Gable Roof Framing Terms

Common types of roofs and basic framing terms.

Gable roof framing terms.

A gable roof is a simple symmetrical triangular roof. When repairing or replacing a roof it pays to be familiar with these terms. 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. By upper third here we mean one third of the length of the rafter from ridge to top plate.

3 part of a suspended timber floor construction that provides a level bearing and. 2 part of a flat roof structure that receives the ends of the flat roof joists. It is simple in design economical to construct. The picture above shows the plan view of a gable roof ladder trusses are made up using four noggins bridging at each corner to support a rafter outside the building.

To build your gable roof you ll need wooden boards cut into joists rafters supports and a ridge board in addition to sheathing felt paper and shingles. Putting it together is relatively straight forward if you have basic carpentry skills and use precise measurements. 1 part of a pitched roof construction that receives the feet of the spars sp ars and ceiling joist ends. 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.

Roofs are basically five types. Shed gable hip gambrel and mansard. Gable a gable roof has a ridge at the center and slopes in two directions. After the gable is framed lookouts extend from the first rafter inside the gable wall out over the plates to support the overhanging barge rafter.

Here is a closer look at common roofing terms. Definition of collar tie in roof framing. It is the form most commonly used by the navy. The edge of a roof which runs from eaves to ridge at a gable.

A collar tie is a horizontal roof rafter compression connector that is located in the uppermost third of the span of a pair of opposed sloped or gable roof rafters. Includes illustrations that show roofs have hip rafters ridge boards jack rafters and more. Framing a gable roof building a gable with barge end purlin struts and collar ties. An example of each is shown in figure 2 1.

Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult. Another common design in the northeast is the saltbox which is a gable roof with one longer side. 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. In finding this location we do not count the additional length of the rafter that supports the roof eaves overhang or soffit.

Gable roof framing calculator plan diagram with full dimensions for a good straight fascia add an extra inch or 2 to the tails of all your rafters total length.