SIKA
0 ratings
Sikaflex 221 1-Component Polyurethane Sealant White 600ml Unipac
genuine image
Sikaflex 221 1-Component Polyurethane Sealant White 600ml Unipac
Sikaflex-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength.
Sikaflex 221 1-Component Polyurethane Sealant White 600ml Unipac
Item #: 119720492

Sikaflex 221 1-Component Polyurethane Sealant White 600ml Unipac

95% of respondents would recommend this to a friend

Item #: 119720492

STD 1200125

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
us Imported from USA store

QTY:

Order now and get it around Friday, September 25
Secured transactionsecured 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
  • fedex
  • dhl
Sikaflex-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Durable Sealant
Sikaflex 221 offers exceptional durability, ensuring long-lasting adhesion and flexibility. Its high-quality polyurethane formulation withstands harsh environmental conditions, making it ideal for both indoor and outdoor applications.
Easy Application
The 1-component design simplifies the application process, eliminating the need for mixing. This convenience saves time and reduces mess, allowing users to achieve professional results effortlessly.
Versatile Use
This sealant is versatile, suitable for various materials including wood, metal, and concrete. Its wide range of applications makes it an essential product for construction and repair projects, providing exceptional sealing solutions.

Product Details

Shop Sikaflex 221 1-Component Polyurethane Sealant White 600ml Unipac online at a best price in São Tomé and Príncipe. B0CQPN6CH3
Brand NameSIKA
UPC033886005067
Unit Count20.29 Fluid Ounces
Number of Items1
Included Componentsunipac
ManufacturerSika
ModelSIKA-90858
Part Number90858
Water Resistance LevelWater Resistant
Item FormPaste
Compatible MaterialCeramic, Metal, Plastic, Wood
Style NameWhite
ColorWhite
Material TypePolyurethane
MaterialPolyurethane
BrandSIKA
StyleWhite
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • Home Renovators

    Ideal for sealing gaps and joints in a variety of residential renovation projects, offering strong adhesion.

  • Vehicle Owners

    Useful for automotive applications, such as sealing parts against moisture and enhancing durability against extreme conditions.

  • Construction Professionals

    Perfect for professionals needing a reliable sealant for construction applications including bonding and sealing on various materials.

Not Suitable For
  • Cold Environments

    Not suitable for use in extremely low temperatures, as the sealant may not cure properly or adhere effectively.

Product Description

Sikaflex 221 1-Component Polyurethane Sealant White 600ml Unipac

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is Sikaflex 221 used for?

    Answer: Sikaflex 221 is a versatile 1-component polyurethane sealant designed for sealing joints and bonding surfaces. It adheres well to various substrates, including metals, wood, and plastics, making it ideal for construction and automotive applications. Whether you need to seal gaps in windows, doors, or roofing, its strong adhesion and elasticity ensure long-lasting performance, even in extreme weather conditions.
  • Question: Is Sikaflex 221 paintable?

    Answer: Yes, Sikaflex 221 can be painted after it has fully cured, allowing for versatile finishing options. To achieve the best results, it's important to allow the sealant to cure completely before applying paint. This feature makes it suitable for applications where aesthetic considerations are important, such as sealing during home renovations or finishing construction projects.
  • Question: How do I apply Sikaflex 221 sealant?

    Answer: To apply Sikaflex 221, ensure the surfaces are clean, dry, and free of dust or grease. Using a caulking gun, dispense the sealant evenly into the joint or seam, ensuring good contact with the substrate. Smooth the bead with a tool or your finger for a neat finish. This sealant is commonly used for both interior and exterior applications, providing a durable seal for construction and repair tasks.
  • Question: What are the drying times for Sikaflex 221?

    Answer: Sikaflex 221 typically develops a skin within a few hours, but full cure can take several days depending on environmental conditions such as humidity and temperature. This curing process allows the sealant to achieve its optimal strength and flexibility. Users should plan their projects accordingly, especially in scenarios where immediate use is planned post-application.
  • Question: Can Sikaflex 221 be used underwater?

    Answer: Sikaflex 221 is not designed for continuous underwater applications. However, it can be used in wet conditions and will cure in humid environments. For underwater applications, it’s advisable to consider specialized sealants that are specifically formulated for submerged conditions. This makes Sikaflex 221 suitable for projects like aquariums or fountains where moisture is present but not submerged.
  • Question: Is Sikaflex 221 environmentally friendly?

    Answer: Sikaflex 221 is considered low in volatile organic compounds (VOCs), making it a suitable choice for indoor applications where air quality is a concern. Although it is not completely free of chemicals, its formulation minimizes health risks, making it a better option for environmentally-conscious consumers when sealing and bonding materials.
  • Question: What surfaces can Sikaflex 221 adhere to?

    Answer: Sikaflex 221 offers excellent adhesion to a variety of surfaces including aluminum, steel, concrete, glass, and wood. Its versatility makes it an ideal choice for diverse projects across multiple industries, from automotive manufacturing to building construction, ensuring a reliable bond for your materials and enhanced structural integrity.
  • Question: How do I store Sikaflex 221?

    Answer: Sikaflex 221 should be stored in a cool, dry place away from direct sunlight and heat sources. Keeping the sealant in its original, unopened packaging will help maintain its quality. Proper storage ensures that the sealant remains usable when needed for repairs or installations, prolonging its shelf life and performance.
  • Question: Can Sikaflex 221 be used in extreme temperatures?

    Answer: Yes, Sikaflex 221 is formulated to withstand extreme temperature variations. It maintains its flexibility and adhesion from very low to high temperatures, making it suitable for outdoor applications and environments with significant temperature fluctuations. This robustness is particularly beneficial for projects in climates with harsh weather conditions.
  • Question: Where can I buy Sikaflex 221 1-Component Polyurethane Sealant White 600ml Unipac?

    Answer: You can purchase Sikaflex 221 1-Component Polyurethane Sealant White 600ml Unipac from Ubuy in São Tomé and Príncipe. Ubuy offers a convenient online shopping experience with a variety of payment options and delivery methods, ensuring you receive this essential sealant for your projects with ease.

SIKA Sealers Editorial Review

No editorial reviews found

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

  • Excellent adhesion and flexibility
  • Waterproof and weather-resistant
  • Easy to apply and work with
  • Strong durability for various materials
  • Paintable once cured

Cons

  • Curing time may vary slightly.

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9477 reviews
Read reviews
JK
Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
AG
Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
AC
Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 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.

STD 1200125

Order now and get it around Friday, September 25

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • High-quality, non-sag polyurethane sealant.
  • Cures upon exposure to humidity for durability.
  • Strong adhesive bond to wood, metals, ceramics, and plastics.
  • Low odor and non-corrosive formula.
  • Resistant to aging, ensuring long-lasting performance.
  • Listed under NSF/ANSI/CAN 61 for drinking water safety.

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.