EF BLOCK- ICF home in Rio Verde, AZ.
EF Block (Earth Friendly Block) is made from 87% recycled styrofoam. Equal to R-40 insulation. 700 percent stronger than wood frame. Bugs don't nest or eat EF Block. 4 hours fire rating. 60% less cost for concrete fill. Sound resistant, and mold & mildew resistant. visit our website at www.efbm.com or call our office (480) 830-5393