California Valley Roof Framing

California valley sleeper with the roof sheathing miter angle on the face of the sleeper and the bevel angle for the plumb cut using the roof slope angle.

California valley roof framing.

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. California valley includes an actual laminate shingle like you see in the field on your roof installed parallel and is called a bleeder shingle on one side of the valley typically about 2 away from the valley center. The existing house built in the 1950 s has california okie valley framing. May be for framers that can t cut valleys.

The calculated results will give you the main roof hip rafter slope angle 13 26268 and the main roof hip rafter back angle 12 92097. Here is eric s method. First enter 4 12 for both the main and adjacent roof pitches with an eave angle of 90. The intersecting roof consists of a gable and valley or hip and valley.

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. On this house the main roof slope is an 4 12 pitch and the off angle california framing is at an 6 12 pitch. 1x8 vrustic for the sleeper 2x4 jack rafters and 1x4 ridge that s sagging 2 or 3 from the roof spreading apart. California valley roof remodeling room additions faster easier.

The first cut that i make on both the common rafters and the valley rafter is the plumb cut where the rafter will meet the ridge board. Therefore the pitch of the valley rafter is 12 in 17. A california valley is faster than cutting all of the shingles up a valley. This type of roof is more complicated than the figure 2 1 most common types of pitched roofs.

Bct 123 roof framing 2 blind valley roof. On the common rafters the plumb cut is marked with a framing square for a 12 in 12 pitch 45 and cut square i e no bevel. Project instructions remove existing valley rafters add wall fill in commons no tails. Look down the ridge of the valley metal to make sure it is straight from top to bottom and nail it off.