Acoustic Cradle & Batten (C40 & C60)

The versatile cradle and batten system with unique, patented, recycled rubber crumb cradles comply with Robust Detail FFT2. Widely used where Pre-Completion Testing is required and in refurbishment and new build projects, these systems can be levelled on-site to eliminate variations in the structural floor surface and can accommodate services.

Applications

  • Robust Detail FFT2
  • Pre-Completion Testing
  • New Build
  • Refurbishment / Material Change of Use
  • Timber Floor - Level
  • Timber Floor - Uneven
  • Concrete Floor  - Level
  • Concrete Floor - Uneven
  • Timber frame
  • Floor Levelling Capability
  • Access for Services
  • Decking

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Acoustic Performance

Floor System C40 & C60 Floor System C40 & C60
STRUCTURAL FLOOR - Timber STRUCUTURAL FLOOR - Concrete
Test No. F87 Test No. F66
AIRBORNE - 54dB DnTw + Ctr AIRBORNE - 56dB DnTw + Ctr
IMPACT - 50dB LnTw IMPACT - 42dB LnTw
Floor system was tested with an appropriate ceiling system Floor system was tested with an appropriate ceiling system
Please consult InstaCoustic before specifying an acoustic system. The structure has a bearing on the overall performance. Please consult InstaCoustic before specifying an acoustic system. The structure has a bearing on the overall performance.

Components

  • Acoustic Cradles
  • Cradle Base Packers
  • Timber Battens
  • Acoustic Insulation Quilt
  • Chipboard / Plywood
  • Resilient Flanking Strip

System Detail

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System Weight (kg/m²)
C30 20
CK30 25
C40 20
C60 20

Increasing Floor Heights

When increased finished floor heights are required, to cater for specific design criteria, deep services or very uneven sub-bases, cradle base packers or deep cradle battens are available for rapid, cost-effective height adjustment. The cradle base packers may be used in multiples to achieve the desired finished floor height. Deeper battens are generally used in larger projects and where a consistent high void is required.

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Access Runs

Access runs can easily be created by the introduction of removable boards cut to suit. Ensure that the access run boards and adjoining floor boards meet in the centre of a batten and that the access boards are supported by the introduction of cross-battens located with the cradles. Additional battens and cradles may be required to suit the position of the access runs.

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Acoustic Cradle and Batten Spacing

System Batten Size (mm)
Width x Depth 
Cradle Centres
(mm)
Batten Centres
(mm)
Chipboard
(mm)
Plywood
(mm)
C30 43 x 43 300 300 18  
  43 x 35 300 300 18  
  43 x 25 300 300 18  
CK30 43 x 43 300 300   18 or 22
  43 x 35 300 300   18 or 22
  43 x 25 300 300   18 or 22
C40 43 x 43 600 400 18  
  43 x 35 450 400 18  
  43 x 25 300 400 18  
C60 43 x 43 600 600 22  
  43 x 35 450 600 22  
  43 x 25 300 600 22