Douglas fir lumber is too moist

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Forum topic by huyz posted 03-16-2016 05:29 AM 672 views 0 times favorited 4 replies Add to Favorites Watch
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58 posts in 855 days

03-16-2016 05:29 AM

Topic tags/keywords: wet lumber wet wood wet lumber moisture moist question

I bought green douglas fir and wasn’t expecting the lumber to be so moist, since the first time I bought it everything was dry and I didn’t give it a second thought. Anyway I ripped a 2×10 down some and crosscut some, everything looked great. Until I tried drilling holes in it. The moisture inside was sticking to the drill bit and making the holes really messy. Same with the forstner bit.

Any idea why moisture content is so different than the green lumber I got last time? I read a bit on LJ and seems I should dry it to 10-15% moisture, and need to get a moisture meter to check. It’s currently stored in the garage, some boards on the concrete and some spaced out with scrap flooring. Perhaps I should put a fan in there and run it with the garage cracked open during the day.

I’m in Southern California by the way, if that matters.

Any tips on what to do? Thanks for the help!

4 replies so far

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58 posts in 855 days

#1 posted 03-16-2016 05:56 AM

By the way, the lumber was so moist it left visible water on the planks of flooring I used as spacers.

This guy also suggests standing them straight up against a wall (for some reason?) in a heated room:

Maybe i can keep the garage shut and put a portable heater in there, and open the garage a few times a day to get fresher air in?

View SignWave's profile


440 posts in 3029 days

#2 posted 03-16-2016 06:08 AM

You said it was a 2×10. Was this construction grade S-P-F (dimensional) lumber? If so, then I wonder if it’s Pressure Treated. All the non- pressure treated stuff you buy where I am is marked KD (Kiln Dried).

-- Barry,

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58 posts in 855 days

#3 posted 03-16-2016 06:14 AM

I got 2×10, 2×6 and 2×4s. I’m pretty sure they all said green douglas fir, and had nothing on the signs saying pressure treated. I think it was ~$8.50 per 2×10, ~$3 per 2×4.

View WDHLT15's profile


1741 posts in 2470 days

#4 posted 03-16-2016 11:58 AM

There is a lot of water in wood, and you do not want to close up the garage and have all that water evaporating as it can cause stuff to rust or mildew/mold in your garage. Keep the door open and a fan will help immensely. You have to get the water vapor out.

-- Danny Located in Perry, GA. Forester. Wood-Mizer LT40HD35 Sawmill. Nyle L53 Dehumidification Kiln.

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