Gambrel Roof Framing Design

Framing a gambrel roof site built trusses are a speedy way to frame this traditional barn shaped roof.

Gambrel roof framing design.

A rhode island builder shows how he built trusses for this classic roof shape right on the job site simplifying a procedure that can be slow and cumbersome. This model comes standard with 6 tall sidewalls however the roof profile goes up in height rapidly so that this shed is similar to the tall peak model in overall height and volume. Comparlaoa of three raftergambrel and standard gambrel barn roofs the comparisonwas made between the three raftergambrel usinga combinationof14 10 and 8 foot raftersections and the standard gambrel using a combination of14and 12 foot raf tersections. Compare measuring and cutting studs to framing a house it s sort of like that.

Our plans can be built in most us locations. Figure 4 givesthe dimensions. Should they be of 1 2 or 3 4 plywood. Nail along the edges of the osb or plywood driving the nails into the rafters every 8 inches 20 cm with 8d common nails.

There are many ways to frame this. Have a building specialist contact me. Building a gambrel roof 14 ft x 20 ft first time tackling one of these. The other books show how to lay out and measure rafters but they don t explain how to build your roof.

There is a huge difference. Start with the top corners of the roof first. Bothwere roof shapes stable underallcustomary dead loads for34 foot bams. Late 19th century builder guides show this gambrel framing concept which the author has emulated using modern materials.

My simple little roof had had both gable and hip details that overlay vaulted sections. Place the osb or plywood on the top portion of the rafters and make sure that the edges run flush. Do gussets really provide good strength. Our garage plans are to designed to irc building code conventional framing details.

The look of a country barn without the height requirement of the tall gambrel. All behm design garage plans include foundation plans and details using industry standard materials and assemblies. Many of the plans use manufactured roof trusses and others use conventional rafter and joist framing.