Roof Design Does Valley Terminates At Ridge

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.

Roof design does valley terminates at ridge.

The roof load is carried on the ridge and on the walls and there is no need for collar ties or ceiling joists to resist lateral thrust. 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. Hire the best roofing. Definitions of rafter span run roof span slope collar ties.

Ridge beams are required by code if the roof slope is less than 3 in 12 irc section r802 3. Need help with your roof repair. The upper portion of a sidewall that comes to a triangular point at the ridge of a sloping roof. I see quite a few high end homes with roofs that start out as a hip roof and then the roof gets cut up by valleys and ridge beams from dormers and etc.

Definition of valley rafter or cripple jack rafter. A hip roof contains no gables. In theory a non structural ridge can support the hip rafters that are connected to the ridge. Installing a closed valley a k a.

This aluminum cap is the finished product and does not require. The ridge board is not designed to carry any roof load and the only way it works is as a triangle with rafters descending both ways from the ridge and. In a roof with a ridge board there is lateral thrust. A shingle over vent is installed over the ridge of a roof and is covered over by asphalt shingle caps that match the surrounding roof shingles.

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. A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to. Installing corrosive type metal flashing in valley. Selection of valley type is determined by materi al type roof plane slope climate and aesthetic expectations.

Ridge beam sizing is based on the span of the beam between supports and the amount of roof load supported by the beam. Roofing design types terms. Failure to extend the entire width of the metal valley flashing beyond the eave of the roof. Oh so ours is a hip and valley roof.

A type of roof containing sloping planes of the same pitch on each of four sides. Key points in all valley details are the upslope end where it terminates ridge dormer crest and unequal rafter lengths and the down slope end eave dormer to interface and intersection with side wall. Does the ridge 2x support the hip and valley beams in a hip roof. In the sketch above the valley rafter is drawn in yellow.