TLE Roof Framing M2 Flashcards
is the structure that supports your roof. It is also considered the most complicated frame carpentry in a house because of all the angles involved.
Roof Framing
The two types of Roof Framing
Truss and Rafter Type
Extended at right angles from the plate or girts to the ridge.
Common Rafters
laid diagonally from the corner of the plate or girts to the ridge.
Hip Rafter
placed diagonally from the plate or girts at the intersection of gable extension with the main roof.
Valley Rafter
any rafter which does not extend from the plate or girts to the ridge.
Jack Rafter
framed between hip rafters and girts.
Hip jack
framed between the ridge and valley rafter.
Valley Jack
frame between the hip and the valley rafter.
Cripple Jack
A _ is an assembly of members forming a rigid framework of triangular
shapes. It is a built-up frame commonly employed on a long span roof unsupported
by intermediate columns and partitions. It has a design of a series of triangles used
to distribute load, stiffen the structure and flexibility for the interior spacing as well
as strength and rigidity.
Roof Truss
A _ is the top or bottom outer member of the truss. The web is the framework between
the chords. It creates a rigid assembly. Chords and webs are often connected at the joints
by rectangular connector plates.
Chord
has upper and bottom chords and a single vertical post in the
center.
King Post Truss
also called a W-truss uses, three more supporting members than the
king-post truss.
Fink Truss
features sloped top and bottom chords. It is more complicated than
the fink truss
Scissors Truss