Gable Roof Valley Rafter Framing

Valley rafter a no math approach to valley plates 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 valley rafter framing. Default wall in archicad. A valley rafter forms a depression in the roof instead of a hip. Porch awning patio roof front porch pergola roof front doors green roof benefits roof truss design fibreglass roof modern roofing. The roof rafters provide integral structural support to the roof.

Where two gable roof lines meet the intersection forms inside corners called valleys. 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 rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection. Intersecting the intersecting roof consists of a gable and valley or hip and valley.

If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters. 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. These hip rafters run at a 45 angle from each corner of the building to the ridge. At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing.

Diagonally upwards to the ridge. Valley rafters intersecting gable roof. Valley roof a valley is a roof design that creates a v shape. 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.

Type of roof because it is braced by four hip rafters. Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. Gable roof a gable roof is when all rafters extend downward from the ridge board beam. The diagonal rafter that runs from the intersection of the ridges down to the top of the walls at the inside.

Parts of a roof a ridge board is a. A roof for insulation solar panels and bedrooms. A disadvantage of the hip roof is that it is more difficult to construct than a gable roof. Hip roof a hip is a type of roof where all sides slope downward to the walls.

Because most framing lumber is not perfectly straight i check each piece and mark the crown before i start cutting the lumber into rafters. Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. 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.