Shed to Tiny: insulating over subfloor

The shed has some spray foam insulation underneath,  but I don’t know the R value. Can’t really see much of the spray foam, so not sure what kind of condition… The shed has some spray foam insulation underneath,  but I don’t know the R value. Can’t really see much of the spray foam, so not sure what kind of condition…Read MoreGreenBuildingAdvisor