Common types of roofs and basic framing terms.
Timber roof frame construction.
Timber framing in our time power tools have made the components for the timber frame easier to refine but the methods for joining and principles of construction are largely unchanged from the 1600 s here a timberwright lays out a knee brace to be inserted in a mortise cut in the column and beam to give the bent additional lateral stability.
Timber vs metal frames.
There is a hierarchy of timber framing at work here with trusses supporting the ridge and purlin beams.
Timber is by far the most common material for house framing in australia.
We built the simon residence in 1991 when we were still designing and building timber frame homes from start to finish from the foundation to the final roofing and everything in between.
Gable a gable roof has a ridge at the center and slopes in two directions.
Collar ties rafter ties tension beams structural ridge beams.
Balloon construction 33 window and door framing 34 end wall framing 36 interior walls 38 lath nailers 39 chapter 7 ceiling and roof framing 40 ceiling joists 40 flush ceiling framing 42 post and beam framing 42 roof slopes 44 flat roofs 45 pitched roofs 45 valleys 48 dormers 48 overhangs 48 ridge beam roof details 49.
The main decision that needs to be made with erecting a roof is which material to use for its construction.
Framing materials are usually wood engineered wood or structural steel 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.
A timber frame truss roof with ridge beam purlins and common rafters is a stunning combination that creates visual interest and structural complexity.
Framing in construction is the fitting together of pieces to give a structure support and shape.
Framing a roof is the last step in framing new construction.
Now we focus on being timber framers but still design with the knowledge that comes from years of building experience.
Above these components is a rack of common rafters.
2 heavy timber construction details.
It is the form most commonly used by.
The roof framing is the structure that supports your roof.
Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to.
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.
Some of these can support the roof and prevent ridge sagging and wall spreading.
While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below.
