Roof Ridge Board Joint

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.

Roof ridge board joint.

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. To begin the cuts overlap the ridge material with the crowns pointing in the same direction. Ondura 5259 4 in x 39 5 in cellulose fiber asphalt roof panel ridge caps. Ridge board the engineering principles of the ridge board are a bit more complicated.

Metal sales universal ridge 14 in x 126 in steel roof panel ridge caps. 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. The ridge board and rafters are the strength of the roof.

To extend the material to the correct length i splice ridge boards with a v shaped joint as shown in the drawing. The ridge board holds them in place. My crew and i call this technique penciling the ridges after the big pencil shaped piece of wood that results when the cuts are made. The ridge board must be set as perfectly as possible so take your time and use careful measurements.