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.

A non structural member of the truss where rafters can lean against and connect to. The ridge board and rafters are the strength of the roof. It is often used in simple roof trusses such as in the shed porch and garage. They are secured at the bottom by ceiling joists.

We will go over raft. Then nail the trusses into the top plate as normal. In heavy duty construction a ridge beam might be used instead. Ridge beams are required by code if the roof slope is less than 3 in 12 irc section r802 3.

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. Line the top of the truss with the top of the ridge board and nail the truss rafter to the ridgeboard on each side. Raise the trusses one at a time and work the ridge board into the gap. This board forms the bottom member of each rafter and of course the ceiling of the space below.

This video covers one of the most exciting parts of roof framing installing rafters. Wondering how to build the structure of your roof. The ridge board must be set as perfectly as possible so take your time and use careful measurements. 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. Collar ties placed horizontally halfway down the rafters hold the rafters and roof planes together. This video shows how to make roof rafters with a rafter square and or a speed squ. Also called minor rafter because it is smaller than the principal rafter major rafter.

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. These horizontally installed boards give the trusses strength and stability. King post truss parts explained.