Fire stop barriers in expanding foam

Fire Stop Foam Fire stop barriers in expanding foam Single-component expandable sealant foam for filling and fire sealing of small crossing gates on cable duct channels that have been previously compartmented with FSB bags and small gaps. Each canister covers a volume of approximately 20 L. Made from a fire resistant polyurethane based foam Graphite fortified Hardens upon contact with air Suitable for the protection of plasterboard walls or slabs