Ridge Board For 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.

Ridge board for roof.

The ridge board must be set as perfectly as possible so take your time and use careful measurements. A ridge board or beam runs through the tops of rafters or trusses from end to end along a gable roof tying those framing members together. So use a tape measure to find the height of the roof above the top wall of the building. For pricing and availability.

This type of framing is a specially designed rafter layout and requires precise and experienced erection. The rafters bear most of the weight of the roof. The rafters terminate against the ridge board unless the framing is designed to bear rafter against rafter with no ridge board. Definition of ridge board in construction the top board at the peak of a roof.

Ridge board the engineering principles of the ridge board are a bit more complicated. 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. Also measure the length of half of the roof from one side of the ridge beam to the edge of the building.

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. 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. 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. 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.

Ridge boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12. The ridge board holds them in place. Ondura 5259 4 in x 39 5 in cellulose fiber asphalt roof panel ridge caps. 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.