Door Construction Clause Samples
Door Construction. The door shall be 3' X 7' X 3/4", 18 gauge galvanized steel, insulated (minimum R12), primed, painted and installed flush with the door check, door stop, weather stripping, mortise lockset and stainless steel ball bearing hinges.
Door Construction. Thickness as indicated by owner, extruded—aluminum tubular rail and stile members. Mechanically fasten corners with reinforcing brackets that are deep penetration and fillet welded or that incorporate concealed tie rods.
a. Thermal Construction: High—performance plastic connectors separate aluminum members exposed to the exterior from members exposed to the interior.
Door Construction. A. Doors shall be full flush 1 3/4" doors, fabricated from 16 gauge.
B. Doors shall be reinforced by laminating panels to vertical steel stiffeners and the complete unit closed with steel perimeter channels projection welded to face sheets. Edges of doors are non-beveled with full height visible seams.
C. Top and bottom channels shall be 16-gauge steel, projection welded to both face sheets.
D. Hinge reinforcement shall be a continuous 11-gauge channel or a segmented reinforced l6 gage channel for 1-3/4" doors and l6 gauge for 1-3/8" doors. Lock reinforcement shall be a continuous 16 gage channel. Closer reinforcements shall be 12-gauge box type 18" long.
E. Top channel shall be filled with epoxy and ground smooth when required.
F. Embossed doors shall be manufactured the same as flush doors in 20 or 18 gauge. Face sheets shall be embossed with six panels and laminated to a polystyrene core.
G. Steel stiffened doors shall be reinforced with minimum 22 gage hat shaped stiffeners welded to the inside of each face sheet at a maximum of 6" on center. Mineral wool shall be used to fill spaces between stiffeners.
H. Temperature rise doors shall be designed to 250 degrees provide temperature rise rating.