11 March 2007

RIDGE JOINT - ROOF BRACING














The ridge is stiffened with a galvanised mild steel gussett plate to each web of the rafters. The bracing is flat strap or bar (not rod) tensioned by turnbuckles. The bar is directly fixed to the channel and gusset flange.
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Introduction

I passed this site just after Christmas on my push bike. At first glance it appeared to be an ubiquitous portal frame. However the shining relfections from the frame signalled that it was different. The portal frame was not your normal hot rolled steel UB section but cold rolled. The type you usually see in those kit garages and barns, but this spans 20m!