The rafters terminate against the ridge board unless the framing is designed to bear rafter against rafter with no ridge board.
Ridge board roof construction.
Because the ridge board is a smaller member typically only an inch thick sometimes even less it is not a structural member and doesn t carry the gravity load.
Create a saddle at the top with the braces the height of the building walls plus rise less the width of the ridge board.
Its only job is to provide a connection point for the roof joists on each side of the roof.
Cut to the ridge board to the length of the shed dimension b and mark it 24 inch on center.
Remove the spacers in both end wall trusses and put the ridge board in between the 2 gable ends.
The ridge board must be set as perfectly as possible so take your time and use careful measurements.
This type of framing is a specially designed rafter layout and requires precise and experienced erection.
Line it up with the top of the truss and nail in place.
Definition of ridge board in construction the top board at the peak of a roof.
Brace these supports in the centerline of the building.
Rip the ridge board to the correct width to meet the rafter widths at the ridge.
The ridge board and rafters are the strength of the roof.