C100018 (EN)
GypCeiling MF suspended ceiling fixed to 150mm thick lightweight concrete joist floor (90kg/m2) to give a 240mm cavity and lined with one layer of Gyproc SoundBloc 12.5mm with 100mm Isover Spacesaver Ready-Cut in the cavity.
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Sound Insulation (Airborne) Rw (dB)
61
Sound Insulation (Airborne) Rw + Ctr (dB)
51
Sound Insulation (Impact) Lnw (dB)
60
Standards
| Standards | Standard types |
|---|---|
| StandardsBS 2750-3,Measurement of sound insulation in buildings and of building elements. Laboratory measurements of airborne sound insulation of building elements. | Standard types |
| StandardsBS 2750-6,Measurement of sound insulation in buildings and of building elements. Laboratory measurements of impact sound insulation of floors. | Standard types |
Products
| Ceiling board | Layer 1: Gyproc SoundBloc 12.5mm |
| Suspension fixing | British Gypsum Wafer Head Jack-Point Screws 13mm Gypframe MF11 Nut and Bolt |
| Soffit connection | Gypframe MF12 Soffit Cleat |
| Framework fixing (alternative) | Gypframe MF9 Connecting Clip |
| Suspension type | Gypframe MF8 Strap Hanger |
| Suspension type (alternative) | Gypframe FEA1 Steel Angle |
| Perimeter framing | Gypframe MF6 Perimeter Channel |
| Secondary framework | Gypframe MF5 Ceiling Section |
| Primary framework | Gypframe MF7 Primary Support Channel |
| Ceiling screws | Layer 1: British Gypsum Drywall Screws 25mm |
| Sealant | Gyproc Sealant |
| Framework fixing | British Gypsum Wafer Head Jack-Point Screws 13mm |
| Insulation | Layer 1: 100mm Isover Spacesaver Ready-Cut |
Details
This section should be read in conjunction with the Products list.
- Framework Fixing: Ceiling sections fixed to primary framework using wafer head screws or clips.
- Finishing Requirements: To achieve the specified performances, the system should be finished using either one of our Thistle or ThistlePro plasters, or Gyproc jointing products. See the product range guides on the British Gypsum website for more information.
- Loadbearing: No
- Maximum Ceiling Load (kg/m2): 30 kg/m²
- Other Requirements: SpecSure® system performance warranty confirms that British Gypsum proprietary systems will perform as specified for the lifetime of the building. The SpecSure® warranty requires that all components are specified in full and constructed in accordance with British Gypsum’s installation guidance. For more details see the British Gypsum website. Always check with the design team before making any changes to the chosen specification, ensuring appropriate substantiation is sought to confirm that the solution still meets all required project performances.
- Perimeter Framing: Perimeter channel suitably fixed to background at 600mm centres.
- Screw: Fix ceiling boards securely to all supports at maximum 230mm centres (reduced to 150mm at board ends and at ceiling perimeters). Fix working from the centre of each board. Position screws not less than 13mm from cut edges and 10mm from bound edges of boards. Set screw heads flush with plasterboard surface; do not break paper or gypsum core.
- Sealant: Locate sealant at junctions with adjoining structure and other air paths. Apply as a continuous bead to clean, dry, dust-free surfaces, leaving no gaps.
- Structural Background: 150mm thick Beam & Block Floor (90kg/m2)
- Approx. Weight (kg/m2): 12 kg/m²
- Maximum Cavity / Plenum (mm): 5600 mm
- Minimum Cavity / Plenum (mm): 240 mm
- Primary Framework Centres (mm): 1200 mm
- Secondary Framework Centres (mm): 450 mm
- Suspension Type: Strap hanger should be used for suspension up to 1000mm. Steel angle section can be used up to 5600mm.
- Suspension Type Centres (mm): 1200 mm
Documents
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Test Reports
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| Test report label | Test report name |
|---|---|
| Test report labelSound Insulation Test Report | Test report nameBGATR 806 |
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SpecSure
A unique warranty that confirms British Gypsum proprietary systems will perform as specified for the lifetime of the building.