Insulation: • Ceilings are cellulose insulation. A heavy, dense blown insulation that fills the entire cavity and is noted for its anti-sag, fire and bug retardant qualities. • Exterior wall will be an R-13 fiberglass insulation and includes the garage walls. • All plumbing walls are insulated for sound and includes the garage walls. • An air infiltration package is included. It seals and insulates around all windows, doors, electrical outlets, floor plates an mechanical outlets of exterior walls. • Tyvek brand house wrap is included. • Garages have insulated walls, ceilings and overhead doors.