Evostik fire rate foam filler is a modified one component polyurethane foam for the filling / sealing of joints and gaps requiring fire resistant properties. The foam expands rapidly after dispensing and quickly cures to a fine honeycomb structured foam by reacting with atmospheric moisture. It has excellent thermal and acoustic insulation properties and forms a strong bond to most construction materials. The propellant used has no ozone depleting potential. The product is supplied in pressurised aerosol canisters that forms an airtight seal to prevent transmision of smoke. Achieves 4-hours fire rating.Tested to BS476: Part 20. Size: 700ml
