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Punky wood (Read 1,384 times)
 
James Saxinger
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Saskatoon, Saskatchewan, Canada
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Punky wood
Sep 3rd, 2011 at 2:47pm
 
I have done a little bit of looking into stabilizing punky wood. I have some birch burl that has some punky spots in it. What other options are there besides using pentacryl...at $22.50 per liter, it's kind of expensive Does anyone have a home made solution ???? Would hate to waste the only burl I've ever had my hands on !!

thanks
James
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Larry Matchett
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Gulf Coast, Mississippi, Mississippi, USA
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Re: Punky wood
Reply #1 - Sep 3rd, 2011 at 4:42pm
 
I have good luck using waxless sanding sealer on punky spots when turning spalted bowls.  Depends on how large the punky spots are I suppose.   Thin CA glue works well also in some cases.
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Robert Harper
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Re: Punky wood
Reply #2 - Sep 3rd, 2011 at 4:48pm
 
If its just a small spot, I might use some CA. If it is larger then I don't bother. I have too much good wood to take a chance. I had some punky cherry come off the lathe and hit me in the arm. Since then, I don't take the chance.
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Nate Davey
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Albuquerque, NM, New Mexico, USA
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Re: Punky wood
Reply #3 - Sep 3rd, 2011 at 7:49pm
 
Depending on size, you can do a 50/50 mix of white glue and water and soak it for a day or so, then let it dry for a couple weeks then turn.  Good as new.
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Vaughn McMillan
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Albuquerque and Los Angeles, USA
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Re: Punky wood
Reply #4 - Sep 4th, 2011 at 4:29am
 
Minwax wood hardener worked pretty well the few times I've used it:

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Ronald Black
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Michigan, Michigan, USA
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Re: Punky wood
Reply #5 - Sep 4th, 2011 at 7:12am
 
I have a 10" dia. Sassafras bowl blank with a fairly large area of pinky wood inside and out.   bang head bang head  I plan on drawing an online of my home state over the area then burn the outline and do some Dremel work inside.  Then stain it black to cover the area.  Anyway it will be fun to try.  It is not on the "hot list" at this time as I have other things going.
Ron
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Cliff De Witt
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Re: Punky wood
Reply #6 - Sep 4th, 2011 at 8:12am
 
This is what I use on a lot of my Hackberry. You need a vacuum chamber but it sure works well on rough turned bowls.

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Bill Bolen
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Eureka, Missouri, USA
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Re: Punky wood
Reply #7 - Sep 5th, 2011 at 7:20pm
 
Like Vaughn I had good luck with the min wax product (avaliable at the borgs) just watch out for the fumes. Ran me out of the shop.
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Rev. Doug Miller
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Hardinsburg, KY, Kentucky, USA
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Re: Punky wood
Reply #8 - Sep 5th, 2011 at 11:48pm
 
Bondo makes a rotten wood stiffener as well.  Either of these 2 will work fine.
CoolRev. Doug Miller
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Jeff Barnett
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Re: Punky wood
Reply #9 - Sep 8th, 2011 at 7:54pm
 
I have used the minwax wood hardener as well and it exceeded my expectations.
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