Valley Jack Roof Definition

Hip valley cripple jack rafters are placed between the valley and hip rafters.

Valley jack roof definition.

Beams that extend from the corner of the plate to the ridge. 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. Roof but a valley rafter is needed on both hip and gable roofs whenever roof planes intersect. A rafter extending from the roof ridge down to the top plate of a wall at the intersection of a gable extension roof that itself abuts or intersects with the main roof.

Valley jack rafters run roofs but they are quite rare and require special framing from the valley rafters to both ridges. This jack does not touch the ridge or the roof plate. A metal bracket used to support toe boards on steep slope roofs. A jack rafter is a shortened com mon rafter that may be framed to a hip rafter a valley rafter or both.

The total rise of hip and valley rafters is the same as that of common rafters. This is because the old valleys used to be galvanised and they start corroding with time especially if they trap leaves. Figure 2 37 intersecting roof with unequal spans. Hip valley cripple jack rafter.

Valleys are formed at the intersection of the roofs. Formed by the intersecting ridges. A short rafter running parallel to common rafters cut between hip and valley rafters. The roof of irregular shaped buildings.

A direction to the side at about 90 degrees. Beams that are placed between hip rafter and valley rafter. A rusty valley on a tile roof which needs to be replaced. Roof beams that run from the plate to the hip rafter.

An intersecting roof with unequal spans requires a supporting valley rafter to run from the inside corner. 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. Extend from the ridge to the valley rafter. Thus there are hip jack rafters and valley jack rafters.

Similarly jack rafters sometimes get referred to as either hip or valley. An assembly of interacting roof components includes the roof deck vapor retarder if present insulation and roof covering. One of the shorter rafters used in a hip or valley roof. In the sketch above the valley rafter is drawn in yellow.

Definition of valley rafter or cripple jack rafter. Smooth surfaced or mineral surfaced coated prepared felts. So as a result creepers get called cripples with the addition of the terms hip or valley for good measure.