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Ahlada Engineering Innovation
Equipment & Machinery
Metal Doors & Framing Systems

Metal Doors Technical Specifications

Description Metal Doorsets and Frames
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.

Core material Door leaf filled with either Paper honeycomb/rockwool / Aluminium 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 over panels 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.

CORES

HONEYCOMBHONEYCOMB

  • Superlative resistance to impact
  • Smooth flat surface
  • Extreme durability
  • High shear strength
  • Prevents decay and destruction by pests
  • Versatility: permits modification

STEEL STIFFENERSTEEL STIFFENER

  • Void areas between the stiffeners are filled with glass wool or mineral wool
  • Sound retarding
  • Extra Strength for doors
  • Prevents De-formation in doors
Strength and Beyond....
Strength and Beyond....

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