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.
Polyurethane sealant for sealing joints in concrete, precast and tilt-up panels, brick and blockwork, plasterboard, aluminium windows, granite, sandstone, marble, GRC, fibreglass and speciality panel systems, metal curtain walls and water tanks.
For more details, please check: https://www.bostik.com/newzealand/bostik-products/Bostik_SealNFlex_1_Polyurethane_Sealant
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