Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.
Roof framing definition.
Framing materials are usually wood engineered wood or structural steel.
Types of roofs and define common roof framing terms.
Are used without framing.
The exposed end of a shingle.
Collar ties rafter ties tension beams structural ridge beams.
The primary object of a roof in any climate is protection from the elements.
Needed to tie the roof together where the rafters are framed at an angle to each other.
The butt of a shingle is the end that faces down roof.
Framing in construction is the fitting together of pieces to give a structure support and shape.
Shed gable hip gambrel and mansard.
Supported by lally columns.
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.
Timber vs metal frames.
In profile the framing of a conventional pitched roof forms a triangle.
The point at which all the raftersare attached to.
In this section we ll cover the most common types of roofs and basic framing terms.
Transfers the loadof the roof through the raftersto walls below.
The roof framing is the structure that supports your roof.
Timber is by far the most common material for house framing in australia.
The rafters carry the applied loads to the exterior walls.
With wood shingles or shakes this is the thicker end.
The main decision that needs to be made with erecting a roof is which material to use for its construction.
Some of these can support the roof and prevent ridge sagging and wall spreading.
Collar ties rafter ties tension beams structural ridge beams.
Some of these can support the roof and prevent ridge sagging and wall spreading.
Ridge board ridge beam.
Parts of a roof.
Roofs must also be strong enough to withstand high winds.
Building framing is divided into two broad categories heavy frame construction if the vertical supports are few and.
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.
Ridge board v s beam.
Roof slope and rigidness are for shedding water and bearing any extra additional weight.
Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist.
In a rafter roof all of these components are required to provide a stable roof.
The function of each component is.
A ridge board is a horizontal member of the roof frame.
Ridge beam sits below the rafters.
Rafters act more like the top chord of a roof truss than as a roof joist.
