Gable And Valley Roof Construction

Wide especially when the eave overhang is less than 12 in.

Gable and valley roof construction.

Use 1 2 in 1 3 cm plywood to cover the entire surface of your roof. Where two gable roof lines meet the intersection forms inside corners called valleys. Avoid gable ends that are over 8 in. Roofs are framed in five basic designs.

Again don t be tempted just to look the names put in a bit more effort to try to remember all the names of the individual components. The diagonal rafter that runs from the intersection of the ridges down to the top of the walls at the inside. When designing a gable end eave without a return the dimensions to look at are the width of the trim set between 6 in. Hip and gable roof components.

Put roof sheathing on top of your roof. Thick and the overhang from the side wall set between 12 in. Shed gable hip gambrel and mansard. The gable is the most common and it can be complicated with multiple roof lines including valleys and dormers.

In order to build any but a shed type roof including trusses you ll need to first determine a few factors. The span rise run and line length. 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.

Place a piece of the plywood on the bottom corner of your roof making sure the edges are on a rafter beam.