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Technical Specification

Description	:	GMP Metal Doorsets and Frames
Construction	:	Door leaf from 1.0mm (1.2mm) (1.6mm) 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 (1.6mm) (2.0mm) thick pre-galvanised steel sheet with mitred and welded corners, frame stretchers, hinge reinforcing plates, fixing plates and hardware mounting plates.
Core material	:	Door leaf filled with either rockwool, honeycomb, infill dependant on duty.
Finish	:	Powder coated surface.
Fixings	:	Fixing through frame by expansion bolt. Mortar straps.
Frame Assembly	:	Welded construction with frame spreaders. Bolted frame construction. Knock-down frame construction for wrap around frames.
Glazing	:	Glazing to door leaf. Glazed overpanels in frames.
Louvers	:	Louver panels to door leaves. Fire resistant ventilators.
Fire Resistant	:	Up to 2 hours fire resistance in accordance with BS 476 Part 22 dependant on construction.
Acoustic Properties	:	Up to RW 44 for 60m thick doorleaves with special frames and ancillary seals.
Sizes	:	Up to 3000 mm high and 3000 mm wide subject to test data limitations.



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