How To Frame A Vaulted Ceiling

Most flat ceilings hide gorgeous open rafter cathedral ceilings.

How to frame a vaulted ceiling. Rafters used to frame a vaulted roof are typically larger than rafters used to frame a roof that relies on ceiling joists for support. You ll have to remove the entire roof structure to vault the ceilings. Framing techniques for vaulted ceilings collar ties.

The cross supports for most flat ceilings have the structural function of providing thrust against which the roof rafters stand. A dramatic cathedral ceiling makes a strong statement in a home s interior but make sure to follow the best practices to eliminate mold and wood rot while also saving money on lumber and materials. If you see a complicated framework of 2x4s held together with perforated metal plates your roof is framed with trusses.

If the collar tie option leaves too many framing members in the ceiling vault for your taste you can. First head to the attic. This also allows you to save on lumber by using 2.

Another possible way to renovate a flat ceiling into a vaulted ceiling is by adding lumber to the existing roof rafters to make them deep enough to accommodate the appropriate insulation. In addition to the insulation there must also be a couple of inches of air space for air to flow from soffit vents to a continuous roof ridge vent. For example spray foam insulation helps create an air tight seal that eliminates the need for ridge and soffit venting.

Collar ties are horizontal framing members that are essentially ceiling joists that have been moved upward. The first step is the positioning of a substantial ridge beam.