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Application  >  Partitions & External Walls  >  Solid/Frameless Partition  >  PROMATECT®-H  >  Four Layer  >  Architectural Specification
 
   
 
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Architectural Specification

The following are standard Architectural Specifications for internal partition systems using PROMATECT®-H. The designer must determine the suitability of the design to the application and requirements before undertaking or constructing any works relating to the specifications and where in doubt should obtain the advice of a suitably qualified engineer.

Fire Attack From Either Side / Non Loadbearing

60 minutes of fire rating, integrity and insulation in accordance with the criteria of BS476: Part 22: 1987 and AS1530: Part 4: 2005.

 
Acoustic Performance

The partition system shall have a Weighted Sound Reduction Index of R w 35.

 
Supporting Structure

Care should be taken that any structural element that the partition system is supported from, e.g. concrete/brick wall, has equivalent fire resistance of 60 minutes.

 
Lining Boards

Four layers of 9mm PROMATECT®-H matrix engineered mineral boards as manufactured by Promat International (Asia Pacific) Ltd. Each successive layer of board must be fastened to the previous layers at 300mm centres.

 
Fixing

Galvanised steel frame made of perimeter steel angle 40mm x 40mm x 1mm thick will be fastened to the wall/floor/ceiling with 40mm x M6 masonry anchors at 600mm centres. First layer, fixed to perimeter angle using 30mm x No.8 screws at 200mm centres. Each successive layer of board must be fastened to the previous layers at 300mm centres.

 
Tests & Standards

The complete system along with the material and framing is tested in accordance with BS476: Part 22: 1987. The partition system should meet the requirements as specified under Clause 5.

 
Jointing

Plain butt joints between machined edges of boards. (1)
Joints filled in preparation for painting. (2)
Joints filled and taped in preparation for decoration. (3)

 
Follow-on Trades

Surface of boards to be prepared for painting/plastering/tiling(4) in accordance with manufacturer’s recommendations.

 
NOTES:
  • (1), (2), (3), (4) delete as appropriate.
  • Perimeter gaps will be filled with fire resistant PROMASEAL® AN Acrylic Sealant.
 
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