Truss roof framing is cov ered in section 17 4.
Framing sidewall roof.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
The main purpose of a roof is to protect the house in all types of weather with a minimum of maintenance.
When the roof of an addition garage porch or patio meets a brick wall the intersection creates a number of concerns.
The roof framing itself in this.
Score the shims with a utility knife and snap them off flush with the plate.
This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance.
Position the square at the end of the rafter board with the tongue on your left and facing away from you.
A roof must be strong to withstand snow and wind loads.
To provide a drip edge allow an overhang of 1 to 2 inches at the eave.
How to frame a roof against a brick wall.
At the gable edge use a gable or sidewall flashing.
Framing a roof is the last step in framing new construction.
Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge.
The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge.
Add the length of the overhang beyond this mark and.
The framing square is used most frequently to find the length of the hypotenuse longest side of a right triangle when the lengths of the other two sides are known.
The roof framing must support the roof decking and sheathing and resist loads applied to the sheathing and transfer loads vertically to support walls or frames.
Skillion shed style roof framing the skillion and shed style roofs are framed with a single slope 2 4 or 2 6 or thicker rafters spanning from the low wall to the high wall.
This is the basic problem involved in determining the length of a roof rafter a brace or any other member that forms the hypotenuse of an actual or imaginary right triangle.
If you plan to have eaves to protect the shed walls make sure you add the extra length when measuring the rafters.
Fasten the bottom plate by driving 16d nails through it into the floor.
The roof must be appropriate for the climate in which the house is being built.
Roof framing is the next building component found within the load path.
