| Construction |
Door leaf from 0.8mm to 1.2mm thick slip coated pre-galvanised steel sheet to ASTM
A527/ ASTM A525, JIS G 3302 or BS 2989 (1994). Zinc coating 80-120 g.m2. Lock
formed panels with internal stiffeners, 3.0mm thick hinge reinforcing, hardware
mounting plates and lock protection.
Door frame from 1.2mm to 2mm thick pre-galvanised steel sheet with mitred and
welded corners, frame stretchers, hinge reinforcing plates, fixing plates and hardware
mounting plates. |