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Author Topic: Burning"Pressure Treated" lumber scraps?  (Read 6396 times)

Marleywood

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Burning"Pressure Treated" lumber scraps?
« on: September 27, 2018, 01:39:03 PM »

Seems like this must have been discussed before, so I apologize, I obviously suck at using the forum "search" feature, although I tried.

Anyway, we just finished building a deck on the house framed in pressure treated lumber.  We have quite a bit of odds & ends scrap.  Is this OK to burn in the outdoor furnace?  I live in a very secluded area.  Will it hurt my furnace?  (Or us?).

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greasemonkoid

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Re: Burning"Pressure Treated" lumber scraps?
« Reply #1 on: September 27, 2018, 03:14:07 PM »

The gasses are toxic, creosote is toxic, ashes are toxic, and it's illegal.

Supposedly a teaspoon of ash contains enough arsenic, among other things, to kill a man.

If the labels say not to handle without gloves, it's probably nasty stuff.




I wonder how many people have burned this stuff and thrown the ashes in their garden.
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shepherd boy

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Re: Burning"Pressure Treated" lumber scraps?
« Reply #2 on: September 27, 2018, 06:24:13 PM »

 A fellow told me once that he had cows dying and couldn't figure out why. Found a place where someone had burned old treated fence posts years ago and the cows liked the salt and were licking the ground.
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CountryBoyJohn

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Re: Burning"Pressure Treated" lumber scraps?
« Reply #3 on: September 27, 2018, 07:13:54 PM »

I throw dry plain lumber scraps in mine. But never anything treated.
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Marleywood

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Re: Burning"Pressure Treated" lumber scraps?
« Reply #4 on: September 28, 2018, 08:59:13 AM »

The gasses are toxic, creosote is toxic, ashes are toxic, and it's illegal.

Supposedly a teaspoon of ash contains enough arsenic, among other things, to kill a man.

Not to disagree with you about the dangers, and I'm sure it's still dangerous to breath, but I don't believe arsenic has been in used pressure treated lumber for quite some time now.   I know you shouldn't burn old PT wood for that reason.   These are brand new scraps.
« Last Edit: September 28, 2018, 11:07:06 AM by Marleywood »
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juddspaintballs

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Re: Burning"Pressure Treated" lumber scraps?
« Reply #5 on: September 28, 2018, 03:43:40 PM »

I've probably thrown a scrap or two in the boiler here and there.  I didn't die and my boiler still works.

I'm not sure I'd make a habit of burning PT lumber, but a scrap here and there probably won't hurt. 
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greasemonkoid

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Re: Burning"Pressure Treated" lumber scraps?
« Reply #6 on: September 28, 2018, 04:15:07 PM »


Not to disagree with you about the dangers, and I'm sure it's still dangerous to breath, but I don't believe arsenic has been in used pressure treated lumber for quite some time now.   I know you shouldn't burn old PT wood for that reason.   These are brand new scraps.

You're right, some derivative of copper these days, depending on manufacturer. I wonder what the toxic ingredient is that gloves should be worn when handling.

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Scratch

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Re: Burning"Pressure Treated" lumber scraps?
« Reply #7 on: September 28, 2018, 06:40:59 PM »

I've probably thrown a scrap or two in the boiler here and there.  I didn't die and my boiler still works.

I'm not sure I'd make a habit of burning PT lumber, but a scrap here and there probably won't hurt.
Same here
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tinfoilhat2020

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Re: Burning"Pressure Treated" lumber scraps?
« Reply #8 on: September 28, 2018, 07:19:59 PM »

all my cut offs go in the boiler...plenty of treated chunks over the years...even the gassers liked the treated stuff, burn hott >:D >:D >:D
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