I am planning a sideboard constructed from teak plywood and am interested in ideas for finishing. Would the traditional finish of teak oil work on veneered plywood? Any brands that work well?
Thanks for your thoughts!
I am planning a sideboard constructed from teak plywood and am interested in ideas for finishing. Would the traditional finish of teak oil work on veneered plywood? Any brands that work well?
Thanks for your thoughts!
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Replies
TBMS
It sure has caused me plenty of grief on my boat.. there is a surprising amount of teak on my 28 foot Searay and any of it that is plywood has had issues with the veneer raising after I oiled it.. Now granted that's over years and in a boat, but I wouldn't trust it based on my experiance.. raw teak is wonderful and cleans up nicely if you get something on it.. oiling sure doesn't offer any additional UV protection..
What kind of teak oil are you considering? As far as I know there is no such thing, there are only wiping varnishes packaged to confuse the consumer and make more profit for the manufacturer.
Some of those "teak oils" are oil/varnish mixes, and apparently according to Bob Flexner some may even be mineral oil, for what good that does. Same priniciple.
You are right Steve. Some are oil varnish mixes as well. That is why I asked what "Teak oil" he was talking about.
And yet people still act as if these things are something that they aren't. They lump wiping varnish and oil/varnish mixtures and actual oils all in the same group when the uses and methods of application aren't even the same.
It just irritates me that the finish manufacturers are so deceitful and the consumers let them get away with it by not even bothering to become informed as to what they are using. Then they wonder why they have problems. If you apply an oil/varnish mix as if it were a wiping varnish you are going to get a sticky mess. If you apply a wiping varnish as if it were an oil finish or an oil/varnish mix you are just wasting your time and money.
Edited 10/16/2007 9:50 pm ET by Rob A.
Hi Rob ,
How about a brand called " Dalys Seafin Teak Oil " I have used it on exterior wood .
dusty
Dusty,
The Daly's Teak oil is another wiping varnish that is misrepresented as an oil finish. It is described in the MSDS as an Oil/Resin/Petroleum Solvent mixture. Basically varnish. It also lists the mineral spirits content as 65%.
Here is a link to the MSDS if you are interested,http://www.dalyspaint.com/PDF/msds/M-TeakOil.pdf . It is in PDF form so I can't cut and paste it.
As a general rule any finish that you are curious about if you google the name of the finish and MSDS you can find the MSDS quickly. It will tell you a lot more about what the finish is than the manufacturers will. I have never understood this as you would think that they would want the customer to be happy with their product and even the most knowledgable finisher cannot get good results without knowing what it is he is applying. Different materials have different uses and methods of application.
Do you remember how they instructed you to apply it? It sounds like they are saying it is an oil finish, which it isn't, and if you applied it that way you certainly took a lot longer to achieve the finish than you needed to.
Rob, Daly's is an oil/varnish mixture. It's not a thinned varnish. The "resin" called out in the MSDS is really a varnish. To become a varnish, the oil and the true resin must be heated together until a new compound called varnish is created. If you look up the MSDS for a true thinned wiping varnish you will find two components. One is listed as "varnish" the second is the thinner-generally mineral spirits.Howie.........
Howie and Steve.
Thanks for setting me straight. I guess I just assume that anything with more than 60% mineral spirits is a wiping varnish. I should have checked closer before spouting off.
It's the finish manufacturer's that have something to apologize for, since they are the ones making it hard to tell what is in their products or even to discover something so basic as "this is varnish" or "this is a mixture of oil and varnish".
I use Watco Danish Oil Finish or Watco Marine Teak Oil. The marine grade variety ( blue label) has UV protective qualities if that interests you. When I use the Danish Oil variety I find that I need to use a little Japan drier to speed it up.
Another favorite of mine is Minwax Antique Oil Finish. It dries fast and looks great.
Oil is a good choice for teak ( solid or ply ) but I wouldn't use it on a surfuce where a drinking glass might get left. Oil doesn't protect against stains very well.
Cushing, Maine
http://brookfieldwoodworking.com/
Watco Danish oil (a thinned varnish made to be wiped on)MSDS:
Chemical Name
CAS Number
Weight % Less Than
ACGIH TLV-TWA
ACGIH TLV-STEL
OSHA PEL-TWA
OSHA PEL-CEILING
Mineral Spirits
8052-41-3
60.0
100 PPM
N.E.
100 PPM
N.E.
The following materials are non-hazardous, but are among the top five components in this product.
Chemical Name
CAS Number
Raw Linseed Oil
NOT AVAILABLE
Resin
NOT AVAILABLE
Zirconium Drier
NOT AVAILABLE
Watco Marine Teak oil (another wiping varnish) MSDS:
Chemical Name
CAS Number
Weight % Less Than
ACGIH TLV-TWA
ACGIH TLV-STEL
OSHA PEL-TWA
OSHA PEL-CEILING
VM&P Naphtha
64742-89-8
40.0
300 PPM
N.E.
300 ppm
N.E.
Mineral Spirits
8052-41-3
15.0
100 PPM
N.E.
100 PPM
N.E.
Chemical Name
CAS Number
Raw Linseed Oil
NOT AVAILABLE
Resin
NOT AVAILABLE
Pigment Dispersion
The Minwax MSDS is only available in PDF format so I can't paste it here. But they, being one of the most deceitful of all of the manufacturers are a little more sneaky. They list an ingrediant they call Stoddard solvent (mineral spirits) as 65% of the product. Why would you want to pay a premium to have the liars at minwax add 65% mineral spirits to a mediocre varnish and then sell it to you. And Rockler is oversold on this stuff!
Find a good varnish and add your own mineral spirits or BLO to it. You will save money, have control over the strength of the mixture and you will no longer support the people whose mission is to keep you in the dark.
NOT AVAILABLE
Edited 10/17/2007 1:38 am ET by Rob A.
Rob,
Watco isn't a wiping varnish, its an oil/varnish mix and does need to be wiped off so that no film can build. It is used as an oil finish, and can be mostly treated as an oil. So I don't find labeling it Danish Oil to be more than mildly deceitful.
A similar sounding product is Waterlox, which in fact is a wiping varnish, and a pretty good one, despite paying a lot for mineral spirits. It's label instructions tell you to use it as a wiping varnish, though it is pretty easy from reading them to think it is a mixture containing oil, when in fact it is a varnish made, like all varnishes, with oil as an ingredient of the new chemical compound varnish. While you can easily make your own wiping varnish by thinning your favorite varnish, I particularly like the mellow sheen on the Waterlox Original/Sealer. I find sheen a property a bit hard to control when thinning varnish other than gloss.
I'm not much fond of Minwax products either.
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