Choose the design of the roofing trusses.
Roof frame structure.
We will go over raft.
Collar ties rafter ties tension beams structural ridge beams.
Other roof shapes particularly those with dormers or on houses with cathedral ceilings attic rooms or attic storage areas are stick built.
Roof trusses are manufactured ready to install.
Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge.
Designing the roof 1.
If you want to frame a roof you ve got two important choices to make in terms of design.
The shed roof or lean to is a roof having only one slope or pitch.
The framing style of the roof refers to the actual components of each.
Position the square at the end of the rafter board with the tongue on your left and facing away from you.
Add the length of the overhang beyond this mark and.
Understand the different measurements.
The roof is held up by walls or posts where one wall or the posts on one side are at a higher level than those on the opposite side.
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.
Stick framing creates a triangle between the rafters and ceiling joists.
Some of these can support the roof and prevent ridge sagging and wall spreading.
Wondering how to build the structure of your roof.
This video covers one of the most exciting parts of roof framing installing rafters.