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Rafter Assembly Instructions Short Rafter Section Short Rafter Section ATTENTION: The pre-punched purlin mounting holes in the short rafter sections are not centered. Before assembly, measure from the holes to the end of the rafter section and position the longer 40" section toward and connect it to the chevron, which will be at the top of the assembled rafter.
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Side Profile Connection Details When additional rafters are added to a standard building to change the rafter spacing from 6' on-center to 4' on-center, cable patterns may change for some building lengths. The Side Profile diagrams in this guide show the cable patterns for buildings with 4' on-center rafter spacing.
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Side Profile - 30' x 36' (4' Rafter Spacing) ATTENTION: Cable pattern is the same for paneled greenhouse frames where the purlins run on top of the rafters. Sample frames show the purlins attached to the underside of the rafters. Your frame may differ. Rafters Purlins 108871 Strut...
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