Gable Wood Roof Framing

Type of roof because it is braced by four hip rafters.

Gable wood roof framing.

A gable roof is a simple symmetrical triangular roof. Here we have a wood framed gable roof. Intersecting the intersecting roof consists of a gable and valley or hip and valley. These hip rafters run at a 45 angle from each corner of the building to the ridge.

The valley is formed where. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. 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. Let s consider a basic gable wood roof framing design.

3 inch rise per 12 run is a 3 12 pitch roof. 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. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. 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. A disadvantage of the hip roof is that it is more difficult to construct than a gable roof. In traditional framing the framing members that form the. 4 12 through 9 12 are the most common pitches.

Continuing on from part 3. Framing a gable roof building a gable with barge end purlin struts and collar ties. Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is. And the line length measurement from the roof peak to the building wall is the hypotenuse.

Wood lumber standard ps 20 provide for framing lumber surfaced to standard sizes at the unseasoned condition s grn at 19 percent maximum moisture content s dry. 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. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. In the u s it is defined by the rise in inches to a 12 run.

The run or half the building span is the base of the triangle. The procedure for erecting a simple gable roof. 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.