44 mm thick steel doors shall conform to the specification of
ANSI A250.8-2003/HMMA 861-06/SDI 100.
“LL” doors are made full-flush or seamless type (optional). Face sheets are commercial quality cold rolled steel conforming to ASTM A1008/A 1008M-02, A653/A 653M-01 Galvanized or A666-00 Stainless Steel.
Doors are mechanically interlocked, hemmed, and vertical edges have no visible seams on faces. Claded inside with lead sheet. Face sheets are totally supported by a foamed-in-place polyurethane core. The core fills the entire door cavity and is chemically bonded to all interior surface. Density of foam exceeds 36kg/cm3. The top and bottom door edges are closed flush by 1.5 mm steel channels welded in place.
1.25 mm/ 1.5 mm
Conforming to ANSI/NFPA 80-1999 Up to 20 mins
Hinges preparation non handed. Hinge are mortised for 4-1/2” (Standard) or 5”, standard and heavy weight hinges, 4.5mm steel reinforcement are welded inside the door edge and are drilled and tapped for fastener in accordance with ANSI A156.7-2009. The lock edge has a square edge and is prepared for GOV series 86, 160/161 or 90 locks in accordance with ANSI A115 or Euro lock. Hardware reinforcement meet or exceeds ANSI A250.6-2003 (R2008)
Doors shall be provided one coat of oven–cured neutral color primer paint. Primer coat shall conform with ANSI A250.10-1998 (R2004) . The primer coat is preparatory base for necessary finish paint.