Gable Roof Framing Terms

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.

Gable roof framing terms.

When repairing or replacing a roof it pays to be familiar with these terms. 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. Definition of collar tie in roof framing. Common types of roofs and basic framing terms.

Here is a closer look at common roofing terms. 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. Framing a gable roof building a gable with barge end purlin struts and collar ties. It is the form most commonly used by the navy.

Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult. Putting it together is relatively straight forward if you have basic carpentry skills and use precise measurements. 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. Shed gable hip gambrel and mansard.

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. 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. Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. Gable a gable roof has a ridge at the center and slopes in two directions.

It is simple in design economical to construct. 1 part of a pitched roof construction that receives the feet of the spars sp ars and ceiling joist ends. 2 part of a flat roof structure that receives the ends of the flat roof joists. 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.

3 part of a suspended timber floor construction that provides a level bearing and. Roof framing involves a lexicon all its own. The edge of a roof which runs from eaves to ridge at a gable. Roofs are basically five types.

An example of each is shown in figure 2 1. A gable roof is a simple symmetrical triangular roof. Framing a dropped gable wall one of the keys to framing the rake with my system is building a dropped gable end wall the top of which is 3 1 2 inches below the tops of the rafters. By upper third here we mean one third of the length of the rafter from ridge to top plate.

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.