Overhead Door recycles unused Douglas-fir from mills and fuses it with exterior grade resins and wax to form a hard-working homogenous door panel. Specially formulated to resist moisture, these door panels actually outperform wood in tests of weather and time. Because of their unique composition, all EcoBuilt™ garage door panels use 100% recycled wood fiber and are SCS Certified: Minimum 88% Recycled Content.