I often watch Woodworks with David Marks as I know a lot of you do. I wish there were more of these types of shows. When finishing his projects he often uses the tung oil, linseed oil (i assume boiled) and polyurethane combination. Is there a particular formula that works best when combining these? Can you buy them ore-mixed. If yes which one do you recommend? Are there certain types of wood that this works best with? When using just tung oil should you thin it out with thinner or turpentine, or just use it right out of the bottle?
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Replies
currently I'm trying that formula out now. I'm using a 1/3rd of each mix. I'll let ya know how it turns out.
One of my club members has a piece of furniture published on the back cover of fineWoodworking magazine. It is a Federal piece. The finish he uses on ALL of his projects is 4 hour Minwax wipe-on poly. His talent is incredible just like his finish.
does he use just the miniwax wipe on poly? or does he include the other ingredients?
Kenney66
Go White SOX
David's website says he uses Seal-A-Cell and Arm-R-Seal from General Finishes. Try this link:
http://djmarks.com/stories/faq/What_is_the_mix_ratio_for_the_Linseed_Oil_Tung_Oil_and_Urethane_46687.asp
If you go to his web site at http://www.djmarks.com/stories/faq/What_is_the_mix_ratio_for_the_Linseed_Oil_Tung_Oil_and_Urethane_46687.asp you can see what he uses. This link is from his FAQ.
Ken--
I have used the BLO-Tung oil-Poly mix on several projects. I have also experimented with different ratios. In my opinion, the more Poly, the more of film build you get. I have found that I prefer the following mixture:
50% - Tung Oil'
30% - Boiled Linseed Oil
20% - Poly
This mix gives descent protection and still lets the grain pop without a lot of film build up. I would suggest you simply experiment on your own to get a mix that YOU like. I am sure there are many others that prefer a different mix and/or different ratio content.
Good luck--
Thank you,
Cheatah
Kenney,
Others gave you the link to David's website for the information on the products he uses, so I won't go into that. Others use what works for them, like the mention of wipe-on poly.
Since I'm cheap, I mix my own rather than pay someone elso to do it. Wipe-on poly is just a thinned version of regular poly. I've made my own wipe-on by mixing poly/naphtha 1/1 and it works fine. Same is true for 'Danish oil' mixtures or any other combinations.
For instance, when finishing cherry I've settled on a process of starting with BLO/naphtha in a 1/1 ratio for the first rubdown. Subsequent applications will be Poly/BLO/Naphtha in a 1/1/1 ratio. I'll experiment with the ratio depending on the wood I'm using and the look I want.
BLO is cheaper than tung oil by a long shot, so it can save you a lot. However, if you want less ambering of the finish, tung is the way to go. In most cases, a little amber color warms the wood and is desirable; sometimes you may want as clear a finish as possible so you might have to try somthing less yellow like a soya-based oil product.
The bottom line is to listen to what others are doing and why, but don't hang your hat on your results being exactly the same as another's.
Regards,
Bill Arnold - Custom Woodcrafting
Mensa Member
Click Here if you're interested in a good, inexpensive website host.
Food for Thought: The Ark was built by amateurs; the Titanic by professionals.
I anyone is interested, I will post some images of gunstocks finished with various materials, BLO, epoxy, polyurethane, Waterlox, etc. All are on working guns and some are quite old, eighty and up.
Only one question, how do you post an image?
Grits
Grits,
When you post a message, there is a block below the edit window that says "Attach Files". Click it and follow the instructions. Depending on your browser, you might have to enable pop-ups for taunton.com.
Be sure the files you post are less than 100KB each, preferably 60KB or less. Posting large files ensures that folks on dial-up access will NOT look at your photos. Most of the images I post end up being 30KB to 50KB, although they may have been 300KB or more initially.
Let me know if you need further assistance.
Regards,
Bill Arnold - Custom WoodcraftingMensa Member Click Here if you're interested in a good, inexpensive website host.
Food for Thought: The Ark was built by amateurs; the Titanic by professionals.
If you want a Tung Oil, Linseed Oil, Poly mix buy Sam Maloof's finish (http://www.rockler.com search for Maloof).
General Finishes (David Marks finish) Seal-a-Cell & Arm-r-Seal are NOT this combination. The Seal-a-Cell has poly and some linseed oil in it and is used to seal and pop the grain. The Arm-r-Seal is just Poly and goes on over the sealer.
As someone said the tung oil,linseed oil urethane finish that David Marks uses does not contain any tung oil, Read the msds of all General finishes None of them contain any tung oil.Regards
Jerry
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