BP Jointseal-PU is a single component gun grade high performance polyurethane sealant, which cures to form a firm and flexible rubber watertight & vapour tight seal for moderate structural movement and control joints. It can be used in both horizontal and vertical applications on dry surface of concrete, metal, wood, tiles, marbles, glass, & PVC etc. The sealant has a Movement Accommodation Factor (MAF) of ±28%.