Gauging moisture content

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  • mdutch
    Established Member
    • Nov 2005
    • 140
    • Dallas, TX, USA.

    #1

    Gauging moisture content

    Okay, so I'm a hobbyist. Let's say I buy some wood, but not a lot because I want to stay married. How do I gauge the moisture content of the lumber and find out if it's ready to work with? Is this just a "learn as you go" process? Do I need to buy my 6x6's six years before I need them?

    Sure, I can certainly pick up a board and go "****, this thing is wet", usually because I hear my back give out. And conversely, if I pick up a 4x4 cedar post and it floats out of my hands feeling like balsa, then I can expect it to be pretty dry.

    Since what I buy is at an unknown point somewhere between "green" and "dry", and I obviously don't know how far, can you rough-figure by weight? I mean, is there a table of moisture percentages that show the general weight of a particular wood per board-foot? That would be a cool resource. Or should I get a moisture gauge? I have no idea how they work, where they come from or how expensive they are....
    Dutch·man Pronunciation (dchmn)n.
    3. Something used to conceal faulty construction.
    Another DFW BT3'er!
  • LarryG
    The Full Monte
    • May 2004
    • 6693
    • Off The Back
    • Powermatic PM2000, BT3100-1

    #2
    You need a moisture meter (and so do I). The varying density of individual pieces of wood makes judging moisture content by weight essentially impossible.

    Moisture meters are one of those things on which you can spend as much as you want to. Basic models can be had for $35-40; top of the line ones will run $250-300. My impression is that a very servicable one can be had for $75-100.
    Larry

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    • Otter
      Senior Member
      • Nov 2003
      • 865
      • Cumming, GA, USA.
      • Delta Left Tilt UniSaw

      #3
      I agree with Larry, it is a tool, therefor you need it
      All men dream, but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find that it was vanity: but the dreamers of the day are dangerous men, for they may act their dream with open eyes, to make it possible

      T.E. Lawrence

      Comment

      • JR
        The Full Monte
        • Feb 2004
        • 5636
        • Eugene, OR
        • BT3000

        #4
        quote:Originally posted by LarryG

        Moisture meters are one of those things on which you can spend as much as you want to. Basic models can be had for $35-40; top of the line ones will run $250-300. My impression is that a very servicable one can be had for $75-100.
        FWIW - $19.99 at HF

        http://www.harborfreight.com/cpi/cta...temnumber=2757
        JR

        Comment

        • Ken Massingale
          Veteran Member
          • Dec 2002
          • 3862
          • Liberty, SC, USA.
          • Ridgid TS3650

          #5
          The Timber Check meter has done good for me, and it's available for around $60.
          http://www.mcfeelys.com/subcat.asp?subcat=11.11
          Ken

          Comment

          • mdutch
            Established Member
            • Nov 2005
            • 140
            • Dallas, TX, USA.

            #6
            quote:Originally posted by Otter

            I agree with Larry, it is a tool, therefor you need it
            See! All is clear now. Ask and you receive. I'm really starting to love this board!

            And Otter, I like the way you think. I may have you phone my wife to explain that to her.... [)]

            [edit] Now that I know what I'm looking for, let me pass back this link to the Wood Magazine moisture meters review. [/edit]
            Dutch·man Pronunciation (dchmn)n.
            3. Something used to conceal faulty construction.
            Another DFW BT3'er!

            Comment

            • jl
              Forum Newbie
              • Mar 2003
              • 91
              • Nova Scotia, Canada.

              #7
              If you have a scale you can weight the pieces of wood. Write the weight and the date down on the board. Repeat at regular intervals as long as the weight keeps getting lower. Once the weight is stable or goes up and down the wood is dry.
              Jean-Luc

              Comment

              • monte
                ***** Windbag
                • Dec 2002
                • 5242
                • Paw Paw, MI, USA.
                • GI 50-185M

                #8
                The moisture meter is the best way to go. No guessing at all.
                Monte (another darksider)
                Reporting Live from somewhere near Kalamazoo

                http://community.webshots.com/user/monte49002

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