Vaulted Gable Roof Framing

A flat bottom chord gable end frame used with adjacent trusses that have sloped bottom chords see figure b3 42b creates a hinge in the wall gable interface that is below the bottom chord plane diaphragm.

Vaulted gable roof framing.

A plain flat ceiling gable is actually a procession of light trusses usually spaced 16 in. Framing most common types of roof gable roof. To avoid these problems in a structure with a cathedral ceiling it helps to understand how a typical roof frame works. Builders sometimes also prefer this construction method when they want to provide a large attic space or high vaulted ceilings often called cathedral ceilings.

Rafters and ridge boards. A vaulted roof structure opens the space below for stylistic reasons or for the addition of an attic or loft area. Contributing editor scott mcbride replies. A gable roof for a shed can be built with rafters with a 1 6 ridge board or using trusses.

Of the four basic roof shapes shed flat gable and hip only the flat roof is. However constructing a stick framed roof is not always easy. Each truss is composed of two opposing rafters and a ceiling joist. In a worst case scenario such as the record snow loads of the.

For example in texas where stick framing is common there are entire crews specializing only in framing roofs. Collar ties rafter ties tension beams structural ridge beams. Scissor trusses flat bottomed gable ends 10 14 2019 page 50 of the bcsi b3 states the following. Finally when a cathedral or a vaulted ceiling or any gable roof is framed without either an engineered structural ridge ceiling joists or rafter ties or an engineered solution some amount of ridge sag and wall kick out is guaranteed.

Cathedral ceiling roof framing. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. A simple gable shed roof is often built using 2 4 or 2 6 lumber for the rafters and 2 4 for the collar ties.