Description: OADC3630 Outdoor Enclosed Aluminum Frame Directory Board with a Satin Anodized Finish are made of custom extruded parts engineered to provide accurate durable and handsome Cabinet. The unit is vented for moisture reduction and the rear panel is weatherized. All corners are neatly mitered and assembled with heavy duty reinforcements and fasteners. Lockable doors are mounted with a full length piano hinge and feature acrylic safety glass windows and a thick rubber door seal. The fixed rear panel is a vinyl cover letter board designed to accommodate changeable letters with tabs spaced on 1/4 centers. Concealed mounting brackets are provided.