Polystyrene is used to produce foam board insulation with a variable R-worth of 3.8 for every inch to five for every inch, dependant upon irrespective of whether it’s expanded polystyrene (styrofoam) or extruded polystyrene, that may be identified with the blue or pink coloration.Last but not least, attach a piece of rigid foam in addition to the

Cellulose insulation, which can be comprised of recycled paper that’s taken care of for fire resistance, packs tightly amongst the joists.We may perhaps get paid earnings within the products readily available on this web site and be involved in affiliate packages. Find out more › Adding ample attic insulation is a wonderful way to guard your ho