Roof Framing Definition

Framing materials are usually wood engineered wood or structural steel.

Roof framing definition.

Types of roofs and define common roof framing terms. The main decision that needs to be made with erecting a roof is which material to use for its construction. 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. Another common design in the northeast is the saltbox which is a gable roof with one longer side.

Building framing is divided into two broad categories heavy frame construction if the vertical supports are few and. A ridge board is a horizontal member of the roof frame. Roofs are basically five types. The alternative to framed construction is generally called mass wall construction where horizontal layers of stacked materials such as log building masonry rammed earth adobe etc.

Timber is by far the most common material for house framing in australia. Shed gable hip gambrel and mansard. Framing in construction is the fitting together of pieces to give a structure support and shape. Roof slope and rigidness are for shedding water and bearing any extra additional weight.

Ridge beam sits below the rafters. Collar ties rafter ties tension beams structural ridge beams. With wood shingles or shakes this is the thicker end. Ridge board v s beam.

Supported by lally columns. The function of each component is. Transfers the loadof the roof through the raftersto walls below. Roofs must also be strong enough to withstand high winds.

The exposed end of a shingle. Needed to tie the roof together where the rafters are framed at an angle to each other. In a rafter roof all of these components are required to provide a stable roof. The primary object of a roof in any climate is protection from the elements.

Ridge board ridge beam. Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult. Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist. The rafters carry the applied loads to the exterior walls.

In this section we ll cover the most common types of roofs and basic framing terms. 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. In profile the framing of a conventional pitched roof forms a triangle. Rafters act more like the top chord of a roof truss than as a roof joist.

Collar ties rafter ties tension beams structural ridge beams. Are used without framing. The roof framing is the structure that supports your roof. Some of these can support the roof and prevent ridge sagging and wall spreading.

Timber vs metal frames. The butt of a shingle is the end that faces down roof.