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Through
continual development of design, materials and methods of construction,
IG is able to maintain its market - leading position as the UK’s
foremost supplier of high performance doors. When you specify or
buy an IG door, you invest in a range of built-in benefits:
CONSTRUCTION
Whether you choose a steel or glass reinforced polymer door, you
get the performance to ensure long, trouble-free life. IG Original,
Steel Woodgrain and Glass Reinforced Polymer doors are engineered
to be dimensionally stable, putting an end to winter expansion and
summer contraction. They will not warp, bow, crack or swell thanks
to their method of construction, which also ensures minimal maintenance
requirements.
Original and Steel Woodgrain doors are formed from two 24 gauge
steel surfaces permanently bonded to a rigid polyurethane core and
glued around timber stiles. The steel surfaces are galvanised both
sides and factory primed as standard to ensure long-term protection
against corrosion. For minimal environmental impact, the polyurethane
core is CFC and HCFC free and is zero rated for ozone depletion
potential. To eliminate knots and to increase strength and stability,
timber stiles are finger jointed.
Glass Reinforced Polymer doors are constructed in exactly the
same way with glass reinforced polymer skins replacing the steel
surfaces. Tough enough to resist dents and to minimise the effect
of scratches, glass reinforced polymer is completely resistant to
all that the weather can throw at it.
THERMAL PERFORMANCE
With their high performance insulating cores, IG doors have outstanding
thermal performance. With a U value through the door of 0.55W/m2K,IG
doors have up to four times the thermal insulation of timber doors.
In addition, the doors’ construction allows most types of
hinge to be used without affecting the thermal break. This means
that with no inner-to-outer skin contact the thermal barrier remains
intact, preventing condensation forming on the internal face of
the door.
DRAUGHT PROOFING
To keep out the wind and the rain, the head and jambs of frames
are fitted with high quality, compression weatherstrip. In addition,
frames can be fitted with a unique, patented adjustable sill made
from high quality aluminium and PVC extrusions or with a Stormguard
Trimline sill. Weather sealing is further enhanced by the generous
18mm doorstop, which also helps to improve security. The result
is draught proofing designed to withstand the extremes of the British
climate.
GLAZING
In order to provide the maximum opportunity for creating individual
entrances, IG offer a very wide range of glazing options all conforming
to BS 6206 and BS 5713.
Standard sealed double-glazed units have 4mm toughened or 6mm
annealed clear or obscure glass in a wide choice of designs.
The Touch of Elegance range combines timeless design with the
finest quality, whilst the Touch of Colour range offers the attractiveness
of traditional leaded glass in a modern form. The Touch of Silk
series features a sand etched design, whilst a Georgian bar is the
feature of the Touch of Brass range. The Touch of Privacy design
offers a simple, convenient means of controlling light and privacy.
(See IG Decorative Glazing)
The Touch of Elegance range combines timeless
design with the finest quality, whilst the Touch of Colour range
offers the attractiveness of traditional leaded glass in a modern
form.
The Touch of Silk series features a sand
etched design, whilst a Georgian bar is the feature of the Touch
of Brass range. The Touch of Privacy design offers a simple, convenient
means of controlling light and privacy. (See Decorative
Glazing)
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DECORATION
IG Original doors are primed with a highly weather-resistant ‘baked-on’
acrylic paint ready for hand or spray finishing with good quality
exterior paint.
IG Steel Woodgrain doors can be supplied
with a factory-applied timber effect finish in Mahogany, Walnut
or Oak, or paint finish in red, blue, green or white. IG Steel Woodgrain
doors are supplied primed as standard ready for on-site finishing.
IG Glass Reinforced Polymer doors can be
supplied finished in Oak, Walnut or Mahogany stain, or painted red,
blue, green or white. IG Glass Reinforced Polymer doors are supplied
primed as standard ready for on-site finishing.
PRE-HUNG UNITS
Factory assembled pre-hung units ensure that door and frame are
perfectly matched and that all seals are completely effective. With
no locks to cut on site, pre-hung units reduce on site labour costs.
In addition, the loose pin hinges allows doors to be quickly and
easily removed and stored safely during the construction process.
HINGES
All IG doors are fitted with high performance hinges that meet the
requirements of BSEN 1935. With security interlocking in the closed
position to provide resistance to physical attack, the hinges have
been subjected to exhaustive testing. Fitted to a 40 kg door, they
have successfully survived 200,000 operations and, with yellow zinc
plating for maximum corrosion resistance, have withstood a 5% salt
spray for 96 hours, ensuring that IG specification provides good
security as well as long-term durability.
FRAMES
Frames are available in softwood, hardwood or PVCu. For maximum
protection, softwood frames are Vac-Vac treated - a double vacuum
process that ensures preservative is drawn deeply into the timber.
Frames are then finished with a dual-purpose yellow primer ready
for staining or painting on site. Manufactured at IG’s Cwmbran
facility, frames can be readily customised to particular requirements.
Sills are available in hardwood or synthetic material to choice.
BUILDING REGULATIONS - PART M
In order to comply with Part M of the Building Regulations, IG offers
a special sill (see Part M Frames)
and doors 845mm wide to give a clear minimum opening of 775mm (and
914mm wide to give a clear minimum opening of 850mm for local authority
and housing association projects).
SECURED BY DESIGN
IG offer a range of Secured by Design doors specially designed to
meet the Police Preferred Specification detailed under the scheme.
These doors have been successfully tested at a UKAS accredited test
laboratory for compliance with PAS 23 and PAS 24. (See Secured
by Design Doors)
SERVICE
Based in Cwmbran, IG is able to service the UK through networks
of technical sales representatives and maintenance engineers. Technical
representatives are able to call upon the company’s technical
advisory department who draw upon practical experience and expertise
accumulated since 1979.
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