Gable Roof Valley Framing

At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing.

Gable roof valley framing.

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. A valley rafterforms a depression in the roof instead of a hip. The valley is formed where the two different sections of the roof meet generally at a 90 angle. For a good straight fascia add an extra inch or 2 to the tails of all your rafters total length.

Where two gable roof lines meet the intersection forms inside corners called valleys. 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. 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. Gable roof framing calculator plan diagram with full dimensions.

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. To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. Therefore the pitch of the valley rafter is 12 in 17.

This type of roof is more complicated than the figure 2 1 most common types of pitched roofs. 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. Tie a new gable or hip roof to an existing gable or hip roof with valley rafters which perform the same function as ledgers. 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.

Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs. Strip the roofing from the old roof at the connection point to. 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. A roof for insulation solar panels and bedrooms intersecting roofs and gable ends form an interesting roofline and allow for usable space on the second level.

The diagonal rafter that runs from the intersection of the ridges down to the top of the walls at the inside.