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Description

Ceiling systems to timber joists, widely used in the construction of both residential and commercial sector buildings. They can be used to cover a wide range of design objectives, including aesthetic, acoustics, environmental, safety and performance requirements.

General information
Specification data - Gypsum board suspended ceiling systems
Product Reference

RTC 003: Direct-to-Timber

System weight: 48 kg/m²; Minimum thickness: 247 mm; Fire performance: 30 minutes; Acoustic performance: 40 dB sound reduction; Impact sound insulation: 78 dB.

RTC 004: Direct-to-Timber

System weight: 48 kg/m²; Minimum thickness: 247 mm; Fire performance: 30 minutes; Acoustic performance: 42 dB sound reduction; Impact sound insulation: 75 dB.

RTC 012: Direct-to-Timber

System weight: 35 kg/m²; Minimum thickness: 235 mm; Fire performance: 30 minutes; Acoustic performance: 38 dB sound reduction; Impact sound insulation: 78 dB.

RTC 014: Direct-to-Timber

System weight: 52 kg/m²; Minimum thickness: 247 mm; Fire performance: 30 minutes; Acoustic performance: 44 dB sound reduction; Impact sound insulation: 75 dB.

RTC 016: Direct-to-Timber

System weight: 50 kg/m²; Minimum thickness: 252 mm; Fire performance: To BS 476-21: 60 minutes; to BS EN 1365-2: 30 minutes; Acoustic performance: 43 dB sound reduction; Impact sound insulation: 72 dB.

RTC 017: Direct-to-Timber

System weight: 38 kg/m²; Minimum thickness: 252 mm; Fire performance: 30 minutes; Acoustic performance: 52 dB sound reduction; Impact sound insulation: 69 dB.

RTC 018: Direct-to-Timber

System weight: 37 kg/m²; Minimum thickness: 237 mm; Fire performance: 60 minutes; Acoustic performance: 41 dB sound reduction; Impact sound insulation: 76 dB.

RTC 020: Direct-to-Timber

System weight: 55 kg/m²; Fire performance: 60 minutes; Acoustic performance: 48 dB sound reduction; Impact sound insulation: 70 dB.

RTC 023: Direct-to-Timber

System weight: 50 kg/m²; Minimum thickness: 252 mm; Fire performance: To BS 476-21: 120 minutes; to BS EN 1364-2: 90 minutes; Acoustic performance: 45 dB sound reduction; Impact sound insulation: 70 dB.

RTC 028: Direct-to-Timber

System weight: 38 kg/m²; Minimum thickness: 235 mm; Fire performance: 30 minutes; Acoustic performance: 44 dB sound reduction; Impact sound insulation: 75 dB.

RTC 029: Direct-to-Timber

System weight: 54 kg/m²; Fire performance: 30 minutes; Acoustic performance: 47 dB sound reduction; Impact sound insulation: 71 dB.

RTC 037: Direct-to-Timber

System weight: 34 kg/m²; Minimum thickness: 235 mm; 30 minutes; Acoustic performance: 41 dB sound reduction; Impact sound insulation: 77 dB.

RTC 051: Direct-to-Timber

System weight: 55 kg/m²; Minimum thickness: 269 mm; Fire performance: 60 minutes; Acoustic performance: 55 dB sound reduction; Impact sound insulation: 62 dB.

RTC 052: Direct-to-Timber

System weight: 37 kg/m²; Minimum thickness: 233 mm; Fire performance: 30 minutes; Acoustic performance: 38 dB sound reduction; Impact sound insulation: 77 dB.

RTC 061: Direct-to-Timber

System weight: 43 kg/m²; Minimum thickness: 254 mm; Fire performance: 30 minutes; Acoustic performance: 40 dB sound reduction; Impact sound insulation: 76 dB.

RTC 065: Direct-to-Timber

System weight: 38 kg/m²; Minimum thickness: 235 mm; Fire performance: 30 minutes; Acoustic performance: 40 dB sound reduction; Impact sound insulation: 79 dB.

Jointing

Insert requirement(s) from manufacturer's literature.

Sealer

GTEC Drywall Sealer

Ivory, pre-decoration coat for plasterboard.

GTEC Universal Sealer

For use on plasterboard prior to painting for improved whiteness and covering power.

Accessories

None

GTEC Resilient Bar

For RTC 017, RTC 051 and RTC 061 only, 450 mm centres (maximum).

Standard product features

GTEC Intumescent Acoustic Sealant:

Perimeter sealing to restrict smoke, sound and fire penetration. Ensures system performance.

Fixings:

GTEC High Thread Screws.

Product Options

Product reference:

- RTC 003: Direct-to-Timber:

  • Ceiling inner layer: One 12.5 mm-thick GTEC Standard Board.
  • Ceiling outer layer: One 12.5 mm-thick GTEC Standard Board.
  • Structure: 47 x 200 mm joists at 600 mm centres (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 30 minutes.

