Interior Ridge Beam For Vaulted Ceiling Below Roof Line

Rafters used to frame a vaulted roof are typically larger than rafters used to frame a roof that relies on ceiling joists for support.

Interior ridge beam for vaulted ceiling below roof line. These horizontal framing members tie a building s outer walls together and resist the outward force exerted by the roof rafters in conventional framing. Looks to have a 2x6 coming down from the peak of the roof at the ridge board down to the beam. After a few weeks the crack appears. The existing ridge board merely tied the rafters together it didn t actually support the roof.

The new structure for the vaulted ceiling would entail a 4x12 structural ridge beam. 40 minute followed by a top coat and paint. Dan the horizontal slats resting on the roof joists replaced your ridge board not the best thing to do but it is an alternative. The existing dwellling is a double brick construction 19 feet wide and 29 feet long.

In the case of a cathedral vault where the interior ceiling is parallel to the exterior roof line installing skylights is a simple process. One theory is that the one side of the ceiling is the roof rafters and the other are vaulted ceiling joists so one side gets hotter and colder than the other. A vaulted roof features angled rafters that rest on wall plates and connect at the top to a ridge beam. The ceiling joist 2x4s are running at right angles to the beam and rafters across the 12ft span of the room.

A vaulted ceiling has the ceiling joists resting on the walls only the high point being whichever is the tallest wall exception. I am in the process of designing a cathedral ceiling for an attic addition. These joists are below the beam and are tied to it by 2x4. Without joists the walls can bow outward and the roof ridge line may sag.

The trick in framing a vaulted ceiling is figuring out what to do with the ceiling joists. This new ridge beam labeled a s4 in structural drawing would carry the roof and would be installed below the ridge board. There s no ridge beam or ridge board. The first step is the positioning of a substantial ridge beam.

The new roof will span along the same footprint of the existing dwelling and have a pitch of 5 12.