Soudal 454800 Soudafoam Gap Fill High Expansion, Genius Gun, Champagne Seafoam gap fill is a one component and moisture curing pu-foam. The product will expand up to 3x its original size during curing, therefore it is mostly being used for filling larger gaps and cracks, or cavities that are difficult to reach. Features High expanding gun foam, excellent filling characteristics Excellent adhesion to all building materials (except PE, pp and PTFE) Very high insulation values, both thermal and acoustical, easy application Excellent form stability - no shrink, no post expansion No shrinkage, cfc propellants free - harmless to ozone layer USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.