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Author Topic: Tips for disassembly of timber frame?  (Read 174 times)

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Offline terrifictimbersllc

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Tips for disassembly of timber frame?
« on: September 09, 2017, 04:56:16 pm »
I am about to try to take apart a timber frame treehouse, hoping to save the frame.  Members are hemlock which were pegged with red and white oak pegs, tightly draw-bored.  The pegs were inside (very) dry,  and the frame was probably 15-20% MC when the frame was assembled.

I am planning to try to knock the pins out with cylindrical punches made out of steel round stock, but have no idea whether this will work yet.

Am wondering whether anyone knows of  tricks to timber frame disassembly. Maybe  center of the pegs for example or drilling out the pegs and heating them somehow to shrink them to make them easier to get out.   Advice welcome.
DJ Hoover, Terrific Timbers LLC,  Mystic CT   2001 WM LT40SHDD (42HP Kubota, Accuset2, FAO's, Lubemizer, debarker, hydraulics everywhere), Peterson WPF 10-30 with chain slabber. LogRite fetching arch, WM BMS250 sharpener/BMT250 setter.

Offline Don P

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Re: Tips for disassembly of timber frame?
« Reply #1 on: September 09, 2017, 05:29:15 pm »
I'd try drilling the center of the pegs out with a long 5/8" brad point bit and then punching them out. A few taps each way to get them moving. If they are extended put a set of vise grips on them and twist a little as you go. If they are stuck use a long 1/4" chisel and collapse them into the drilled hole.

Offline Dave Shepard

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Re: Tips for disassembly of timber frame?
« Reply #2 on: September 09, 2017, 05:43:15 pm »
3/16" pilot hole and sink a 6" Headlok, or GRK RSS, and a long pry bar. A slide hammer with a hook to catch the screw head is even better.
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Offline Jim_Rogers

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Re: Tips for disassembly of timber frame?
« Reply #3 on: September 09, 2017, 10:39:44 pm »
3/16" pilot hole and sink a 6" Headlok, or GRK RSS, and a long pry bar. A slide hammer with a hook to catch the screw head is even better.

When you do this, sometimes the peg may split. If it does put a hose clamp around it to hold it tight or together around the screw.

Also, some people put a small cone shape into the end of their "push pin" so that the end of the peg being pushed can be centered on the push pin. You have to be careful that the push pin doesn't go beside the old peg and get wedged in there.

Jim Rogers
Whatever you do, have fun doing it!
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