Gable Wood Roof Framing

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.

Gable wood roof framing.

Putting it together is relatively straight forward if you have basic carpentry skills and use precise measurements. 4 12 through 9 12 are the most common pitches. Here we have a wood framed gable roof. Vertical rise over horizontal run.

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. 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 procedure for erecting a simple gable roof.

The valley is formed where. Type of roof because it is braced by four hip 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. In the u s it is defined by the rise in inches to a 12 run.

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. Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is. These hip rafters run at a 45 angle from each corner of the building to the ridge. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.

A gable roof is a simple symmetrical triangular roof. Framing a gable roof building a gable with barge end purlin struts and collar ties. Let s consider a basic gable wood roof framing design. 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.

In traditional framing the framing members that form the. Continuing on from part 3. And the line length measurement from the roof peak to the building wall is the hypotenuse. A disadvantage of the hip roof is that it is more difficult to construct than a gable roof.

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. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. 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.