Wood Identification Help

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Forum topic by GeoffKatz posted 02-17-2016 01:36 AM 547 views 0 times favorited 11 replies Add to Favorites Watch
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24 posts in 420 days

02-17-2016 01:36 AM

Hello Everybody. I’m interested in building an outdoor structure with a suspended bed-like platform, along the lines of this image floating around the internet:

I wonder if anyone could help me to identify the wood used in this picture, mainly the big columns and joists. I know that this piece needs a weatherly outdoor wood as well as something with enough strength to support a lot of weight. Any help is greatly appreciated.


11 replies so far

View 01ntrain's profile


135 posts in 490 days

#1 posted 02-17-2016 02:55 AM

I would say that’s nothing more than treated posts that are finished with a stain. Nothing fancy about that….which would be fine in your case. It would be economical…..

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Rick M.

7699 posts in 1800 days

#2 posted 02-17-2016 03:20 AM

Agreed: pressured treated SYP with a deck stain.


View GeoffKatz's profile


24 posts in 420 days

#3 posted 02-17-2016 03:25 AM

Thanks guys. Good for the wallet.

View LiveEdge's profile


476 posts in 1040 days

#4 posted 02-17-2016 03:48 AM

Holy cow! 16 4×4 posts? You could probably put a bus on that swing and the posts would hold… :)

View shipwright's profile


7087 posts in 2218 days

#5 posted 02-17-2016 04:27 AM

In my part of the world that would be western red cedar and it looks kind of like it but it would help to know where the photo was taken.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees.

View firefighterontheside's profile


13071 posts in 1277 days

#6 posted 02-17-2016 05:01 AM

The grain on the nearest post definitely looks like SYP, but I have my doubts whether it’s pressure treated. Definitely can’t get rough sawn treated around here. It looks rough sawn and with a band mill.

-- Bill M. "People change, walnut doesn't" by Gene.

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3463 posts in 1686 days

#7 posted 02-17-2016 05:14 AM

I’m gonna vote for Doug fir. That tree branch at the top of the photo looks like a fir.

View LiveEdge's profile


476 posts in 1040 days

#8 posted 02-17-2016 05:22 PM

Those big, oblong knots you see on the left usually scream pine to me.

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15462 posts in 2427 days

#9 posted 02-20-2016 04:08 PM

Hey geoff i tried sending you a pm but if youre located near CT i may have some timbers that would match what youre looking for. Big honkin timbers.

-- "there aren’t many hand tools as awe-inspiring as the #8 jointer. I mean, it just reeks of cast iron heft and hubris" - Smitty

View bondogaposis's profile


3969 posts in 1771 days

#10 posted 02-20-2016 07:02 PM

You could use any construction grade lumber for that, if the posts are not sunk into the ground. If they are, then use pressure treated rated for ground contact.

-- Bondo Gaposis

View jbay's profile (online now)


700 posts in 319 days

#11 posted 02-20-2016 07:07 PM

Looks like 2- 6×12’s put together for each post. I’d say Douglas Fir

compare the width of the stone trim around the pond to the thickness of the beams. I’d say they look to be 4”.
that’s where I come up with 6x’s for the beams

-- Many times my “MO” involves Judging others, playing God, acting as LJs law enforcement, and never admitting any of my ideas could possibly wrong or anyone else's idea could possibly be correct.--

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