Hi Folks,I’m building myself a smallish garage with a very shallow roof to meet planning height requirements and am after a bit of advice on how to design the roof.I have a plan, but basically I would like to know if what I have come up with is a sensible or not; as an enthusiastic amateur I am sure I am about to make a bunch of rookie mistakes and would really appreciate it if someone who knows about these things would be able to point them out before I build the thing :)The building is solid 150mm aircrete block construction, approx 6x6x2.5 meters and the roof will be a rubber membrane stuck a OSB deck framed with 6x2 timbers, with a steel beam along the ridgeline.I would like to clad the walls, soffits & fascias in cedar to give something that looks a bit like this.Below is a drawing I did in sketchup to illustrate my current plan; it’s not complete but hopefully you get the idea. It’s awkward as the building isn’t square. The steel is highlighted in Red.top view3d viewsketchup modelcurrent project status [I know I need to clean/paint my house!]Some notes:I have asked a local steel supplier to help me specify the steel beam itselfThe blocks under the beam will be high strength concrete padstonesI would like the roof to overhang the building by about 500mm to look a bit like the picture linked above. Is the usual way to do that to extend the steel over the walls I have put in my drawing, or should I just work that out with timber?My current plan is to to put a 6x1 on top of the beam as well so I can join the rafters to it, but I am not sure what the best method is for fixing that board to the steel.I’m not sure whether I should be restraining the ends of the steel by bolting it to the padstones or not.Thanks for reading and looking forward to your wisdom! via /r/DIY http://ift.tt/2wDAqpp
