Building strong stick frame roofs.
Roof framing systems definition.
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.
The rafters are usually positioned directly above the wall studs.
The primary object of a roof in any climate is protection from the elements.
With wood shingles or shakes this is the thicker end.
The butt of a shingle is the end that faces down roof.
Roofs must also be strong enough to withstand high winds.
The exposed end of a shingle.
The roof framing is the structure that supports your roof.
Some of these can support the roof and prevent ridge sagging and wall spreading.
In profile the framing of a conventional pitched roof forms a triangle.
Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center.
Framing materials are usually wood engineered wood or structural steel.
The main decision that needs to be made with erecting a roof is which material to use for its construction.
Timber is by far the most common material for house framing in australia.
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.
Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist.
Timber vs metal frames.
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.
Most roofs utilize 16 inch spacings for strength and rigidity.
Stick framing combines roof rafters with ceiling joists.
Collar ties rafter ties tension beams structural ridge beams.