0 ratings
Sika Duoflex NS 2-Component, Non-Sag, Premium-Quality Polysulfide Sealant, 1.5 Gallon
Tough, elastic, rubber-like seal that stays resilient within a wide temperature range.
Sika Duoflex NS 2-Component, Non-Sag, Premium-Quality Polysulfide Sealant, 1.5 Gallon
Item #: 109073240

Sika Duoflex NS 2-Component, Non-Sag, Premium-Quality Polysulfide Sealant, 1.5 Gallon

Item #: 109073240

USD 1039

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 Tuesday, October 13
Our Top Logistics Partners
  • fedex
  • dhl
Tough, elastic, rubber-like seal that stays resilient within a wide temperature range.
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

What Stands Out

Non-Sag Formula
Designed to remain in place without sagging, ensuring a clean and neat application, perfect for vertical surfaces and overhead structures, reducing the risk of messy outcomes.
2-Component System
Offers superior bonding and durability by mixing two components, ensuring a strong, long-lasting seal that can withstand various environmental conditions, making it ideal for demanding applications.
Premium Quality
Manufactured with top-tier materials, Sika Duoflex provides exceptional resistance to weathering, chemicals, and UV exposure, ensuring longevity and reliability for both industrial and residential projects.

Product Details

Shop Sika Duoflex NS 2-Component, Non-Sag, Premium-Quality Polysulfide Sealant, 1.5 Gallon online at a best price in Palau. B0CSVCW7TG
Brand NameSIKA
UPC033886080361
Number of Items1
Included ComponentsPail
ManufacturerSika
ModelSIKA-456162
Part Number456162
Water Resistance LevelWater Resistant
Item FormLiquid
Compatible MaterialConcrete, Masonry
Style NameBronze
ColorBronze
Surface RecommendationWall, Ceiling, Floor
Supported StandardsASTM C-920
Material TypePolysulfide
MaterialPolysulfide
BrandSIKA
StyleBronze
Item Weight15 lbs (6.8 kg)

What's in the box

Pail

Who Should Buy?

Suitable For
  • Construction Professionals

    Ideal for contractors needing durable, waterproof seals in construction and renovation projects to ensure integrity and longevity.

  • Marine Applications

    Excellent for sealing joints and seams in boats and marine structures, providing resistance to water and harsh conditions.

  • Outdoor Use

    Perfect for external applications such as window frames and facade joints, ensuring effective sealing against weather elements.

Not Suitable For
  • DIY Beginners

    May pose challenges for inexperienced users due to complex mixing and application process requiring precision and skill.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is Sika Duoflex NS Sealant used for?

    Answer: Sika Duoflex NS Sealant is designed for sealing construction joints, expansion joints, and gaps in a variety of substrates like concrete, masonry, and metal. Its non-sag formulation makes it ideal for vertical applications, ensuring it maintains its shape even when applied overhead. This sealant is particularly beneficial in projects requiring durable flexibility and weather resistance, such as in roofing, flooring, and plumbing applications.
  • Question: How does Sika Duoflex NS perform compared to other sealants?

    Answer: Sika Duoflex NS stands out for its superior adhesion and flexibility compared to many traditional sealants. Its premium polysulfide formulation offers excellent chemical resistance and longevity. Unlike standard silicone or acrylic sealants, Sika Duoflex NS maintains its integrity under varying temperatures and conditions, making it a reliable choice for both indoor and outdoor applications where expansion or contraction occurs.
  • Question: Is Sika Duoflex NS safe to use in indoor environments?

    Answer: Yes, Sika Duoflex NS Sealant is safe for indoor use once properly cured. It emits low volatile organic compounds (VOCs), making it suitable for enclosed spaces where air quality is a concern. Whether you’re sealing around windows or in plumbing, users can rest assured that it won't compromise indoor air quality while maintaining robust performance.
  • Question: What surfaces can Sika Duoflex NS bond with?

    Answer: Sika Duoflex NS can bond effectively with various surfaces including concrete, brick, stone, wood, and metals. This versatility allows it to be used in a myriad of construction and renovation projects, including sealing joints in precast structures, and even in marine applications where water resistance is crucial.
  • Question: What is the curing time for Sika Duoflex NS?

    Answer: The curing time for Sika Duoflex NS varies based on environmental conditions such as temperature and humidity, typically reaching full strength within a few days. However, it can be skin-over in as little as a few hours. This allows for faster project completion while ensuring a strong, reliable seal that can withstand various stresses and conditions.
  • Question: Can Sika Duoflex NS be painted over?

    Answer: Yes, once Sika Duoflex NS Sealant has fully cured, it can be painted over with latex or oil-based paints. It's advisable to perform a test patch to ensure compatibility with the paint type. This feature makes it particularly useful for both aesthetic and functional applications where seamless integration with existing surfaces is desired.
  • Question: How do you apply Sika Duoflex NS Sealant?

    Answer: Applying Sika Duoflex NS Sealant involves mixing the two components thoroughly and using a caulking gun for precise application. Ensure the surface is clean and free of debris before applying. For larger joints, filling should be done in layers. This method not only ensures a strong bond but also enhances the longevity of the seal in various applications, from expansion joints to critical structural elements.
  • Question: Is Sika Duoflex NS resistant to UV light?

    Answer: Yes, Sika Duoflex NS is resistant to UV light, making it an ideal choice for outdoor applications. Its exceptional durability against ultraviolet radiation helps maintain its bond over time without degrading or losing flexibility. This attribute ensures that your project retains its integrity even when exposed to harsh environmental conditions, making it suitable for sealing areas like sidewalks, balconies, and outdoor structural joints.
  • Question: How do I store Sika Duoflex NS Sealant?

    Answer: Sika Duoflex NS should be stored in a cool, dry environment, away from direct sunlight and extreme temperatures. Keeping the sealant in its original packaging and tightly sealed when not in use will ensure its longevity. Proper storage is crucial for maintaining the sealant's effectiveness and to ensure that it performs optimally during application on your next project.
  • Question: Where can I buy Sika Duoflex NS 2-Component Sealant in Palau?

    Answer: You can buy Sika Duoflex NS 2-Component, Non-Sag, Premium-Quality Polysulfide Sealant, 1.5 Gallon on Ubuy. They offer a reliable shopping platform with a wide selection of products, ensuring easy access to quality materials for your projects.

SIKA Joint Sealants Editorial Review

Sika Duoflex NS 2-Component, Non-Sag, Premium-Quality Polysulfide Sealant is an exceptional choice for those seeking a robust sealing solution. Known for its water-resistant properties, this liquid polysulfide sealant is ideal for various applications on concrete and masonry surfaces, including walls, ceilings, and floors. Users have praised its easy application and excellent non-sag characteristics, which ensure a smooth finish in vertical applications. This 1.5-gallon pail provides ample material for larger projects, making it convenient for professional and DIY use alike. Sika's adherence to ASTM C-920 standards assures quality and durability, a critical aspect for long-lasting sealing.

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

  • Water-resistant for enhanced durability
  • Non-sag formula for easy application
  • Compatible with concrete and masonry
  • Suitable for various surface applications
  • Large 1.5-gallon pail for bigger projects

Cons

  • Color may not suit all design preferences

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.