Ridge Board On 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.

Ridge board on roof.

For pricing and availability. Ridge board the engineering principles of the ridge board are a bit more complicated. Carpenters measure roof pitch as inches of rise per 12 inches of run. A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to.

Ridge beams are required by code if the roof slope is less than 3 in 12 irc section r802 3. Ondura 5259 4 in x 39 5 in cellulose fiber asphalt roof panel ridge caps. If you like this video please subscribe to my channel https. Metal sales universal ridge 14 in x 126 in steel roof panel ridge caps.

The top end of each rafter is cut at an angle so that it meets flush with one broadside of the ridge board and the ridge is sandwiched between the rafters. Ridge boards and beams. Rafters are nailed to the ridge board and run down to overhang the exterior wall. If you re using a roofing calculator press the pitch button to input the pitch ratio in the calculator s memory.

A 1 in 12 roof pitch roof rises 1 inch for every 12 inches of run. 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. 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. If the roof rises 7 inches 18 cm for every 1 foot 0 30 m its pitch would be written as 7 12.

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. Also measure the length of half of the roof from one side of the ridge beam to the edge of the building. In this video i just want to show you how to join a ridge if you can t get a long enough length. Its only job is to provide a connection point for the roof joists on each side of the roof.

Ridge beam sizing is based on the span of the beam between supports and the amount of roof load supported by the beam. The pitch of a roof determines the height of the ridge board that runs the length of the house.