voestalpine Metsec purlins roof bracing

Roof Bracing Requirement Checklist

ComponentDuo-pitch <25°Mono-pitch <25°Steep slopes >25°Tiled roofsNon-restraining cladding
Slope lengthAll SlopesAll SlopesAll SlopesAll Slopes
Every 20m
Every 20m
Eaves braceYYYYYY
Anti-sag rodsY**
Round lok apex tieYY
45 x 45mm lateral supportYYY
Bolted apex strutYYY
* May be required for wind uplift or temporary support during sheeting see Anti-sag Rods for recommendations.
† and Purlin spacings >2.4m in heavy cladding applications