Project Description: Provide Three (3) Each 3\'6\" x 7\'0\" x 1-3/4\" and Two (2) Each 2\'8\" x 7\'8\" x 1-3/4\" Solid Wood Core Doors with ply-backed Mahogany for Exterior Use for DAGS, Kauai District Office (25-04) Fiberboard Backed Skin is Prohibited. Door Shall be Stamped 20 Minute Fire Rated by Manufacturer.