Everbuild-Gun-Grade-Expanding-Foam-Everbuild-EVGF7-P-Gun-Grade-Expanding-Foam-from-Everbuild-is-a-quick-setting-polyurethane-based-foam-which-expands-greatly-on-application-&-yields-up-to-50-times-original-can-contents-Can-be-cut-sawn-plastered-&-sealed-over-after-Approx.-one-hour-P-Everbuild-EVGF7-Gun-Grade-Expanding-Foam-750ml