Gable Roof Truss Framing

The gable shed has a roof like a house so the roof trusses will have a peak in the middle.

Gable roof truss framing. In conventional gable roof framing the slope of the roof is formed by rafters that run diagonally downward from the peak of the roof to the tops of the exterior walls of the building. If a truss roof is used with this method the gable truss is manufactured 3 shorter than the others. This roof truss is only one angle and a board that goes from high to low and back to front. A gable truss sits on the end wall of a structure and has vertical studs every 2 feet or 16 inches.

Lay the first piece of siding on the truss assembly and allow 2 inches of overhang below the bottom of the simulated top plate. Sheet gable end trusses remove the screws holding the truss rafters to the floor flip it over and put it back in place aligned with the simulated to plate. This roof is more complex because of the two different angles with the roof. When making a selection below to narrow your results down each selection made will reload the page to display the desired results.

The picture above shows the plan view of a gable roof. Then the barge or fly rafter is attached to the. Post frame roof truss 23 residential end frame 1 residential roof truss 88 style. How to build gable roof trusses.

Gable trusses are more expensive than common structural trusses because more lumber is required. Connection between top plate and gable end framing. After they re up you can snap a line to mark and trim the tails in a nice straight line to make up for any ridge warp or marking cutting and fixing errors. For a good straight fascia add an extra inch or 2 to the tails of all your rafters total length.

Trusses can be constructed with smaller sized lumber than rafters and often their cost is not significantly higher than normal rafters. That rafter outside forms the overhang for the barge boards to fix to and so the soffit boards and ventilation are continuous all the way around the structure. Ladder trusses are made up using four noggins bridging at each corner to support a rafter outside the building. Gable roof framing calculator plan diagram with full dimensions.

Framing a gable roof building a gable with barge end purlin struts and collar ties. Gable room in attic 1 post frame common 4 post frame end 2 residential common 2 residential end frame 1. A gable truss isn t structural and needs a continuous bearing support underneath such as a beam or wall. Gable roof truss calculator.

Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters.