THE GREATEST GUIDE TO CRAWL SPACE INSULATION

Polystyrene is employed to produce foam board insulation that has a variable R-value of three.8 per inch to 5 per inch, according to whether it’s expanded polystyrene (styrofoam) or extruded polystyrene, which can be determined with the blue or pink shade.When you consider household insulation normally, fiberglass insulation might be what you ima