|Forum topic by Cosmicsniper||posted 03-07-2013 08:27 PM||2049 views||0 times favorited||12 replies|
03-07-2013 08:27 PM
Spring break is coming next week, and as a teacher, it’s a great opportunity to knock out whole, large projects. Why not start YET ANOTHER project that I probably will never finish?!
Here’s a Sketchup of what I’m planning on doing…
As you can see, it’s post and beam timber construction, though the rafters will be normal 2×6 lumber, hung off a ledger/header board on the side of the house.
Now, I’ve done many sheds and famed-out structures over the years, but this is the first time I’ve ever incorporated timber construction above the sub-floor. I am hoping for some general advice, to go along with these specific questions…
- I will birdmouth the rafters to attach to the beam. I was thinking of using hangers for everything and then covering up the interior rafters with T1 siding. Alternatively, I was thinking of NOT using hangers and leaving the structure exposed…whereas I would skip the joist hangers. I live in Texas where their is both heat and tornadoes. Your thoughts?
- There is a gabled section. Of course, I need some kind of trusses there to prevent lateral pressure to the outer posts, but I wondered if instead of trusses that I could just extend the middle beam (top plate for the left wall) through to the right side? Would that, coupled with the timber truss facade, be enough to hold the lateral load? Would you incorporate trusses as well? If so, how do you utilize the T1 siding to cover the rafters in the gabled section?
- I will be using traditional joinery for the timbers, likely M&T with dowel pegs. Any thoughts you might have on making pretty joinery? I will be using the diagonal supports on the beams, they just aren’t rendered in Sketchup.
- The ground is concrete, as there is a pool. In fact, the cantilever section is over the pool. Anybody see an issue with this design? I just wanted to maximize the space and provide some shade relief to the pool…the house faces the south. The roof should block the summer sun over nearly half the pool since it will run close to the edge.
- The Sketchup shows beams running back toward the house. I show the house as brick, but in actuality only one such beam would need to go into brick as it is mostly siding in those areas. Should I put a beam next to the house at those points for support, anchor the beams to the brick somehow, or tie them into the framing beneath the siding? There is a small roofed section above the bay windows and doors that I’ll be roofing above. I thought I might tie beam into that some how? Hard to know because Im not sure how that section is framed.
I’ll do things like gutters, stone work, and finishing work later. I’ll use composition shingles to match the house and will be using deck blocks to hold the posts…I will stone-in the lower posts later.
I know it’s a lot of questions, but any thoughts would be appreciated!
-- jay, www.allaboutastro.com