Share 'Building sub floors'

     When building your subfloor you should not rely on the plate insulation or wood to wood to prevent air infiltration from happening. Rim joists and plates are a big source of air infiltration of homes. There are many different ways to seal these areas, including caulking, rubber gaskets, foam seals, closed  cell spray insulation, house wrap, and maybe more that I didn't mention. As of other p…