I'm making a 5-sided shed. The roof trusses I'm building are fairly
complicated. I have 4 2"x6"s and 4 2"x4"s coming together at the roof
peak in the middle. Essentially it forms a star. I've cut the 2x6's
(using a 4 in 12 slope) and connected them at right angles at the roof
peak. This is easy. Next I have to cut the 2x4s to fit into the 90
degree angles between the 2x6s.
How do I cut a roof angle (eg. 4 in 12) and the 45 degree for the 2x4
that fits between the 2x6s at the peak? I tried cutting the 4 in 12
slope 1st and then cut the 45 degree angle afterwards but this didn't
work out. I've just acquired a compound mitre saw from a neighbour.
Will this help for the cut required?
Here's an attempt at a picture of the roof. It only shows the 4 2x6s
and the 4 2x4s which come together at the peak. The 2x6s are the
up/down and left/right pieces. The 2x4s are the diagonal pieces.
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/ | \\
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You should be able to *turn* the saw to the correct angle for your
pitch and angle the blade to 45deg to make your cut. Unless the saw
angles both ways you will have to flip your board and *turn* the saw
the other way to cut the opposing 45 cut.
Who is the first one on the list of your star-chamber?
Well, the easiest way to do it would have been to grab a short
length of log, and use it as a hub, with sockets cut into
it to take the ends of the rafters.
Well, the compound mitre saw will do the job, but it's not
necessary. If you set a circular saw to 45 degrees, and
just cut along the 4:12 slope line on both sides, that
should do it. Or, since this is after all, a shed,
not a piano, you could cut the 4:12 line flat, and
use a chisel, axe, or router to bevel the ends.
Trying to do fiddly end-cuts like that with a handsaw
is a good way (IMNSHO) to scrape up your knuckles.
Personally, if you've already got the
right-angle parts up, I'd be tempted to fill in the
corners with angle-blocks, glued and screwed
into place. That would give you a flat spot
instead of a point to butt the rafter in.
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