Ridge Board On Roof

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.

Ridge board on roof.

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. If the roof rises 7 inches 18 cm for every 1 foot 0 30 m its pitch would be written as 7 12. A 1 in 12 roof pitch roof rises 1 inch for every 12 inches of run. Ridge boards are boards that serve as part of the support system for roofs on many types of buildings.

The pitch of a roof determines the height of the ridge board that runs the length of the house. Carpenters measure roof pitch as inches of rise per 12 inches of run. Its only job is to provide a connection point for the roof joists on each side of the roof. If you re using a roofing calculator press the pitch button to input the pitch ratio in the calculator s memory.

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. Metal sales universal ridge 14 in x 126 in steel roof panel ridge caps. Also measure the length of half of the roof from one side of the ridge beam to the edge of the building. The ridge board must be set as perfectly as possible so take your time and use careful measurements.

In this video i just want to show you how to join a ridge if you can t get a long enough length. Ondura 5259 4 in x 39 5 in cellulose fiber asphalt roof panel ridge caps. The rafters and trusses that are part of the overall roof structure are connected along the body of. Ridge beams are required by code if the roof slope is less than 3 in 12 irc section r802 3.

Rafters are nailed to the ridge board and run down to overhang the exterior wall. Ridge boards and beams. Ridge beam sizing is based on the span of the beam between supports and the amount of roof load supported by the beam. If you like this video please subscribe to my channel https.

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 the engineering principles of the ridge board are a bit more complicated.