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Finish: Electrostatically applied polyester
paint. High opacity formulation to an optimum thickness of 45 microns.
Colour: Standard White colours either BS 00E55 12% gloss
or RAL 9010 20% gloss. Other BS or RAL colours available on request.
Specified colour to be controlled to Delta E tolerance of 0.5.
Acoustic insert: See
Acoustics
Suspension system: Burgess H4 concealed grid system comprising
primary grid section ref: GT112 suspended from the soffit at 1500mm
maximum centres by galvanised mild steel angle hangers ref: GT114.
Hangers to be secured to primary grid using M6 or equivalent fixings.
45mm wide x 29mm deep x 0.8mm thick galvanised mild steel Spring
Tee bars, ref: GT115, to be connected to the primary grid using
Universal Bracket, ref: GT109, at centres corresponding to tile
length.
Perimeter Trim: Galvanised mild steel perimeter trim, ref:
GT119, colour and finish to match tile.
Fire Performance: The ceiling system must be fully tested
in accordance with BS 476 Parts 6 and 7 and be of such performance
as to be designated CLASS 'O' under United Kingdom Building Regulations.
The ceiling system must be fully tested in accordance with BS 476
Part 8 and be capable of providing 1 hour fire protection to steel
beams.
Acoustic Performance: Full consideration must be given
to the acoustic contribution of the ceiling.
An appropriate acoustic insert is to be provided to achieve:
Sound Absorption NRC ______
Sound Attenuation Dncw ______
Recommended Manufacturer: Burgess Architectural Products
Limited, Leics., England.
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