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Author Topic: Resawing Heart Pine Timbers  (Read 493 times)

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Offline Jjoness4

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Resawing Heart Pine Timbers
« on: October 08, 2018, 12:33:39 PM »
A lady approached me with request to resaw 100 heart pine beams which are 4 inch by 7 inch and 12 feet long.  They have been denailed but she was sure that there were some nails that broke off at the surface.  I have a metal detector but there may be several nails embedded.  Should I even consider this project.  I told her that I would     and saw at $100/hr and would have to charge $22 per damaged blade.  Comments?
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Offline moodnacreek

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Re: Resawing Heart Pine Timbers
« Reply #1 on: October 08, 2018, 12:38:12 PM »
In some areas those beams may be worth more than what they could be sawn into.

Offline terrifictimbersllc

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Re: Resawing Heart Pine Timbers
« Reply #2 on: October 08, 2018, 01:07:48 PM »
With beams, unlike logs, any metal is near the surface and will be detectable with a wand detector.  If it weren't too far, I'd offer to start the job and see how it goes.  I would take 2 sawhorses and scan the faces of the beams before sawing.  This is fast.   You could quickly saw all those that are metal free.   If some need to be de-nailed, this could be time consuming.  It doesnt matter that nails are broken off if that is near the surface.  You just find the nail, then either drill or use a pointed punch to punch holes down either side of the nail.  Then tap in a needle nose vise grips, grab the nail firmly, and use a crowbar hooked end to grab the underside of the vise grips jaw and pull the nail out.  This is pretty quick and effective and does not make big gouges in the wood.  If that works and it is too time consuming you could show her how to do it and maybe come back after she clears the rest of the metal.

Also don't be afraid to keep sawing when hitting a nail.  Sight the kerf to make sure it is cutting straight and cut isn't too ragged.  You can sometimes hit a few old nails crosswise and still keep cutting if you're not ruining wood.  
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Offline Jim_Rogers

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Re: Resawing Heart Pine Timbers
« Reply #3 on: October 08, 2018, 04:57:42 PM »
As mentioned you can pull those nails. If they are "cut nails" then bending them will break them, so pull them straight up. If they are wire nails that's different then can be bent while pulling out.

Jim Rogers
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Offline Revival Sawmill

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Re: Resawing Heart Pine Timbers
« Reply #4 on: October 08, 2018, 05:05:59 PM »
Maybe a good opportunity to try out some of those super-tough band blades, bi-metallic? idk.  Sounds like youve already committed to it though...

Offline Southside logger

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Re: Resawing Heart Pine Timbers
« Reply #5 on: October 08, 2018, 07:50:45 PM »
Don't even think about doing it without Bi-metal bands, but yes I have and would do that job. 
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Offline Stephen1

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Re: Resawing Heart Pine Timbers
« Reply #6 on: October 08, 2018, 08:09:36 PM »
I would and have done the very similar beams. 250 DF beams 25' long. it took me 6 weeks. I would average 10 blades a day. some I salvaged some were junk. Charge at least what you pay for a blade. Yes sometimes you can keep sawing depending on the metal. 
It  was my first sawing job for pay....did I learn a lot :D
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Offline nativewolf

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Re: Resawing Heart Pine Timbers
« Reply #7 on: October 08, 2018, 08:11:03 PM »
Didn't Peter just do this, two tractor trailer loads?
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Offline Peter Drouin

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Re: Resawing Heart Pine Timbers
« Reply #8 on: October 08, 2018, 08:11:26 PM »
I did some, Better have a bunch of blades. :D :D :D :D :D


 


 


 


 
Just a hand full of what I got out of the beams.


 
Junk ones. Good luck.

Offline Jjoness4

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Re: Resawing Heart Pine Timbers
« Reply #9 on: October 09, 2018, 11:15:50 AM »
We are going ahead with the project.  The lady is very accommodating, even offered to buy a "real good" metal detector.  She understands the blade liability but after looking at couple of the beams I believe we can get them reasonably clean of metal.  They were actually an industrial building floor built in the 1920s and were spiked with very large 60 penny nails.  She wants the resawed boards for a floor in a house she is building.  It appears to be true heart pine.  Since I don't own a planer, she has someone who will "skip plane" the boards for her. Not sure if she will be getting them tongue and grooved.  The beams are bone dry as they were just recovered from the demolition about a month ago and have been drying for about a hundred years :).  Thanks for everyone's input.  I'll keep you posted with pictures.   
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Offline Lawg Dawg

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Re: Resawing Heart Pine Timbers
« Reply #10 on: October 09, 2018, 12:39:43 PM »
Good luck, and get a little squirt bottle with some diesel in it...does wonders for keeping pine rosin cleaned off the blade, just squirt enough on it while its running to clean it off. Bought every other pass.  Try it, you will like it! ;D





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Offline Jim_Rogers

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Re: Resawing Heart Pine Timbers
« Reply #11 on: October 09, 2018, 01:28:53 PM »
Just because they have been in a building for 100 years doesn't mean they are free from pitch.
You will need to keep the blade clean to cut straight.

Jim Rogers
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Offline Stephen1

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Re: Resawing Heart Pine Timbers
« Reply #12 on: October 09, 2018, 08:30:01 PM »
The first cut on the beam if its the old floor side will dull your blades if not deep enough. A lot of dirt over the years is driven into that floor. You might find you need a deeper cut
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