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HiFold Doors
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'Hi-Fold' Vertical Doors for Maximum Clearance

The range offers sizes of up to 20 m wide x 6 m high with external fit thus maximising inner space. Operation is automatic and, when open, the doors form a canopy to protect from sun and rain. Cladding may be insulated and finished to match or complement the building's appearance.

Hi-Fold Doors can be used on both new and refurbishment projects particularly for industrial, commercial, warehousing, aviation, agricultural and marine facilities.

Hi-Fold doors are CE marked thus complying with the EC Directives for the health and safety elements of design.

  Hi-Fold, folding doors

Hi-Fold, folding doors
   
DESCRIPTION
Composition, manufacture The door comprises welded steel, hollow section, red primer painted framework with two full width door sections that are hinged across the horizontal centre line of the door and also to the underside of the steel lintel. Auxiliary arms support the door in the fully open position and are stored against the jamb posts when the door is closed. 		Hi-Fold, folding doors
The door is winched up and down by means of steel cables anchored from the top horizontal frame member, and wound around a horizontal steel tubular shaft assembly positioned internally. The shaft is driven by a 240 v, single phase, electric motor complete with internal 24 v push button unit, via sprocket and chain drives. Remote control/safety packages are available. A generator socket, replacing the standard isolator, enables the end-user's generator to be easily connected to allow automatic operation in the event of power failure.

Cladding is of standard EP1000/32 vertical box profile with plastisol finish, HP200 leathergrain range in standard masterline colours, complete with internal push pad/latch. Special cladding can usually be used.

Insulation is 40 mm thick thermaliner that comprises a CFC-free, rigid urethane core with an upper facing of white acrylic coated, embossed aluminium foil and a reverse facing of Kraft paper supported aluminium foil, giving a U value of 0.45W/M2 /°k.

Seals comprise a PVC weather seal to the top of the door, compressed neoprene seals fitted to door posts and between upper and lower door sections and a flexible rubber bulb seal to the bottom of the door.

Locking An auto latch mechanism is situated internally each side of the door, providing high security and ensuring that the door is fully sealed against the frame. The latches are automatically activated when the door is operated.

Windows Aluminium framed vision panels are available offering a clear light size of 685 mm x 335 mm. Special sizes are available. Glazing is to client's requirements. Polyester powder coated to BS or RAL colour range.

Personnel door is supplied complete with internal push pad/latch and raised threshold on inside only to clear drive shaft. Finish is plastisol HP200 leathergrain range in standard masterline colours.

Dimensions
Clear Opening Width Height
minima 2.6m 2.1m
maxima 20m 6m
Head room: 600mm approx (700mm on smaller doors)
Side room: 150mm each side

DESIGN CONSIDERATIONS
The Hi-Fold door requires a lintel with flush face externally, set at full structural height of door, (as opposed to clear height), in line with the flush face of the door posts. The lintel and door posts need to be exposed externally, free of cladding and flashings, to allow unhindered operation of the door gear.

Click diagram for schematic Hi-Fold, folding doors
   

 

 

 

Tel : +44 (0) 1494 715558

sales@aidoors.co.uk