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Standing Seam Roofing Wind Loads

Clip spacings must be set out as per the manufacturer's data for the design wind load of the building.

Wind-induced noise can also be an issue in high-wind areas with winds above 20m/s. It can be minimised by specifying a narrower pan width and closing clip centres. Further noise reduction can be gained by putting a concave shape into the pan, which can be achieved by:

  • installing longitudinal stringers (e.g., a 10 mm batten) under the centre of the tray or
  • installing strips of compressive material along the purlins.

Geotextile mat layers have the most significant effect on noise attenuation, but the added cost of such should be weighed against the expected benefits

 

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Revision Category: 
3 - Substantial change to recommendation
Revision Detail: 

Change in recommendation.