FIBSEAL PU 21
PRODUCT DESCRIPTION: Fibseal Pu 21 is an elastic, single component, gun-grade, moisture curing polyurethane sealant specifically developed to be used in building facade expansion joints where high elasticity is required. The product is suitable for sealing joints in pre-cast elements, external walling, curtain walling and cladding, panel walls, window and door perimeter sealing etc.