The arrangement of snow protection systems must be planned and designed for the snow loads in accordance with EN 1991-1-3 and the national annex. The snow protection measures required for solar and photovoltaic systems on PREFA roofs must also be agreed with the owner of the building.
Tray widths and clip spacings should be adapted to project location and wind load specifics. In areas with higher wind loads, clip spacings and tray width should be decreased. Please find simplified dimensioning tables in the relevant standards and technical regulations or the chapter “Processing and installation” of this document.
Note
For assistance with calculations for projects in exposed locations, please contact the PREFA Product Technology Department at office.uk@prefa.com.
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