Hip And Valley Roof Framing Plan

Attach 4 6 centering rafters and lift the ridge beam into place.

Hip and valley roof framing plan.

Here roofs are constructed with an angle of 90 degrees. For any roof slope expressed as x in 12 rise in run the hip and valley factor is determined by finding the square root of rise run 2. Such buildings may have more than four hips in the roofs and they form valleys at the inside corners. Stone and horizontal siding hug the exterior of this 3 bedroom ranch house plan topped by a hip and valley roof a hallway off the formal entry leads to two family bedrooms separated by a full bath which they share the heart of the home is rear facing and open creating a cozy space for easy interactions with family and friends.

Define ridge board rafter hip valley sheathing fascia soffit dormer and pitch. A hip and valley roof may be part of an irregular structure. Now outline the biggest rectangle inside the building layout. Transfers the load of the roof.

Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. The point at which all the rafters are attached to. Parts of a roof a ridge board is a horizontal member of the roof frame. Remember that a line on the framing plan indicating a rafter represents the total run of the rafter but not its actual length.

Intersecting the intersecting roof consists of a gable and valley or hip and valley. Parts of a roof the main structural parts of a roof are ceiling joists ridge board jack rafter hip rafter common rafters creeper rafters raking plates out riggers and noggings or last rafter overhang. Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same. Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results.

The hip and valley factor varies according to the slope of the roof as shown in the table below. These hip rafters run at a 45 angle from each corner of the building to the ridge. A corner fireplace offers warmth throughout the shared spaces. This type of roof is also called broken back hip and valley roof because the main hips are intconeected by the rafter of gables on one side and the rafter of the valley on the other.

The valley is formed where the two different sections of the roof meet generally. Now draw the centerlines for all rectangles that are formed inside. The first step in the process of erecting the hip roof is to get the ridge beam into place at the top of the roof. Place the 4 6 common rafters in their designated positions along the 2 longest walls and nail them firmly to the wall with a nail gun.

First of all you need to design the layout of building. Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries. On a hip roof framing plan the lines that indicate the hip rafters ec ac kg and ig in figure 18 3 form 45 angles with the edges of the building. Part of a framing plan for a hip roof is shown infigure 18 3.

A disadvantage of the hip roof is that it is more difficult to construct than a gable roof.