For optimal bonding and sealing, the surfaces should be clean and dry. This ensures that the adhesive can properly bond without moisture interference. In scenarios like bathroom repairs or outdoor projects, make sure to work on surfaces that are moisture-free to achieve the best results. -
Question:
How long does it take for Sikaflex-221 to cure?
Answer: Sikaflex-221 typically cures within 24 hours, depending on environmental conditions such as humidity and temperature. The initial skin formation is rapid, allowing for handling shortly after application, but full curing may take longer. For critical applications, it's best to allow ample time for full curing before exposing it to stresses or painting over it. -
Question:
Is Sikaflex-221 non-corrosive?
Answer: Yes, Sikaflex-221 is a non-corrosive sealant, making it safe for use on metal surfaces without the risk of degradation. This property is particularly beneficial for construction tasks involving metal components, as it allows for a secure bond without compromising the integrity of the materials. Applications could include metal roofing, gutter repairs, or automotive sealing where metal corrosion is a concern. -
Question:
What types of materials will Sikaflex-221 bond to?
Answer: Sikaflex-221 is designed to bond effectively to various materials, including wood, metal, concrete, brick, glass, and some plastics. This versatility makes it ideal for a multitude of projects, from home renovations to automotive repairs. For example, you can use it to bond trim to walls or secure panels in place, demonstrating its wide-ranging applicability. -
Question:
Is there a specific way to apply Sikaflex-221 for best results?
Answer: For optimal results with Sikaflex-221, ensure surfaces are clean and free of dust, grease, or old sealants. Use a caulking gun for a controlled application and maintain a consistent rate of extrusion. Tool the sealant within 10 minutes of application to achieve a smooth finish. This method is effective for sealing windows or other tight gaps and enhances adhesion. -
Question:
Can Sikaflex-221 be used in automotive applications?
Answer: Absolutely! Sikaflex-221 is well-suited for automotive applications, including sealing windshields, bonding body panels, and repairing weather stripping. Its resilience against temperature changes and exposure to chemicals makes it ideal for cars and trucks. For instance, it can provide a durable bond to metal and glass without degrading over time, making it a go-to choice for automotive enthusiasts. -
Question:
Where can I buy Sikaflex-221 Multi-Purpose Polyurethane Sealant Adhesive in Ireland?
Answer: You can purchase Sikaflex-221 Multi-Purpose Polyurethane Sealant Adhesive from Ubuy, which offers a wide selection of products including sealants and adhesives. Ubuy provides a convenient shopping experience, allowing you to find the right product for your needs easily and efficiently in Ireland.
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Last Updated on July 9, 2026
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€ 253
Order now and get it around Friday, July 17
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Features & Benefits
- Bonds well to a variety of materials.
- Provides permanent elastic adhesion with cut and tear resistance.
- Maintains strength and adhesion for long periods of time.
- Weather resistant, sandable and paintable.
- NSF approved for potable water and incidental food contact.
- Suitable for experienced professional users only.
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