2.1 Door Panel: Golden House HD steel-edge steel doors shall be fabricated using 4-piece construction that includes primed white 0.0215” (+/-0.0015) hot dipped galvanized strike side and hinge side steel facings, coated with multiple protective chemical layers to promote paint adhesion and deter corrosion. Top rail is finger jointed wood or steel channel. Composite bottom rail is moisture and decay resistant. Lock areas reinforced for single and double bore configurations. Door facings are to be interlocked together utilizing plastic thermal break forming a mechanical bond. Insulated core to be poured-in-place, high performance polyurethane foam (2.0 pcf minimum) forming a secure attachment to all door components. 2.1.1 Bottom rail may be machined to accept weather seal. Mounting surface for latching hardware to be reinforced with solid internal blocking. Hinge preparations with 12 gauge reinforcement plate are to be placed at MASONITE specifications
and are to be machined for standard weight full mortise 4” butt hinges. Latch preparations are to be placed at GH pecifications. Face bore(s) for cylindrical lock and deadbolt are to be 2-1/8” diameter at 2-3/4” or 2-3/8” backset and 5-1/2” on center (5-1/2” or 10-1/2” on 8’0” panels).