* An easy to use, Polyurethane based Expanding Foam for general Construction and Home Improvement applications * For FILLING large, irregular or awkward gaps where the foam will expand to completely fill the cavity. * FIXING  window and door frames and boards. * INSULATING between brickwork and cladding, around ductwork and through cavities carrying pipes and cables. * For BACKING as a joint backing material, can be used with all types of sealants. * Size: 500ml