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Item #:
215651
AP Products 017-90892 Sikaflex-221, Aluminum Gray
Item #:
215651
PHP 1926
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Sikaflex-221 is the ultimate choice in truck, trailer RV, and bus manufacturing. This fast curing product provides permanent elastic adhesion with excellent cut and tear resistance
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What Stands Out
Versatile Adhesion
Sikaflex-221 provides strong bonding capabilities on various surfaces, making it ideal for diverse applications in automotive, marine, and construction sectors, where versatile performance is crucial for users.
Weather Resistant
This sealant offers superior resistance to weather conditions, ensuring long-lasting durability against UV rays, rain, and temperature fluctuations, effectively addressing users' concerns regarding longevity and maintenance.
Easy Application
With a user-friendly cartridge design, Sikaflex-221 allows for smooth and precise application. This feature is especially valuable for DIY enthusiasts and professionals seeking efficiency and clean results in their projects.
Product Details
- Sikaflex-221 is a one component polyurethane sealant/adhesive
- Fast curing with permanent elastic adhesion
- Excellent cut and tear resistance
- Ideal for truck, trailer, RV, and bus manufacturing
- Weather resistant, sandable, and paintable
- NSF approved for potable water and incidental food contact
| Specific Uses For Product | Bus, RV, Trailer, Truck |
| Item Form | Product |
| Other Special Features of the Product | Extra-strong bonding capabilities, Heat Resistant, Moisture Resistant, Durable, Sandable, Paintable, NSF Approved for Food Contact |
| Container Type | Tube |
| Water Resistance Level | Waterproof |
| Viscosity Level | Medium |
| Compatible Material | Aluminum |
| Item Package Quantity | 1 |
| Volume | 300 Milliliters |
| Material Type | Polyurethane-based adhesive |
| Color | Aluminum Gray |
| EU Spare Part Availability Duration | 5 Years |
| Brand Name | AP Products |
| Model | 1790892 |
| Unit Count | 10.1 Fluid Ounces |
| UPC | 338860051048 |
| Manufacturer | AP Products |
| Part Number | 017-90892 |
| Item Weight | 15.2 ounces (430.92 grams) |
| Item Type Name | Sikaflex 221 Alum Gray 30 |
| Included Components | Auto part, Automotive Accessories, Replacement and Performance parts |
| Brand | AP Products |
| Material | Polyurethane-based adhesive |
| Special Feature | Extra-strong bonding capabilities, Heat Resistant, Moisture Resistant, Durable, Sandable, Paintable, NSF Approved for Food Contact See more |
Who Should Buy?
-
RV Owners
Ideal for sealing joints and gaps in recreational vehicles, providing flexibility and durability against harsh weather conditions.
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Construction Professionals
Perfect for bonding and sealing various construction materials, ensuring strong adhesion and longevity in outdoor applications.
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DIY Enthusiasts
Great for home improvement projects where a strong sealant is needed, offering ease of use and effective results.
-
Marine Use
Not suitable for applications in marine environments due to possible degradation from prolonged exposure to saltwater.
Product Description
AP Products 017-90892 Sikaflex-221, Aluminum Gray
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Customer Questions & Answers
-
Question:
What is AP Products 017-90892 Sikaflex-221 used for?
Answer: AP Products 017-90892 Sikaflex-221 is a versatile sealant used primarily for sealing and bonding materials in various applications, including automotive, marine, and construction sectors. Its flexibility allows it to handle dynamic movements between surfaces, making it an ideal choice for joints and seams. With its high durability and exceptional adhesion to a variety of substrates, Sikaflex-221 is commonly used for sealing roofs, windows, and even glass. Whether you're working on a boat or an RV, this product ensures long-lasting performance. -
Question:
Is Sikaflex-221 suitable for outdoor use?
Answer: Yes, Sikaflex-221 is designed for both indoor and outdoor applications. It resists UV radiation and extreme weather conditions, making it a preferred choice for outdoor projects. Unlike many sealants, it maintains its integrity even when exposed to moisture, temperature fluctuations, and direct sunlight. This ensures that your outdoor seals remain intact and effective over time. DIY enthusiasts and professionals alike choose this sealant for roofs, outdoor furniture, and any exterior bonding needs. -
Question:
How do I apply Sikaflex-221?
Answer: To apply Sikaflex-221, begin by ensuring that surfaces are clean, dry, and free of oils or contaminants. Using a caulking gun, apply the sealant in a continuous bead, ensuring consistent coverage. It's important to tool the sealant immediately after application to achieve a smooth finish and enhance adhesion. Allow it to cure fully as per the detailed guidelines provided by the manufacturer. This method is commonly practiced for both small DIY projects and large industrial applications. -
Question:
What materials can I bond with Sikaflex-221?
