By addressing heat loss and keeping out drafts, you can transform a lofted room into a cozy and energy-efficient part of your home ... or spray foam insulation for the roof space.
soggy insulation loses its fluff factor that gives it a thermal efficiency. This creates an energy loss as heat (or air conditioner efforts) go right out of your home and jack up your energy bills.
They have "concerns over poor fitting" trapping in moisture and leaving "roof timbers at risk of decay", said the BBC. Of course, the spray-foam insulation in many homes may have been correctly ...