Roof Beam Framing Plan

Ridge beam sits below the rafters.

Roof beam framing plan.

Measure down y height from the long point of the rafter cut and make a mark. One of the most important parts of building a sturdy roof is the initial roof framing plan. The point at which all the raftersare attached to. A ridge board is a horizontal member of the roof frame.

A structural ridge beam is a horizontal beam placed at the peak or ridge of a roof and is designed to carry much of the live and dead loads or weight of the roof structure by itself. This will the first point of the rafter measurement line. If your span table shows the roof beam cannot support the roof rafters for the whole length of your house you will want to choose a built up roof beam whose maximum spans are the same as or slightly longer than your chosen floor beam spans. Roof framing rafter layout.

From one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it. Roof framing simply describes how a group of rafters and beams are fitted or joined together in order to provide support for the roof covering. Parts of a roof. 5 conclusions on roof framing.

Ridge board ridge beam. It is not a continuous post however. The loads on the ridge beam are carried by vertical posts at the beam ends down through the building structural walls to the building foundation. In order to do roof framing properly it is important to understand the unique shape and dimensions of your roof since these will greatly impact the geometry of the roof frame.

Most home builders attempting to frame a roof themselves will contract out the actual construction of the rafters by supplying the measurements necessary and having them delivered or by supplying the architectural design plan and getting the trusses appropriate. Ridge board v s beam.