TOP GUIDELINES OF WALL INSULATION

Polystyrene is used to build foam board insulation that has a variable R-value of three.8 for each inch to five for each inch, according to whether it’s expanded polystyrene (styrofoam) or extruded polystyrene, that may be discovered via the blue or pink coloration.The easiest method to ascertain the amount attic insulation will Value for your pr