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Backing Rod sponge 20mm X 50m 4 Pcs (200Lm/Bag)

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Backing Rod sponge 20mm X 50m 4 Pcs (200Lm/Bag)- 100% brand new and high quality.- 4pcs/lot.- Size: 20mm x 50m.- Material: sponge.- Color: white.- 100% brand new and high quality.- 4pcs/lot.- Size: 20mm x 50m.

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    - Prices excluding delivery costs.
    - The above price may vary depending on the availability of raw material price, delivery and minimum order quantity.

            

    Delivery with in 2 days
    Combo Roof Backing Rod

    An extruded closed cell polyethylene backing rod designed for filling static and dynamic joints with varying degrees of expansion. 
    White color

    • Extremely pliable and compressible.
    • No bond to most sealants and easy to apply.
    • Easy to install.
    • Different rod diameters.
    • Good water & temperature resistance. • Suitable for use with cold-applied sealants
    Such as:
    Silicone, Polyurethane, Polysulphide, Acrylic, Bitumen, etc.
    • Unlimited shelf life.

    Backing Rod acts as a backup material for joint sealants, providing the sealant with the proper thickness. 
    It also as a bond breaker, preventing mastic sealant from bonding to it (avoiding three-sided adhesion), allowing for the most efficient joint movement and design.

    Backing Rod should be fixed with a blunt tool. 
    Precautions should be taken to avoid cutting or puncturing the surface skin. 
    Avoid excessive longitudinal stretching of the rod when installing. 
    The rod diameter should be approximately 25% larger than the joint width.