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  • plywood finish

    I don't know if this has been asked before. I have lots of plywood and would like to know the best way to finish it. I have lots of paints from the dollar store but I find that the wood swells up with this water paint.
    Do you ever just put BLO or Tungst oil on plywood?
    Or should I just buy some acrylic paints?
    Diane
    Dragon
    Owner of a nice 21" Excalibur
    Owner of a Dewalt 788
    PuffityDragon on AFSP

  • #2
    Hi Diane, to answer your question BLO is a great finish its all I use now, its easy to apply I just dip the wood in a pan of BLO let the excess drip off and wipe, the BLO air dries in about 12 hours (at least in Florida it does)
    Daryl S. Walters Psycotic scroller with a DeWalt 788

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    • #3
      Plywood Finish

      Originally posted by Dragon
      I don't know if this has been asked before. I have lots of plywood and would like to know the best way to finish it. I have lots of paints from the dollar store but I find that the wood swells up with this water paint.
      Do you ever just put BLO or Tungst oil on plywood?
      Or should I just buy some acrylic paints?
      Diane
      Hi Diane, you may want to try a sanding sealer before using the paints that you have mentioned. I believe that might prevent the ply from absorbing the water in paint. Be sure to let the sealer dry completely. Test a piece of scrap and experiment. Steve
      If This HillBilly Can't Fix it Then it Ain't Broke!!!
      My Gallery
      [email protected]

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      • #4
        Never heard of sanding sealer. Will have to check that at the store.
        Dragon
        Owner of a nice 21" Excalibur
        Owner of a Dewalt 788
        PuffityDragon on AFSP

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        • #5
          Diane, I sand my plywood to 400 grit before I apply the pattern and cut it. There is very little sanding to do when the cutting is finished. I use Formby's tung oil finish, applying at least 3 or 4 coats sometimes more depending on the look I want. To use water base finishes you can apply water to the wood with a damp sponge which will raise the grain on the plywood. Let it dry and then sand it down as smooth as you like. Remove the dust and apply your finish, it may raise the grain slightly again. Just sand it lightly and apply your next coat. Try this on some scraps so you will know what to expect. Good luck with it. The tung oil will turn the wood slightly amber color.
          Last edited by Mick Walker; 01-12-2007, 10:51 AM.
          Mick, - Delta P-20

          A smile is a small curve that straightens everything out.

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          • #6
            Sanding sealer is usually just a thinned-down shellac. If you have shellac, dilute it heavily with lacquer thinner or denatured alchol and apply it before painting!

            Bob
            www.GrobetUSA.com

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            • #7
              Diane:

              Before using any water based finish, wipe with a damp sponge to moisten the wood. This will "Raise the Grain" or in other words, cause small wood fibers to stand up off the surface of the wood. When dry again, use a 180 grit sandpaper, or finer, and very lightly, sand to remove the fibers that are standing up. Use a block of wood, or sanding block, to wrap the sandpaper around.

              This extra step will help prevent the wood fibers from poking thru the finish and causing all kinds of problems. Sanding sealer will also prevent water based finishes from Raising the Grain in later finish coatings.

              This is just my opinion: Sanding sealer is used a lot with Pine and other soft woods due to the way the softwoods absorbs finish. Sanding sealer will prevent a finish from Pooping the grain in dull hardwoods like Birch. There are whole chapters in finishing books on large pore hardwoods like red oak and applying sanding sealers or other products to fill up the exposed pores to make the end result look professional.

              Phil

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              • #8
                Thanks alot everybody for this information. I have some plywood which I would like to use up so I might have to invest in a small container of this sanding sealer. Looking into it this afternoon.
                Diane
                Dragon
                Owner of a nice 21" Excalibur
                Owner of a Dewalt 788
                PuffityDragon on AFSP

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                • #9
                  Diane..I use some stuff called "Folk Art" sanding sealer. It comes in a spray can and once sprayed on the wood it just takes a few minutes to dry. Works great!! I think it's manufactured by by a company called "Plaid". It's good stuff to use if you're going to paint the wood but doesn't work very well with stains. It has sort of a waxy feel when dry and doesn't allow the stain to penetrate the wood. Can't beat it for painting though!!!
                  If it don't fit, don't force it....get a bigger hammer!!

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                  • #10
                    Went to 2 stores today and nobody has heard of sanding sealer. Will have to telephone and check out other places.
                    Diane
                    Dragon
                    Owner of a nice 21" Excalibur
                    Owner of a Dewalt 788
                    PuffityDragon on AFSP

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                    • #11
                      Lowe's or home depot will have sanding sealer, available in regular shellac base like Bob says, or now you can get it in acrylic where it'll dry in an hour easy. If they say they don't have it, they don't know what they have...it's in the same section as stains and polyurethanes. It will say sanding sealer in huge letters.
                      Jeff Powell

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                      • #12
                        I will check again when I go back to the city on Monday. I don't need it right today anyway. I will not be cutting much this weekend I have a lot of work to finish and deliver for Monday.
                        Thanks for that info. And yes when I asked yesterday they didn't seem to know what section to look into for this product.
                        Diane
                        Dragon
                        Owner of a nice 21" Excalibur
                        Owner of a Dewalt 788
                        PuffityDragon on AFSP

                        Comment


                        • #13
                          Hi Diane, here is a photo of minwax sanding sealer from lowes.com. It is of the gallon size but the quarts and pints should be in the same section with similar labels. The item # for the gallon is 110868. Steve
                          Attached Files
                          If This HillBilly Can't Fix it Then it Ain't Broke!!!
                          My Gallery
                          [email protected]

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                          • #14
                            Diane:

                            Go to Amazon.com, and search in tools and hardware for sanding sealer. I got about 24 hits just at Amazon.com.

                            Don't use sanding sealer with any oil based product like BLO, Tong Oil, or Danish Oil. (my opinion only!) You don't need sanding sealer with wipe on poly either.

                            Don't know about home improvement stores in your area (Quebec) but Home Depot carries two brands of sanding sealer in my local BORG.

                            Phil
                            (Big Orange Retail Giant = BORG; "We will assimilate you")

                            Phil

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                            • #15
                              Went to Rona yesterday and they didn't have it. I will try Home Hardware and see if they will even order it for me. Now I know what the can looks like. I searched all the shelves and didn't see anything like that.
                              Thank you all.
                              Diane
                              Dragon
                              Owner of a nice 21" Excalibur
                              Owner of a Dewalt 788
                              PuffityDragon on AFSP

                              Comment

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