Advanced Polyurethane Foam Technology for Complete Sealing Protection

JR-PU Foam is a premium one-component, moisture-curing polyurethane foam sealant designed to effortlessly seal gaps, cracks, and voids. This portable, pre-pressurized system expands perfectly into irregular spaces, forming a long-lasting, watertight barrier. Engineered with low pressure and low expansion, it safely seals around delicate door and window frames without causing deformation. Curable and trimmable within just one hour, it is ideal for both indoor and outdoor applications, offering exceptional bonding, fixing, and insulation performance—providing complete protection against sound, heat, moisture, and air leakage.