Underneath-Slab Insulation: This method will involve inserting insulation product beneath the concrete slab. Rigid foam insulation boards or spray foam insulation are generally used for underneath-slab insulation. Manufacturers normally attach a facing (which include kraft paper, foil-kraft paper, or vinyl) to act as a vapor barrier and/or air barrier. Batts https://johnathanvewyu.slypage.com/34335702/a-secret-weapon-for-cieling-insulation