Mastic Sealant in White


Bostik Non Skinning Mastic (5612) is specifically formulated as a bedding or gasket style sealant. It remains in a soft plastic state providing a dust proof, weatherproof and flexible seal in a variety of construction and manufacturing materials.


    • Excellent UV light resistance in glazing applications.

    • Tenacious adhesion to nearly all surfaces.

    • Good service temperature range (-35?C to 65?C).

    • Indefinite ageing characteristics.

  • Cost effective.


    • Cool room wall component sealing.

    • Sea container metal to metal lap joints.

    • Air conditioning flange joint sealing.

    • Glazing seal.

    • Bedding or internal sealing of construction fitting such as

    • aluminium windows or flashing.