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Housing in out of square timber #33354 12/30/15 03:14 PM
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jjboudreau19 Offline OP
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I may be over thinking this I don't know.

In the case of an out of square post (also roughsawn), if I want to house my intersecting beams on the non reference faces, should I measure in equal distance (say 7.5" on an 8×8") from the reference faces instead of measuring in 1/2" off the non reference face.

If this is the case I'm also assuming I can't use a skill saw to the full depth to cut the housing if the timber is out of square by a 1/4" or so? My thinking is I will have to cut it to the shallower depth of the two sides and then work it down with a chisel so that each beam comes off of the both sides of the post in line with eachother. I'm also assuming this will require shimming my mortise machine so that it will be in the same line as reference face mortises?

Another question, If I want to house my braces in the center of the post on these out of square faces, what's my best solution? I'm considering shimming a router template in the shape of the housing joint to be parallel to the reference face and routing it out but would welcome tried and true solutions.

Re: Housing in out of square timber [Re: jjboudreau19] #33355 12/30/15 03:37 PM
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I suppose I can measure off of the tongue of a square that is hanging off of the reference edge to get my housing square?

Re: Housing in out of square timber [Re: jjboudreau19] #33356 12/30/15 03:51 PM
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timberwrestler Offline
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Originally Posted By: jjboudreau19


In the case of an out of square post (also roughsawn), if I want to house my intersecting beams on the non reference faces, should I measure in equal distance (say 7.5" on an 8×8") from the reference faces instead of measuring in 1/2" off the non reference face.



Yup. Although you should always, only be measuring or squaring off of the reference faces. It's bad timber frame juju to do otherwise. Sounds like you need an Al Borneman layout tool (from the TFG). It'll save you epic amounts of time in square rule.

Originally Posted By: jjboudreau19


If this is the case I'm also assuming I can't use a skill saw to the full depth to cut the housing if the timber is out of square by a 1/4" or so? My thinking is I will have to cut it to the shallower depth of the two sides and then work it down with a chisel so that each beam comes off of the both sides of the post in line with eachother. I'm also assuming this will require shimming my mortise machine so that it will be in the same line as reference face mortises?



Yup and yup again. Sometimes it's just easier to handsaw or chop it by hand.

Originally Posted By: jjboudreau19


Another question, If I want to house my braces in the center of the post on these out of square faces, what's my best solution? I'm considering shimming a router template in the shape of the housing joint to be parallel to the reference face and routing it out but would welcome tried and true solutions.



Yup again again. You could also chop it by hand. And yes, you can reference off a framing square. Jim Rogers used to make a doodad to connect two squares together, so that you could check things on non-reference faces. You can also just use stair buttons to connect two framing squares together.

Re: Housing in out of square timber [Re: jjboudreau19] #33357 12/30/15 05:04 PM
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Thanks for the reply TW, that gave me a boost of confidence.

Re: Housing in out of square timber [Re: jjboudreau19] #33358 12/30/15 05:08 PM
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TIMBEAL Offline
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This is where traditional tools shine. The reason braces are flush to one side is for the ease of joinery.

Sometime.... The best face/reference face is true and sometime is isn't. If the timber is diamond shaped you need to either call the reference face true or take into account it is out of square by X amount. Then there is twist/wind to take into account, if present.

There are situations where you can measure off either side from the best face of the reference face and be good. There are times when the Al B. square will not function as we wish. In these cases I use a framing square applied perpendicular to the reference face, taking into account out of square issues. I need to do a video showing this.

Re: Housing in out of square timber [Re: jjboudreau19] #33359 12/30/15 05:36 PM
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Timbeal, please do!

Re: Housing in out of square timber [Re: jjboudreau19] #33368 01/15/16 03:38 AM
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collarandhames Offline
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lay out to the reference sides and cut to the lines, and yes, the saw depth will be to the minimum depth, and you will remove to the line in the fashion that suits you.


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