Ridge Board In Roofing

This video shows how to make roof rafters with a rafter square and or a speed squ.

Ridge board in roofing.

Its only job is to provide a connection point for the roof joists on each side of the roof. The ridge board must be set as perfectly as possible so take your time and use careful measurements. Ondura 12 5 in x 39 5 in cellulose fiber asphalt roof panel ridge caps. 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.

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 beams are required by code if the roof slope is less than 3 in 12 irc section r802 3. Ridge board the engineering principles of the ridge board are a bit more complicated. Ridge beam sizing is based on the span of the beam between supports and the amount of roof load supported by the beam.

Ridge boards and beams. The top board at the peak of a roof. A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to. The ridge is the peak where two sloped roof sections meet.

Also measure the length of half of the roof from one side of the ridge beam to the edge of the building. Ridge boards are boards that serve as part of the support system for roofs on many types of buildings. Definition of ridge board in construction. Metal sales universal ridge 14 in x 122 in steel roof panel ridge caps.

Essentially the spine of a conventional stick framed roof the ridge board is sandwiched between the meeting ends of the roof rafters. For pricing and availability. Part of a roof s frame a ridge board runs horizontally along the peak of a sloped roof. If you re using a roofing calculator press the pitch button to input the pitch ratio in the calculator s memory.

The rafters terminate against the ridge board unless the framing is designed to bear rafter against rafter with no ridge board. What is ridge board. 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. If the roof rises 7 inches 18 cm for every 1 foot 0 30 m its pitch would be written as 7 12.

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.