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Powder Post Beetles In A Finished Walnut Chair

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Forum topic by gfadvm posted 757 days ago 1867 views 0 times favorited 34 replies Add to Favorites Watch
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gfadvm

9530 posts in 1189 days


757 days ago

Topic tags/keywords: powder post beetles

I searched all the previous threads on this topic and didn’t get a definative answer so I’m posting this. I recently built a walnut folding chair, finished with several sprayed coats of Spar Urethane, and sold it for a good bit of $. The owners report tiny holes with bits of sawdust have appeared. I want to do the right thing but they aren’t looking for a refund if it can be fixed (bugs killed) or I’ll make them another but I still need to know what to do to kill these critters if possible. Calls to several exterminators have not produced any answers as they don’t know what to do either. HELP! Edit: This was supposed to be kiln dried lumber so I don’t know where these came from and I haven’t seen any other damage in my shop?

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm


34 replies so far

View rance's profile

rance

4104 posts in 1659 days


#1 posted 757 days ago

Put it in a microwave for 5min on defrost.

or

Fumigate it for a few days and then test it/give it back.

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

View Greg The Cajun Box Sculptor's profile

Greg The Cajun Box Sculptor

4735 posts in 1807 days


#2 posted 757 days ago

Rance…you must have one huge miscowave if you can fit a chair in it.

Powder post beatles. They are a pain. I threw away a cabinet once that had them but I understand that there are options to get rid of them. i am not sure what they are but i have seen others post about their solutions.
Good Luck!

-- Every step of each project is considered my masterpiece because I want the finished product to reflect the quality of my work. http://www.FineArtBoxes.com

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Tim Dahn

1437 posts in 2064 days


#3 posted 757 days ago

I bet if you put the chair in a big black trash bag and left it out in that Oklahoma sun it would be almost like an oven or kiln inside.

-- Good judgement comes from experience and experience comes from poor judgement.

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patron

12837 posts in 1840 days


#4 posted 757 days ago

i don’t know if it might work andy
but as it folds up

if you can put it in a top opening freezer
and let them freeze for a while
that may do it

if not wrapped in some plastic sheeting
with some exterminator powder
or fumes might work
(like tenting a house)

good luck

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

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reggiek

2240 posts in 1769 days


#5 posted 757 days ago

Here is some info I’ve used before. They have some excellent information on Powderpost Beetles

-- Woodworking.....My small slice of heaven!

View SnowyRiver's profile

SnowyRiver

51451 posts in 1979 days


#6 posted 757 days ago

I would just put the chair in a large plastic bag or sheet of plastic, shoot some insecticide in it and close it up for 48 hours.

-- Wayne - Plymouth MN

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SuburbanDon

475 posts in 1493 days


#7 posted 757 days ago

I like the black bag in the sun idea.

-- --- Measure twice, mis-cut, start over, repeat ---

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sIKE

1271 posts in 2253 days


#8 posted 757 days ago

You might try fuming with some amonia

-- //FC - Round Rock, TX - "Experience is what you get just after you need it"

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Loren

6738 posts in 2147 days


#9 posted 757 days ago

Find a place that paints cars, put in in the oven they use to
cure the paint. Any antique dealer who handles furniture
should be able to make recommendations to your client.

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gfadvm

9530 posts in 1189 days


#10 posted 757 days ago

Thanks for all the quick replys. Can I fumigate it effectively by bagging it and setting off one of those Raid bombs in the bag; then leave it bagged for a period of time? This is my problem NOT the new owner’s so I need to deal with it. Thanks again my friends.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View SnowyRiver's profile

SnowyRiver

51451 posts in 1979 days


#11 posted 757 days ago

I would just go to your local garden center and get some insecticide for powderpost beatles and use that in the bag.

-- Wayne - Plymouth MN

View SCOTSMAN's profile

SCOTSMAN

5000 posts in 2084 days


#12 posted 757 days ago

I feel your pain brother , it must be very frustrating to have executed a piece of work and have this happen. I beg you not to worry yourself sick over it keep in touch with the people and some of these ideas will work. I would contact a local university or wood college and ask their opinion before starting on any of the frezing heating ideas they may make the damage worse or joints come loose etc take it easy and keep cool,after all it’s not exactly your fault.Alistair

-- excuse my typing as I have a form of parkinsons disease

View bruc101's profile

bruc101

526 posts in 2041 days


#13 posted 757 days ago

About 8 years ago I was helping the finishing department for a small aerospace plant on a project for a couple of weeks. Three of us were in the finishing department one Saturday morning all decked out in our clean suits doing some serious work for one of their finishers who just happened to be a woodworker.

We had their drying oven set at 200 degrees for one hour. Inside the oven on the drying racks were 2 dozen 2×8’s x 8 feet long full of the famous wood eating bug…at the end of the hour those wood eating bugs were no longer living…course we had some cleaning to do to purge the oven of dust.

So, heat does kill them.

-- Bruce http://plans.sawmillvalley.org http://www.sawmillgirls.com

View Joseph Jossem's profile

Joseph Jossem

294 posts in 767 days


#14 posted 757 days ago

Those nasty powder monkeys I have had to deal with them constantly in hawaii last 15 years cut a nice tree they like they appear withn hours.

IF you have acess freeze it hahaha but it works.from there I have used thinner and all sorts of chemicals the best I have found is the bayer poison from homedepot make sure it gets in good.

View LittlePaw's profile

LittlePaw

1565 posts in 1577 days


#15 posted 757 days ago

Here’s my five cent’s worth, Andy. 1) KNOW SOMEONE WITH A WALK-IN FREEZER? Leave the chair in it for a few days. 2) disassemble the chair; put all parts in a big plastic bag and set off a bug balm in it and leave it alone for a day or 2 or 3 . . . until you hear nothing with your stethoscope. Hope for the best!

-- LittlePAW - The sweetest sound in my shop, next to Mozart, is what a hand plane makes slicing a ribbon.

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