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Old 07-04-2012, 02:52 PM   #1
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birdsmouth rafter

how do i cut a birdsmouth rafter


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Old 07-04-2012, 03:00 PM   #2
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birdsmouth rafter

There are many ways to do this, the most common I think for carpenters on the job is to mark the cut on the rafter, then use a skill-saw (circular saw) to make both cuts, flip the rafter over and continue the cuts.
After this the bird's mouth will not be fully cut through so knock out the remainder with your hammer and use a hand saw for the rest of the through cut.

Make sense?



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Old 07-04-2012, 04:03 PM   #3
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birdsmouth rafter

As andy said.
Or do you want to know how to calculate it?
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Old 07-04-2012, 04:32 PM   #4
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By a Swanson speed square it comes with a little blue book that does a good job explaining it.
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Old 07-04-2012, 05:23 PM   #5
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It's hard for a hit and run scammer to get by here, eh?
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