- Home Page /
- Home Improvement /
- Paint /
- Paint Supplies & Tools /
- Caulking & Sealants /
- Sealants /
- Sika Sikaflex® 221 Multi-Purpose Polyurethane...
0 ratings
Item #:
77394145
Sika Sikaflex® 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz(300ml) Cartridge - Aluminum Gray | Bundle of 2
90% of respondents would recommend this to a friend
Item #:
77394145
PHP 3186
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Saturday, September 26
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Sikaflex®-221 is a high-quality multi-purpose non-sag polyurethane sealant/adhesive that cures on exposure to atmospheric humidity to form a durable elastomer.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Versatile Application
Sikaflex® 221 excels in bonding and sealing various materials, making it ideal for both professional and DIY projects, offering flexibility in multiple surfaces and conditions.
Durable Performance
This polyurethane sealant provides exceptional weather resistance and long-lasting elasticity, ensuring reliable performance even in extreme conditions, outperforming many competitors in durability.
Easy Handling
The convenient 10.3oz cartridge allows for precise application, minimizing waste while ensuring users achieve a clean, professional finish effortlessly in every task.
Product Details
- High-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive
- Bonds well to a wide variety of substrates
- Highly elastic, durable, and resistant to aging and weathering exposure
- Can be sanded and overpainted, NSF registered, and UL listed for potable water
- Meets approvals ASTM C920 types and ANSI/UL 723 standards
- Warning: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm
| Industrial sealant type | Polyurethane Sealant/Adhesive |
| Rec. use | Seal Joints |
| Recommended surface | Metal |
| Brand | Sika |
| Color | Gray |
| Color category | Gray |
| Volume capacity | 300 ml |
| Features | Durable |
| Material | Polyurethane |
| Manufacturer | Sika |
| Weight | 1 lb (450 grams) |
| Size | 10.3oz(300ml) |
| Pieces | 2 |
| Count per pack | 2 |
| Piece count | 2 |
| Has written warranty | No |
Who Should Buy?
-
DIY Enthusiasts
Ideal for home improvement projects, providing a reliable seal and bond for various materials in a single application.
-
Professional Contractors
Perfect for construction professionals needing a dependable adhesive and sealant for a variety of applications.
-
Outdoor Applications
Works excellently for outdoor use, resisting weather elements and adhering to surfaces like wood, metal, and concrete.
-
Sensitive Materials
Not suitable for use on sensitive surfaces like polystyrene or certain plastics where damage may occur.
Product Description
Sika Sikaflex® 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz(300ml) Cartridge - Aluminum Gray | Bundle of 2
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What materials can Sikaflex®-221 bond to?
Answer: Sikaflex®-221 bonds well to wood, metals, ceramic materials, and plastics. -
Question:
Is Sikaflex®-221 safe for use in water applications?
Answer: Yes, it is UL listed for potable water in black, gray, and white colors. -
Question:
Can I paint over Sikaflex®-221?
Answer: Yes, Sikaflex®-221 can be sanded and overpainted for custom finishes.
Sika Sealants Editorial Review
Sika Sikaflex® 221 Multi-Purpose Polyurethane Sealant/Adhesive offers a durable solution for sealing joints, ideal for metal surfaces. This 10.3oz cartridge, sold in a convenient bundle of two, ensures you have ample adhesive for your projects. Users appreciate its strong bonding capability, making it a popular choice for industrial applications. While some users felt it could have better instructions for first-time use, the overall performance of this polyurethane sealant remains highly rated for its effectiveness. Additionally, it is designed to withstand various environmental conditions, ensuring long-lasting results in your sealing needs.
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Durable for various applications
- Ideal for sealing metal joints
- Convenient bundle of two cartridges
- Strong bonding capability
- Designed for industrial use
Cons
- Instructions could be clearer for first-time users
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
F
fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
LC
Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- 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.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
PHP 3186
Order now and get it around Saturday, September 26
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- High-quality multi-purpose polyurethane sealant/adhesive.
- Cures with atmospheric humidity for a durable elastic bond.
- Bonds well to wood, metals, ceramics, and plastics.
- Highly elastic, durable, and resistant to aging and weathering.
- Can be sanded and overpainted for versatile use.
- Bundle of 2 cartridges for added value.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.