Need help with roof framing!!!

[Bad4Bizness84]

Hello from Missouri! First off thank you for taking the time to help out a fellow DIYer! I'm going to include lots of details so bare with me. I'm wanting to build a 24x30 garage/shop with 30 being the length. It will be 2x4 walls 16" oc 104" tall with a double top and bottom plate. It will have 1 16x8 garage door and 1 walk in door. I'm planning to use the rib metal panels for siding and roofing. Ok, my problem is how do I make a 2x boards 30 ft long for a ridge board and still make it strong?? Also I will mention I priced trusses and they are $800 to do the whole thing, but I figured what I needed to just do rafters and it would be $300 so I won't be using trusses! I don't know if it matters but each rafter would be 12'6" and the pitch will be 3/12. Any info would help... Thx!

 

[uncletater]

I would go with the Truss. Better in the long run and much faster to put up.

 

[Glenn M.]

Welcome to the GJ from VA!

 

[Imcrazy]

One time I was building a 30X40 barn. Instead of my wife and I trying to hold up the ridge and tie in the rafters I built my own trusses.

I popped a template on the concrete driveway with a chalk box. I cut out the rafters and used small plywood scraps to make my own gussets.

 

[wrenchguy]

to make the ridge work and strong it all has todo with ur rafter layout. outside fly to center of rafter. ridge length = center of rafter to center of rafter. if ur building is 30 feet use 2 16's and have 1' over hang on each end. i assume its a gable. this way ur ridge joint is on a rafter center. the ridge is only as strong as the joist holding the walls parallel. U don't mention the joist in this cost, or are u mixing up what u think ridge and joist are? if the walls bow out the ridge will come down.

ps 3/12 is too shallow pitch, bump it up.