How To Build A Vaulted Gable Roof

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

How to build a vaulted gable roof.

The mezzanine study. Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs. Rafters used to frame a vaulted roof are typically larger than rafters used to frame a roof that relies on ceiling joists for support. Another positive aspects of gable roof are easier and thus more cost effective construction and additional space for attic or vaulted ceiling.

The main elements of gable roof framing are pair of roof rafters and collar tie. These horizontal framing members tie a building s outer walls together and resist the outward force exerted by the roof rafters in conventional framing. Vaulted ceiling framing must be able to resist the downward and outward thrust of the roof s weight load. The trick in framing a vaulted ceiling is figuring out what to do with the ceiling joists.

Finally traditional fiberglass insulation works well in cathedral ceilings although a 2 inch breathing space between the insulation and the roof sheathing must be included. Each truss is composed of two opposing rafters and a ceiling joist. Nail the first boards on top of your wall where you plan to build your roof. The first step is the positioning of a substantial ridge beam.

One method is to design a balloon framed end wall which will completely eliminate any need for a gable end frame. Make the most of vaulted ceilings with a mezzanine level. Glazed gable ends can be a great way of bringing natural light into rooms with vaulted ceilings. Another method is to use a gable end frame but to make it match the profile of the adjacent scissor trusses so that the bracing can be installed correctly.

In conventional gable roof framing the slope of the roof is formed by rafters that run diagonally downward from the peak of the roof to the tops of the exterior walls of the building. A plain flat ceiling gable is actually a procession of light trusses usually spaced 16 in. If you decide to construct a vaulted ceiling check with your local office regarding building permits and consult with an experienced structural engineer to ensure safety. Exposing elements of the roof structure including the trusses and or rafters can add character to a home.

Playhouse gable roof construction rafters with collar ties gable roof elements and connections. Contributing editor scott mcbride replies.