Roof framing involves a lexicon all its own.
Attic framing terminology.
Top plate or plates in conventional western platform framing there are two top plates.
For efficiency in both construction effort and material use timber frame structures are typically erected in boxlike sections called bays consisting of two bents one on each end along with additional frame members that connect the bents and form the structure.
However green building uses a single top plate and ensures that rafters and ceiling joists sit on the plate directly over the studs.
Framing terms knowing the basic vocabulary is a necessary part of your work as a builder.
Roof framing terms are related to the parts of a triangle.
Key timber frame terminology.
The gable end the house wall on a conventional simple gable roof such as shown in our sketch is the triangular end wall arrows 17 22 23 and 31 see roof ventilation specifications definition of the rake area of the roof or ends of the roof itself may overhang the gable end wall.
Here is a closer look at common roofing terms.
If you re trying your hand at constructing an outbuilding like a garage shed or pole barn you ll need to understand the basic components of wall framing before you get started.
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.
A building s frame is the skeleton that supports all of the finishing features like drywall doors windows and even your roof.
Triangular upper part of wall at the end of a ridge roof hipped roof.
Back to alphabetical list hip roof.
A term used to describe a pitched roof the ends of which are also sloped.
Some of these can support the roof and prevent ridge sagging and wall spreading.
Includes illustrations that show roofs have hip rafters ridge boards jack rafters and more.
Collar ties rafter ties tension beams structural ridge beams.
The top horizontal framing members of a framed wall.
This is to help prevent deflection and sag in the roof.
Framing consists of a doubled valley rafter in the middle that extends from a top plate corner to a second ridge board with angled jack rafters for support.
These are short spars that run from a hip to the eves or from a ridge to a valley.
Gable end and gable end attic vent.
Cement mortar filler on top of a chimney stack at the base of chimney pots or protruding flues.
A framing member that supports the cut ends of studs or joists usually over a window or door or at either end of a floor or ceiling opening.
Valley the inward angle of two sloping roof sections.
The rake is the edge of.
Roof features associated with basic roof framing terms are shown in figure 2 2.
