I just finished putting a tung/linseed oil finish on a beech door and was surprised to see some sticky build up appear in spots after the second coat. My guess is I put it on too think, let it sit too long or didn’t wipe down the excess well enough.
My question is how can I remove my problem? The piece was stained with an oil base from varathane. Can I just steel wool it down to the stain and recoat with thinner coats of the oil mixture?
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Yeah, I would guess you should have thinned it out more.
Try rubbing the built up areas with paint thinner and steel wool -- gingerly. That should melt away enough of the excess oil to allow you to wipe it away.
Thanks! I'll try it tomorrow.
Tung oil (and especially penetrating or "Dansih" oils) can bleed out of wood even after the surface has been wiped dry. This is especially a problem in woods with large pores like oak (I've seen it on cherry, too).
To avoid the problem, use multiple, light coats of oil and rewipe the surface frequently. Let the finish cure for a day or more between coats. Be sure to let the work cure at least a week before applying a top coat finish.
Old finishers maxim for applying oil finishes:
once a day for a week
once a week for a month
once a month for a year
once a year forever....
Also, not all Tung oils are created equally. Tung oil, polymerized tung oil, and "Formby's Tung oil" are all different finishes.
I have used Sutherland Welles tung oil before with great results, but ran out and don't have a local supplier.
I went ahead and used a blend of boiled linseed oil and Old Masters Pure Tung Oil. I think my biggest problem was failing to thin the mixture a bit. I also re-wiped in 24 hours which I now know to be too soon given the increased heat and humidity this time of year.
I'm gonna try to wpie of the residue with paint thinner and steel wool and recoat the entire piece with a thinned out il.
thanks for the info.
Instead of scraping off the oil, try using thinned oil to remove it. It's worked well for me in the past. The oil and its solvent will dissolve and loosen the seepage you have.
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