Answer: Sikaflex-221 can bond a wide range of materials, including metals, plastics, wood, glass, and concrete. Its versatility makes it suitable for various projects, from automotive repairs to construction applications. As a sealant, its strong adhesion properties make it suitable for securing joints and seams while providing a watertight seal. Users often find it advantageous for tasks like fixing windows or sealing edges on boats and trailers, ensuring durability and reliability. -
Question:
How long does it take for Sikaflex-221 to cure?
Answer: Sikaflex-221 typically takes between 24 to 48 hours to fully cure, depending on environmental conditions such as temperature and humidity. The initial set time is relatively quick, allowing for handling shortly after application. However, for maximum strength and performance, giving it the full curing period is recommended. This timing can be critical for projects that require immediate further processing or external exposure, like moving vehicles or exposure to rain. -
Question:
Is Sikaflex-221 paintable?
Answer: Yes, Sikaflex-221 can be painted over; however, it's advisable to let the sealant cure completely before applying paint. Use compatible paints that adhere well to polyurethane sealants for the best results. Some users prefer painting over Sikaflex-221 in projects where aesthetics are essential, such as custom builds in marine applications or outdoor furniture. Ensure you test your paint choice on a small area first to avoid adhesion issues. -
Question:
Can Sikaflex-221 be used on wet surfaces?
Answer: While Sikaflex-221 exhibits excellent adhesion properties, applying it on wet surfaces isn’t recommended, as it may not bond effectively. It's crucial that the surfaces are clean, dry, and partially cured for optimal results. Users often prepare surfaces by drying them before application, especially in humid or rainy environments. While the sealant performs exceptionally well in moist and humid conditions after curing, ensuring a dry initial bond is vital to its effectiveness. -
Question:
What color options are available for Sikaflex-221?
Answer: Sikaflex-221 is primarily available in various colors, including the commonly requested Aluminum Gray option. This variety allows users to choose based on aesthetics or to match existing materials. The Aluminum Gray is especially favored for applications where a metallic finish is desired, such as marine craft and automotive repairs. Color choices can enhance the visual appeal of projects while ensuring that seals and bonds are also functional. -
Question:
What precautions should I take when using Sikaflex-221?
Answer: When using Sikaflex-221, it's important to work in a well-ventilated area and wear protective gloves. The sealant can be difficult to clean once cured, so take care during application. Ensure proper disposal practices for any unused or excess material to avoid environmental impact. Users working on DIY projects or professional applications should follow safety guidelines and consider potential interactions with other chemicals present in their workspace. -
Question:
Where can I buy AP Products 017-90892 Sikaflex-221, Aluminum Gray?
Answer: You can buy AP Products 017-90892 Sikaflex-221, Aluminum Gray from Ubuy. Ubuy offers a wide selection of products, including this high-quality sealant, ensuring a convenient shopping experience. With Ubuy, you can easily access product details, specifications, and customer reviews to make informed purchasing decisions. It's recommended to check Ubuy for availability and additional options to meet your project needs.
AP Products Polyurethane Adhesives Editorial Review
**Editorial Review of AP Products 017-90892 Sikaflex-221** The AP Products 017-90892 Sikaflex-221 sealant has garnered acclaim among users for its impressive bonding strength and versatility, particularly in applications requiring a durable and watertight seal. Many customers have reported using it successfully for various purposes, from mounting solar panels to caulking seals on vintage campers. The Consensus is clear: Sikaflex-221 is an effective adhesive and sealant that provides a solid bond that can withstand the test of time. Users particularly appreciate the sealant's performance on different materials, including anodized aluminum and camper roofs, where it has proven to be both resilient and reliable. Its ability to dry quickly and adhere well has made it a preferred choice for RV and box truck owners looking to seal roofs against Prospective leaks. However, it does come with a caveat—once applied, the bond is incredibly strong, making any future removal challenging and potentially damaging to the surfaces it is adhered to. Despite its many benefits, some users find the application process to be somewhat cumbersome due to the product’s sticky and gooey texture. Careful preparation, including the use of masking tape, can help mitigate messiness during application. A few users have experienced issues with color discrepancies upon receiving their product, so double-checking color specifications is recommended before ordering. Overall, Sikaflex-221 is frequently regarded as a miracle product for those looking for serious adhesion and sealing capabilities, albeit with a warning to Consider removal difficulties before committing to its use. **
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Pros
- Exceptional bonding strength and durability
- Provides a watertight seal
- Suitable for various materials, including aluminum and RVs
- Dries quickly and remains somewhat flexible
Cons
- Extremely difficult to remove once cured
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
Verified buyer
“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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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“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
Verified buyer
“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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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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PHP 1926
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Features & Benefits
- Permanent elastic adhesion
- Excellent cut and tear resistance
- Maintains strength and adhesion over the long haul
- Weather-resistant, sandable, paintable
- NSF approved for potable water and incidental food contact
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