Ridge Board Of A Roof

Rafters are nailed to the ridge board and run down to overhang the exterior wall.

Ridge board of a roof.

The rafters support the sides or slope of the roof. This video shows how to make roof rafters with a rafter square and or a speed squ. The ridge board runs the length of the building and provides support for the tops of the rafters helping the whole roof structure work together as a system. The rafters and trusses that are part of the overall roof structure are connected along the body of the ridge board helping to create a durable framework that protects the rooms of the structure underneath.

Rafters and a ridge board are the key components of a roof framing system. The engineering principles of the ridge board are a bit more complicated. Ondura 12 5 in x 39 5 in cellulose fiber asphalt roof panel ridge caps. The pitch of a roof determines the height of the ridge board that runs the length of the house.

A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to. Ridge boards shall be at least 1 inch nominal thickness and not less in depth than the cut end of the rafter irc section r802 3. A 1 in 12 roof pitch roof rises 1 inch for every 12 inches of run. For pricing and availability.

The ridge board forms the peak and ties the rafters together side to side and end to end. Also measure the length of half of the roof from one side of the ridge beam to the edge of the building. So the ridge is basically the peak of a roof but ridge also refers to the board or beam that is used in building the ridge. Ridge boards and beams in traditional house framing also called stick framing a basic roof frame consists of opposing pairs of sloping rafters that meet at their top ends at a ridge board or ridge beam.

Carpenters measure roof pitch as inches of rise per 12 inches of run. Ridge boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12. The ridge board and rafters are the strength of the roof. Because the ridge board is a smaller member typically only an inch thick sometimes even less it is not a structural member and doesn t carry the gravity load.

Other elements like gable studs and cross ties supply additional bracing. If the roof rises 7 inches 18 cm for every 1 foot 0 30 m its pitch would be written as 7 12. Its only job is to provide a connection point for the roof joists on each side of the roof. Specifically the ridge board is a section of solid timber or metal that is positioned horizontally along the line of the ridge of the roof.