Skip to main content
EERE » BTO » Building America » Solution Center Home » Image Gallery » The exterior walls of this home consist of two wall cavities: a 2x6 wall with plywood sheathing plus 8-inch I-joists sheathed with engineered wood; both cavities are dense-packed with cellulose for R-60 total.

The exterior walls of this home consist of two wall cavities: a 2x6 wall with plywood sheathing plus 8-inch I-joists sheathed with engineered wood; both cavities are dense-packed with cellulose for R-60 total.