This Everbuild EVBEVGF7 Pro Gun Grade Expanding Foam 750ml is a quick setting polyurethane-based foam which expands greatly on application yielding up to 50 times the original can contents. It can be cut, sawn, plastered and sealed over after approximately one hour, ideal for all building applications, will fill irregular gaps, fixes framework, insulates and deadens sound. The EVBEVGF7 is designed for regular and professional use in conjunction with Gun Foam Applicators. Specification Size 750ml.