SEAL 'N' FLEX® 1

    Bostik-SealNFlex1-Polyurethane-Sealant

    Key Features

    • Made in Australia
    • +/- 50% dynamic joint movement
    • Acoustic rated and non-staining

    One Component, Class-A Polyurethane Sealant

    Bostik Seal N' Flex® 1 is a low modulus, one component, Class-A polyurethane sealant. When cured it will form a tough and flexible seal capable of cyclic expansion and compression movement of 100% (+ 50%) of the original installed joint width.

    Recommended Uses

    Seal N’ Flex® 1 is best suited to insitu concrete and render, brickwork and blockwork, for weatherproof sealing of joints in precast and tilt up panels, and on plasterboard face and paper-lined recessed edges. It can be used internally and externally, and on control and expansion joints in façade work.

    Product Details

    • Polyurethane sealants benefit from greater joint movement capability over conventional silicone sealants. This makes Seal N’ Flex® 1 perfect for sealing larger joints between building materials, which can be concealed by painting over with acrylic-based paints.
    • +/- 50% dynamic joint movement
    • Resistant to normal weathering conditions such as rain, sunlight, snow, atmospheric contamination and pollution. Retains its original properties even after years of weather and UV exposure
    • Excellent adhesion to masonry and concrete
    • CSIRO RILEM LONG TERM SEALANT DURABILITY STUDY DBCE Doc.97/196 (M)
    • Acoustic rated and non-staining
    • Made in Australia

    Discover the full range of Seal N’ Flex® sealants in our video below.

    Associated Videos


    FAQs

    HOW DOES SEAL N' FLEX® PERFORM  FOR CHEMICAL RESISTANCE?

    All products in the Seal N’ Flex® range are resistant to dilute acids, alkalis and some solvents as well as intermittent contact with petroleum and diesel.

    CAN I USE SEAL N' FLEX® FOR IMMERSED APPLICATIONS? 

    Seal N’ Flex® products can be used in below water line applications, however are not recommended in highly chlorinated conditions, such as swimming pools. For these applications refer to Bostik for recommended product.

    HOW DOES SEAL N' FLEX® PERFORM FOR EXTERIOR DURABILITY?

    All Seal N’ Flex® products are highly suited to external applications due to their extraordinary weather and UV durability. All products in the range will resist years of exposure to the elements. 

    WHAT COLOURS ARE AVAILABLE IN THE SEAL N' FLEX® RANGE? 

    All Seal N' Flex® products are available in the base colours of black, white, and grey. Seal N' Flex® 1 600mL sausages are available in additional colours.

    HOW TO BUY THIS PRODUCT

    Use our product locator to find the nearest stockists in your area.

    CONTACT US

    If you cannot find the information you need on our website, please get in touch.

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