Under-Slab Insulation: This method involves putting insulation material beneath the concrete slab. Rigid foam insulation boards or spray foam insulation are generally employed for less than-slab insulation. Underneath-Joist Insulation: For suspended floors, you'll be able to install insulation material under the floor joists to create a thermal barrier. Rigid foam https://reidfqyfj.blogofchange.com/34308255/the-smart-trick-of-cieling-insulation-that-no-one-is-discussing