| Tile Face: Plain or Perforated (see Perforation
Patterns).
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: Tiles to be supported by the Burgess
15mm or 24mm exposed tee grid system, with Main Tees installed at
1200mm maximum centres and supported at 1200mm maximum centres by
rigid angle or wire hangers.
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 assessed to be capable of giving half
an hour fire protection when tested to BS 476 Part 8.
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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