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150mm Pre-Cast Concrete Plank with MuteMat and MF Suspended Ceiling

① 5mm MuteMat OSF 750-05

② Min. 65mm sand cement screed, or 40mm proprietary screed min. density 80 kg/m²

③ 150mm Precast Concrete Plank min. density 300 kg/m²

④ Acoustic Hangers

⑤ Min 150mm MF Suspended Ceiling

⑥ 50mm Mineral Wool Insulation 10 - 12 kg/m³

⑦ 12.5mm Soundboard min. density 10.6 kg/m²

Fitting Detail

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Installation Tips

1. Ensure all specified materials and dimensions are in accordance with the drawing.
2. Fill all holes and deficiencies between walls and floors.
3. Ensure 5mm MuteMat OSF 750-05 is laid over the entire floor surface.
4. Install flanking strips around the perimeter of the flooring treatment to isolate floor from walls and skirting.

5. Mark fixing points to the structure at 1200mm centres (to form a 1200mm x 1200mm grid). Secure each hanger with a suitable proprietary concrete fixing including steel washers to ensure fixing does not pull through acoustic rubber.

6. Fix MF Suspended Ceiling to the Acoustic Hangers. Ensure there is a minimum air cavity of 150mm.
7. Ensure insulation is tightly fitted in the void with no gaps.
8. Fix boards to steel channel with long edges at right angles to the framing. Ensure a 3mm gap is maintained around the perimeter and seal with acoustic sealant.

9. Ensure ALL flanking routes are suppressed.

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