Gable Wood Roof Framing

Here we have a wood framed gable roof.

Gable wood roof framing.

3 inch rise per 12 run is a 3 12 pitch roof. The run or half the building span is the base of the triangle. In the u s it is defined by the rise in inches to a 12 run. The procedure for erecting a simple gable roof.

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. And the line length measurement from the roof peak to the building wall is the hypotenuse. In traditional framing the framing members that form the. 4 12 through 9 12 are the most common pitches.

Vertical rise over horizontal run. A gable roof is a heavy structure and if you want to prevent your roof from collapsing you ll have to frame the structure correctly. Framing a gable roof building a gable with barge end purlin struts and collar ties. Type of roof because it is braced by four hip rafters.

A disadvantage of the hip roof is that it is more difficult to construct than a gable roof. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. Intersecting the intersecting roof consists of a gable and valley or hip and valley. The rise or height of the roof at its peak is the altitude of the triangle.

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. 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. Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is. A gable roof is a simple symmetrical triangular roof.

Let s consider a basic gable wood roof framing design. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. 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. The valley is formed where.

The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Putting it together is relatively straight forward if you have basic carpentry skills and use precise measurements. Continuing on from part 3.