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Douglas fir?

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Forum topic by harum posted 01-07-2016 10:16 PM 706 views 0 times favorited 9 replies Add to Favorites Watch
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harum

260 posts in 1459 days


01-07-2016 10:16 PM

After removing old (25-35 years old?) window trims, decided to see if I can reuse them for other projects. Had to cut off layers of paint. Not sure, though, about what wood this is. Please see the photos. Douglas fir? Is there a way to see if this wood is chemically treated or not? The surface doesn’s have the grid of nicks/dents seen in pressure treated lumber from home centers. Would appreciate any suggestion on what wood this is and if it’s treated.

Best wishes!

-- "If you're not counting the ripples when throwing pebbles in the water, you're wasting your time."


9 replies so far

View conifur's profile

conifur

955 posts in 967 days


#1 posted 01-07-2016 10:29 PM

Looks like D F to me. Doubt it has been PT, I think you would see some evidence of it in the end grain.

-- Knowledge and experience equals Wisdom, Michael Frankowski

View bondogaposis's profile

bondogaposis

4434 posts in 2167 days


#2 posted 01-07-2016 10:32 PM

I’d say it is DF. Beautiful old growth with very tight rings, try buying something like that today. Sometimes they dipped window sash in Penta. Generally not DF though, because It doesn’t take up treatment of any kind very well due to it’s cellular nature. Penta has a very distinct chemical odor, if it has been treated you’d be able to smell it.

-- Bondo Gaposis

View pjones46's profile

pjones46

997 posts in 2459 days


#3 posted 01-07-2016 10:32 PM

Refer to http://lumberjocks.com/topics/2605

Theer is a discussion.

-- Respectfully, Paul

View Joel_B's profile

Joel_B

326 posts in 1197 days


#4 posted 01-07-2016 10:40 PM

Nice DF, true you can’t buy that anymore.

-- Joel, Encinitas, CA

View shampeon's profile

shampeon

1775 posts in 1999 days


#5 posted 01-07-2016 10:42 PM

Yeah, DF unless you’re living back east somewhere. As Bondo sez, very nice, old-growth, tight-ringed doug fir.

These were beams in a demo’d house. They’re now my workbench legs.

-- ian | "You can't stop what's coming. It ain't all waiting on you. That's vanity."

View harum's profile

harum

260 posts in 1459 days


#6 posted 01-07-2016 11:04 PM

Appreciate all the responses! Thanks for the link, pjones46. Shampeon, have you looked into whether the beams are treated? All the boards have a pair of big nail holes every 16-20” along the entire length.

-- "If you're not counting the ripples when throwing pebbles in the water, you're wasting your time."

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shampeon

1775 posts in 1999 days


#7 posted 01-07-2016 11:13 PM

They had some remnants of paint on them, but underneath it was just bare wood. I assumed that the paint could have lead, planed the rest of it it off with my scrub plane, and then jointed/surface planed the boards.

I’m reasonably sure they wouldn’t have treated doug fir that was going to be painted.

-- ian | "You can't stop what's coming. It ain't all waiting on you. That's vanity."

View Smitty_Cabinetshop's profile

Smitty_Cabinetshop

14778 posts in 2434 days


#8 posted 01-08-2016 12:33 AM

I’m with Ian. Nice get, harum!

-- Don't anthropomorphize your handplanes. They hate it when you do that. -- OldTools Archive --

View Steve's profile

Steve

186 posts in 1816 days


#9 posted 01-09-2016 03:58 AM

Douglas Fir alright.

Here is some 3”x 3” legs I laminated with it, great stuff.

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