Roof Framing Systems Definition

Some of these can support the roof and prevent ridge sagging and wall spreading.

Roof framing systems definition.

Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist. 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. The main decision that needs to be made with erecting a roof is which material to use for its construction. The roof framing is the structure that supports your roof.

Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center. Building strong stick frame roofs. With wood shingles or shakes this is the thicker end. The rafters are usually positioned directly above the wall studs.

In profile the framing of a conventional pitched roof forms a triangle. Framing in construction is the fitting together of pieces to give a structure support and shape. The butt of a shingle is the end that faces down roof. Roof slope and rigidness are for shedding water and bearing any extra additional weight.

Stick framing combines roof rafters with ceiling joists. Types of roofs and define common roof framing terms. Roofs must also be strong enough to withstand high winds. Collar ties rafter ties tension beams structural ridge beams.

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. Most roofs utilize 16 inch spacings for strength and rigidity. Timber vs metal frames. The primary object of a roof in any climate is protection from the elements.

The exposed end of a shingle. Timber is by far the most common material for house framing in australia.