The door and how it works
The bifolding door meets the demands of
contemporary living combined with beauty,
function and form. Door panels are configured
into a number of folds for greater versatility,
which concertina into a small space, allowing
optimum light and access into a room with
This allows for a wider opening from a house or
conservatory - extending any home so owners
can enjoy the benefits of the outdoors and their
gardens all year round.
Bifolding doors can act as a partition
between two rooms, and are ideal where a
house leads onto a patio or outside area.
WHS Halo doors are suitable for domestic,
commercial & retail applications.
Simple slide and fold operation
Using the recommended gearing ensures
that the door sashes operate smoothly and
effortlessly giving a total performance.
The door leafs are hinged to a mullion supported
by a roller mechanism which slides on tracking.
Fabricated frames are fusion welded to ensure astrong weather resistant joint.
The weld sprue left from the welding process
is either mechanically or manually removed to
leave a neat corner finish. Precise fixing of the
hardware is consistently achieved by the use of
All frames are checked for quality and accuracy
before leaving the fabrication facility.
WHS Halo PVCu bifolding door profile offers a
high quality product with aesthetic appeal. The
compact frame sections mirror the slim sightlines
of traditional wooden frames, but contain four
fully enclosed chambers for increased door
rigidity and superb thermal efficiency properties.
Cleaning and Maintenance
Periodically, wipe down the profiles with
mild liquid detergent solution as necessary.
Proprietary brands of glass cleaner may also be
used. No abrasive-cleaning agents should be
used on the profiles or hardware.
The roller tracks and guide tracks should be
cleaned regularly and kept free from dust and
debris so that the smooth operation of the
rollers is maintained. All movable parts and
locking points of the sliding hardware are to be
greased at least once a year or more depending
on the location of the door.
Check the condition of all weatherseals
annually. These maintenance measures are
particularly important in coastal locations or
inland areas which maybe subject to high levels
of air pollution.
Doors should be surveyed and installed in
accordance with the current BFP/GGF Code
of Practice. In order for the doors to operate
smoothly and the hardware to operate effectively,
it is vital that the door is fitted plumb and level.
WHS Halo Bifolding Door