4” STYROFOAM™ Brand Insulation is the thickest STYROFOAM™ that is typically available. It is mostly found in commercial applications where either a higher R-Value are required or where there is a need for thicker void fill under a slab or planted areas. Since it is not commonly used, the 4” STYROFOAM™ insulation is usually only available in full lifts of 24 sheets.


Additional Information
Application : Construction
Density : Various
Insulation Value :