Ridge Board Of A 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 of a roof.

If the roof rises 7 inches 18 cm for every 1 foot 0 30 m its pitch would be written as 7 12. Ridge boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12. 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. Rafters are nailed to the ridge board and run down to overhang the exterior wall.

A 1 in 12 roof pitch roof rises 1 inch for every 12 inches of run. Metal sales universal ridge 14 in x 122 in steel roof panel ridge caps. Rafters and a ridge board are the key components of a roof framing system. 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.

This video shows how to make roof rafters with a rafter square and or a speed squ. Its only job is to provide a connection point for the roof joists on each side of the roof. A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to. Other elements like gable studs and cross ties supply additional bracing.

The rafters support the sides or slope 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. If you re using a roofing calculator press the pitch button to input the pitch ratio in the calculator s memory. For pricing and availability.

Carpenters measure roof pitch as inches of rise per 12 inches of run. The ridge board forms the peak and ties the rafters together side to side and end to end. 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. 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 pitch of a roof determines the height of the ridge board that runs the length of the house. 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. The ridge board must be set as perfectly as possible so take your time and use careful measurements. The engineering principles of the ridge board are a bit more complicated.