5CLM® Silicone


    Key Features

    • Places minimum stress on the adhesion bond between the silicone and the substrate in working joint application
    • Excellent primerless adhesion
    • Excellent elongation movement capabilities +100% / -50%

    Architectural Grade Silicone

    Bostik 5CLM® is a high performance architectural grade, low modulus, high joint movement silicone. It cures by absorption of atmospheric moisture to form a flexible and durable elastomeric sealant.

    Where to Use

    • Interior applications
    • Exterior applications
    • Commercial applications
    • Industrial applications


    • Façades
    • Composite panels
    • Curtainwall joints
    • Expansion joints
    • Control joints
    • Precast panels
    • Concrete panels
    • Composite panels
    • Polycarbonate sheeting
    • Splashbacks
    • Plaques


    • Metal
    • Aluminium
    • Anodized aluminium
    • Marble*
    • Granite*
    • Concrete
    • Copper
    • Brass

    *Stain testing must be carried out first before use on any project.

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