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Gyprock Standard 6mm Round — Perforated Plasterboard
Description

Gyprock Standard 6mm Round perforated plasterboard provides economical sound attenuation in a perforated design that has been proven in projects around New Zealand

Key Features
  • Designed for use on ceilings and walls where an increased level of sound attenuation and a high level of aesthetic appeal is required
  • Standard 6mm Round is supplied as a 13mm thick sheet, 1200mm wide and 3600mm long.
  • Gyprock Standard 6mm Round features six large rectangular groupings per sheet, each with 2,100 x 6mm diameter perforations at 15mm centres to provide an open area of 8.3%.
  • The panel perforations, together with insulation, where used, reduce echo and noise reverberation
  • The long edges of the panels are recessed for flush jointing to a smooth, continuous surface.
Scope of Use
  • High traffic area ceilings in commercial foyers
  • Library ceilings
  • Theatre and auditorium ceilings and upper walls

 

Statement of Building Code Compliance

Plasterboard Manufacture:

  • Gyprock Perforated Plasterboard is manufactured to AS/NZS2588 Gypsum Plasterboard.

Plasterboard Installation AS/NZS2589:

  • Gypsum linings – Application and Finishing outlines the procedures for the installation and finishing of Gyprock Perforated Plasterboard in conjunction with additional details contained in Gyprock Technical Literature.
Other Performance Attributes

Acoustic assessment:

A material’s sound absorbing properties are expressed by the noise reduction coefficient (NRC), a simple measure that averages the absorption values over just a few frequencies. NRC typically ranges from 0 (total reflection) to 1.00 (total absorption). For perforated products, the NRC is dependent on the amount of open surface area, the type of acoustic fabric, the use of additional insulation material and the depth of the air cavity (plenum) behind the lining.

Boards in the Rigitone and Protone ranges were tested for sound absorption in CSIRO Melbourne and Auckland University laboratories. Testing was performed with air cavities of 200mm and, in some cases 600mm, with and without insulation (50mm CSR Bradford glasswool batts at 14kg/ m3 ). PKA Acoustic Consulting provided complete acoustic predictions based on this data for the Rigitone and Protone ranges and previous testing data for the Standard 6mm Round board, along with perforated and slotted resonance formula calculations, as well as their database of sound absorption coefficient and acoustic laboratory tests. The acoustic absorption results graph shows the absorption coefficients for all boards in the perforated plasterboard range, with an uninsulated 200mm cavity installation. The table in the attached brochure provides a quick comparison of the range’s NRC values. Copies of the test reports are available on request.

Documents
Data Sheet
Potter Interior Systems - Perforated Plasterboard Range Brochure

A leading supplier of building materials to the commercial industry-including ceiling panels, aluminium partitioning, acoustic and thermal insulation, whiteboards and passive fire solutions.

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