- RTC 004: Direct-to-Timber:

  • Ceiling inner layer: One 12.5 mm-thick GTEC Standard Board.
  • Ceiling outer layer: One 12.5 mm-thick GTEC Standard Board.
  • Insulation: 100 mm-thick 10.5 kg/m³ glass mineral wool (supplied by others).
  • Structure: 47 x 200 mm joists at 600 mm centres (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 30 minutes.

- RTC 012: Direct-to-Timber:

  • Ceiling outer layer: One 12.5 mm-thick GTEC Standard Board.
  • Structure: 47 x 200 mm joists at 400 mm centres without noggings (supplied by others).
  • Flooring: 18 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21): 30 minutes.

- RTC 014: Direct-to-Timber:

  • Ceiling inner layer: One 12.5 mm-thick GTEC E Board.
  • Ceiling outer layer: One 12.5 mm-thick GTEC E Board.
  • Insulation: 100 mm-thick 10.5 kg/m³ glass mineral wool (supplied by others).
  • Structure: 47 x 200 mm joists at 600 mm centres without noggings (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 30 minutes.

- RTC 016: Direct-to-Timber:

  • Ceiling inner layer: One 15 mm-thick GTEC Standard Board.
  • Ceiling outer layer: One 15 mm-thick GTEC Standard Board.
  • Structure: 47 x 200 mm joists at 600 mm centres with noggings (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance: To BS 476-21: 60 minutes; to BS EN 1365-2: 30 minutes.

- RTC 017: Direct-to-Timber:

  • Ceiling outer layer: One 12.5 mm-thick GTEC dB Board.
  • Insulation: 100 mm-thick 10.5 kg/m³ glass mineral wool (supplied by others).
  • Structure: 47 x 200 mm joists at 600 mm centres (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 30 minutes.

- RTC 018: Direct-to-Timber:

  • Ceiling outer layer: One 15 mm-thick GTEC Fire Board.
  • Structure: 47 x 200 mm joists at 600 mm centres with noggings (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 60 minutes.

- RTC 020: Direct-to-Timber:

  • Ceiling inner layer: Existing lath and plaster with chicken wire and battens at 400 mm centres.
  • Ceiling outer layer: One 15 mm-thick GTEC Fire Board.
  • Structure: 47 x 200 mm joists at 450 mm centres without noggings (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 60 minutes.

- RTC 023: Direct-to-Timber:

  • Ceiling inner layer: One 15 mm-thick GTEC Fire Board.
  • Ceiling outer layer: One 15 mm-thick GTEC Fire Board.
  • Structure: 47 x 200 mm joists at 450 mm centres with noggings (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance: To BS 476-21: 120 minutes; to BS EN 1364-2: 90 minutes.

- RTC 028: Direct-to-Timber:

  • Ceiling outer layer: One 12.5 mm-thick GTEC dB Board.
  • Insulation: 100 mm-thick 10.5 kg/m³ glass mineral wool (supplied by others).
  • Structure: 47 x 200 mm joists at 600 mm centres with noggings (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 30 minutes.

- RTC 029: Direct-to-Timber:

  • Ceiling inner layer: Existing lath and plaster with chicken wire and battens at 400 mm centres.
  • Ceiling outer layer: One 15 mm-thick GTEC Standard Board.
  • Structure: 47 x 200 mm joists at 450 mm centres without noggings (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 30 minutes.

- RTC 037: Direct-to-Timber:

  • Ceiling outer layer: One 12.5 mm-thick GTEC Fire Board.
  • Structure: 47 x 200 mm joists at 600 mm centres with noggings (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 30 minutes.

- RTC 051: Direct-to-Timber:

  • Ceiling inner layer: One 15 mm-thick GTEC dB Board.
  • Ceiling outer layer: One 15 mm-thick GTEC dB Board.
  • Insulation: 100 mm-thick 10.5 kg/m³ glass mineral wool (supplied by others).
  • Structure: 47 x 200 mm joists at 450 mm centres without noggings (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 60 minutes.

- RTC 052: Direct-to-Timber:

  • Ceiling outer layer: One 15 mm-thick GTEC Standard Board.
  • Structure: 47 x 200 mm joists at 400 mm centres without noggings (supplied by others).
  • Flooring: 18 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 30 minutes.

- RTC 061: Direct-to-Timber:

  • Ceiling outer layer: One 15 mm-thick GTEC Standard Board.
  • Insulation: 100 mm-thick 10.5 kg/m³ glass mineral wool (supplied by others).
  • Structure: 47 x 200 mm joists at 400 mm centres (supplied by others).
  • Flooring: 22 mm-thick tongue and grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21 and BS EN 1365-2): 30 minutes.

- RTC 065: Direct-to-Timber:

  • Ceiling outer layer: One 12.5 mm-thick GTEC Standard Board.
  • Insulation: 100 mm-thick 10.5 kg/m³ glass mineral wool (supplied by others).
  • Structure: 47 x 200 mm joists at 450 mm centres with noggings (supplied by others).
  • Flooring: 22 mm-thick tongued-and-grooved chipboard (supplied by others).
  • Fire performance (to BS 476-21): 30 minutes.

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