Ridge Board Roof Trusses

It will probably be a tight fit and take a little hammer work to get each one into place.

Ridge board roof trusses.

Yes either a ridge board or a ridge beam is necessary and required by the building code where roof rafters meet at the the center of their span. In heavy duty construction a ridge beam might be used instead. They are secured at the bottom by ceiling joists. Line the top of the truss with the top of the ridge board and nail the truss rafter to the ridgeboard on each side.

Rafters are made from sloped framing boards of dimensional lumber usually 2x8s or 2x10s connecting the roof peak called the ridge board to the plates of the exterior walls. Then nail the trusses into the top plate as normal. The ridge board must be set as perfectly as possible so take your time and use careful measurements. We will go over raft.

It is often used in simple roof trusses such as in the shed porch and garage. The ridge board and rafters are the strength of the roof. Wondering how to build the structure of your roof. Ridge beams are required by code if the roof slope is less than 3 in 12 irc section r802 3.

This video covers one of the most exciting parts of roof framing installing rafters. Ridge beam sizing is based on the span of the beam between supports and the amount of roof load supported by the beam. The ridge board must be the same width as the rafter boards. A ridge beam is a structural member used to support the ends of the rafters at the ridge transferring it s loads to posts or gable end walls.

This board forms the bottom member of each rafter and of course the ceiling of the space below. A non structural member of the truss where rafters can lean against and connect to. Raise the trusses one at a time and work the ridge board into the gap. These horizontally installed boards give the trusses strength and stability.

The difference between them is that a ridge beam is a structural member that bears half of the live and dead loads of the rafters on either side of it but a ridge board is not structural. This video shows how to make roof rafters with a rafter square and or a speed squ. Collar ties placed horizontally halfway down the rafters hold the rafters and roof planes together.