Evostik expanding polyurethane foam filler that fills seals and insulates it adheres to most building materials and can be cut sanded plastered and painted bonds to most building materials except polyethylene teflon silicone oils and greases mould release agents etc cured foam is heat resistant from 40 c to 43 100 c good heat sound insulation piston can also available which enables the can to be used at any angle to reach difficult areas size 750 ml