One collar tie would be enough in your case.
Shed roof ridge board.
Some shed rafters do not incorporate ridge beams either due to small size or lack of technical know how.
The ridge board and rafters are the strength of the roof.
I always always build trusses.
This can be accomplished with collar ties boards spanning the shed at ceiling height or with large gussets further up the rafter slope.
Remove the spacers in both end wall trusses and put the ridge board in between the 2 gable ends.
Sometimes the rafter will have a tail and extend out past the wall so that you have a soffit or overhang.
Ventilation of a shed roof.
Cut your 2 in 5 1 cm x 4 in 10 cm or 2 in 5 1 cm x 6 in 15 cm to match the length of the shed.
Ondura 5259 4 in x 39 5 in cellulose fiber asphalt roof panel ridge caps.
When installing a new roof and siding the standard application of smartvent on the shed roof is having the exhaust ventilation closest to the shed wall is always the most desired.
The ridge board runs the length of the building and provides support for the tops of the rafters helping the whole roof structure work together as a system.
However our instructions include making shed rafters with a ridge beam.
You don t need a ridge beam but you do need a way to keep the walls from spreading.
You then have rafters running down from this ridge board and resting on the top wall plates.
A ridge beam runs the length of the shed roof connecting every pair of rafters.
Cut fascia boards to finish the edges of your roof.
Metal sales universal ridge 14 in x 126 in steel roof panel ridge caps.
Ventilation made easy by using smartvent on your next shed roof project.
Install the ridge board cut to the ridge board to the length of the shed dimension b and mark it 24 inch on center.
Here s a picture of a gable style shed using a ridge beam.
For pricing and availability.
When to use common rafters.
The ridge board must be set as perfectly as possible so take your time and use careful measurements.
A stick framed roof uses 2x4 s or 2x6 s or whatever you are framing with but has a ridge board running down the middle ridge line.
Line it up with the top of the truss and nail in place.