Framing Intersecting Roof Lines

Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes.

Framing intersecting roof lines.

It extends from one gable end to the other at the peak of the roof. Lay your square in the corner of the plywood drawing working from the side of the diagonal line that represents the main roof. Rafter forms a depression in the roof instead of a hip. To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition.

The ridge board is the horizontal framing member that defines the roofline in a gable roof. This type of roof is more complicated than the figure 2 1 most common types of pitched roofs. Add the length of the overhang beyond this mark and. At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing.

Keeping the outside edge of the blade flush with the edge of the plywood slide the square until the 12 inch mark on the tongue intersects with the hip. In a standard gable roof the ridge. Is that it is more difficult to construct than a gable roof. Intersecting the intersecting roof consists of a gable and valley or hip and valley.

Like the hip rafter it extends diago nally from the top plate to the ridge. A hip rafter is called for only when framing a hip roof but a valley rafter is needed on both hip and gable roofs whenever roof planes intersect. Learn more about off angle roof framing. Explore framing complexities that result when roofs of two different pitches intersect.

Position the square at the end of the rafter board with the tongue on your left and facing away from you. A jack rafter is a shortened com mon rafter that may be framed to a hip.