Roof Framing Vaulted Ceiling

To avoid these problems in a structure with a cathedral ceiling it helps to understand how a typical roof frame works.

Roof framing vaulted ceiling.

A structural ridge is the standard alternative to ceiling joists. But if it s framed traditionally with big lumber rafters the roof can stay in place. A plain flat ceiling gable is actually a procession of light trusses usually spaced 16 in. In this design the tops of the rafters attach to a load bearing ridge beam that runs along the length of the roof.

There are several options for installing insulation in a vaulted ceiling. Among the easiest options is to install rigid insulation sheets over the rafters which not only provides insulation but also the structural function of enclosing the roof. If you see a complicated framework of 2x4s held together with perforated metal plates your roof is framed with trusses. You ll have to remove the entire roof structure to vault the ceilings.

They can be an integral part of the structural framing system. But keep in mind those existing horizontal joists located just above the ceiling do more than just hold the ceiling drywall in place. If the collar tie option leaves too many framing members in the ceiling vault for your taste you can. The first step is the positioning of a substantial ridge beam.

Rafters used to frame a vaulted roof are typically larger than rafters used to frame a roof that relies on ceiling joists for support. Vaulted ceilings can be constructed by either stick framing which means attaching each joist and rafter individually or by setting roof trusses that come engineered from a truss manufacturer with. Contributing editor scott mcbride replies. Second measure the depth of the rafters.