Gable And Valley Roof Construction

Put roof sheathing on top of your roof.

Gable and valley roof construction.

The span rise run and line length. Roofs are framed in five basic designs. 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. 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.

Wide especially when the eave overhang is less than 12 in. To 18 in depending on the style of the building. The gable is the most common and it can be complicated with multiple roof lines including valleys and dormers. Shed gable hip gambrel and mansard.

When designing a gable end eave without a return the dimensions to look at are the width of the trim set between 6 in. Thick and the overhang from the side wall set between 12 in. The diagonal rafter that runs from the intersection of the ridges down to the top of the walls at the inside. Avoid gable ends that are over 8 in.

Place a piece of the plywood on the bottom corner of your roof making sure the edges are on a rafter beam. In order to build any but a shed type roof including trusses you ll need to first determine a few factors. Use construction nails 6 in 15 cm apart to secure the plywood around the outer perimeter and along each support. Hip and gable roof components.

Hip and gable roof components plan view of the hip and gable roof that you are going to build.