Gable Valley Roof Framing

This roof valley is a perfect example.

Gable valley roof framing. Framing a complex roof is one of the trickiest parts of home building. Valley rafters and valley jacks. Valleys are typically found where gable dormer roofs meet the main roof or when a house has angled wings or additions where two roof sections in different planes meet. Type of roof because it is braced by four hip rafters.

Intersecting the intersecting roof consists of a gable and valley or hip and valley. And the line length measurement from the roof peak to the building wall is the hypotenuse. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. A no math approach to valley plates.

We will go over raft. Intricate roofs have many parts that incorporate several of the basic roof designs such as a gable roof sitting atop a gambrel or variations of the gable valley roof design using one or a variety of different types of roof trusses also see our very detailed diagrams showing the different parts of a roof truss. The run or half the building span is the base of the triangle. Whether you re tying in new gable dormers or adding a chimney cricket during roof framing giving the valley jacks a place to land is an easy task with these step by step instructions.

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. The valley area of a roof the straight lines formed when two different planes of the roof meet is a critical area that handles a tremendous amount of water run off. 4 12 through 9 12 are the most common pitches. A disadvantage of the hip roof is that it is more difficult to construct than a gable roof.

3 inch rise per 12 run is a 3 12 pitch roof. Also different architectural styles will use the same type of roof. This video covers one of the most exciting parts of roof framing installing rafters. Wondering how to build the structure of your roof.

In the u s it is defined by the rise in inches to a 12 run. But it doesn t have to be. The diagonal rafter that runs from the intersection of the ridges down to. These hip rafters run at a 45 angle from each corner of the building to the ridge.

The valley is formed where. Vertical rise over horizontal run. If you begin with accurate as built measurements and use a construction calculator to do the math you can cut all of the rafters for most roofs on the ground in just one shot. Where two gable roof lines meet the intersection forms inside corners called valleys.