Roof Framing Systems Definition

In this section we ll cover the most common types of roofs and basic framing terms.

Roof framing systems definition.

In profile the framing of a conventional pitched roof forms a triangle. Framing materials are usually wood engineered wood or structural steel. The exposed end of a shingle. Some of these can support the roof and prevent ridge sagging and wall spreading.

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. Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist. Timber is by far the most common material for house framing in australia. Stick framing combines roof rafters with ceiling joists.

Roof slope and rigidness are for shedding water and bearing any extra additional weight. The rafters are usually positioned directly above the wall studs. Although truss designed roofs are predominant throughout most of the residential construction industry there are regions where building with stick frame roofs is still common. Most roofs utilize 16 inch spacings for strength and rigidity.

The roof framing is the structure that supports your roof. The primary object of a roof in any climate is protection from the elements. Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center. The main decision that needs to be made with erecting a roof is which material to use for its construction.

Building strong stick frame roofs. In this post randy shackelford discusses some design choices available to stick frame builders the challenges they pose and the solutions offered by the simpson strong tie three connector system for stick frame roofing. The butt of a shingle is the end that faces down roof. Collar ties rafter ties tension beams structural ridge beams.

With wood shingles or shakes this is the thicker end. Roofs must also be strong enough to withstand high winds.