In this video tutorial, viewers learn how to seal gaps in houses using DAP foam sealant DAP 3.0 Weather seal caulk. The DAP products are designed to meet the tough standards demanded for professional window & door installations while effectively sealing large cracks, gaps and voids. Users learn to use the foam sealant to seal in gaps from inside the house. The gaps found behind wall trims. The seal caulk is used outside around windows. This video will benefit those users who want to learn how to simply seal gaps, cracks and voids. This video will also benefit those who do home renovation and insulation.