Overhead sectional doors are generally used in commercial buildings, and are
ideal for installation on industrial warehouses; this type of door provides excellent
insulation properties.
An important characteristic of this door system is that the door is mounted to the
internal face of the opening; this has the advantage of keeping the full clear
opening width and height available for access.
Sectional overhead doors can be adapted to the requirements of the architect,
the builder and end user.
The door is made up of horizontal sections, which are interconnected by hinges,
low noise rollers which are fitted with industrial quality ball bearings are used to
guide the door leaf, in the vertical tracks when opening and closing the door.
A variety of track options are available, allowing the door to to open either
horizontally above the door opening, or vertically or following the line of a sloping
roof.
A spring shaft system, consisting of a steel shaft and counterbalanced torsion
springs, ensures the weight of the door is fully compensated in any position.
A number of door panel designs are available. Customers are able to choose
between panels with a completely smooth surface, panels with a smooth or
stucco embossed surface, with a range of plastisol, and powder coat finishes
available.
Manual operation by means of a continuous galvanised hand chain, or 'push up'
with pull down cord. Electric operation by means of 415 volts 3Ph. or 240V supply
drive motor with emergency disconnection and hand chain or push up operation
in the event of power failure.
Cable tensioning devices are fitted as standard to all doors. Rubber seals are
fitted to the top and bottom of each door with PVC seals to each side of the
opening for protection against weather.
The following options are available to enhance the versatility of the door
Personnel access doors, integrated windows, electronic operation, various track
arrangements, powder coat finish and plastisol finish |
