Gambrel Roof With Ridge Beam

The ridge itself has got an undercut with a double slant for fastening of angled elements.

Gambrel roof with ridge beam.

These simple but elegant gambrel roof structures have been popular on hay barns for many years. Peculiarities of gambrel roof constructing to frame a gambrel roof that is to meet all requirements of reliability and durability you should observe following conditions. Choose a ridge board that is one size larger than your common rafters. That a conventional barn sized gambrel is a nightmare of purlin beams ridge beams and dovetail.

For 2 x 4 rafters use a 2 x 6 ridge board. Leave ridge beam for shed construction page. We like common rafters between each truss thereby giving a rhythm to the roof structure. For 2 x 6 rafters use a 2 x 8 ridge board and so on.

The common rafters are often smaller than the truss timbers to differentiate between the primary and secondary timber frame elements. Gambrel roof trusses on one side have an oblique cut for attachment to the ridge beam. Figure 4 givesthe dimensions for the roofs. Area under roof the same gross areawas taken forboth roofs.

The ridge board s length will be the outside measurement of the building plus the length of the overhang at both ends. I can t ever recall seeing a saltbox shed built with a ridge beam or even a gambrel roof shed for that matter. The gross areaof the three raftergpnbrelwas taken. Bothwere roof shapes stable underallcustomary dead loads for34 foot bams.