Reply by Joey

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Posted on Finishing problem, need your help!

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276 posts in 4021 days

#1 posted 04-04-2009 12:45 AM

Spar is more of an exterior finish. Mainly for doors and some marine applications. Wipe on poly is the easiest to use, and you get good results. I don’t normally stain finer harwoods so I prefer using the blend. It’s easy and you get very good results. The look and feel is different, and I prefer it. I use the wipe on poly when I make something for someone else, except for this table I’m making, I really want it to stand out.
Laurent— most of the “tung oils” you buy at hd or lowes don’t even have real tung oil in them or have miniscule amounts. Pure tung oil and boiled linseed are penetrating oils, they soak into the wood and reveal the real beauty of the grain. The only drawbacks are that they take longer to dry, this is why I mix poly in, also blo has metallic driers in it. Real pure tung oil would take days or even weeks for the first coat to dry if you put just it on. The other drawback is that you can’t use them over stain. The stain has oil and driers in it and acts to seal to wood also the pigments sit on top of the wood.
I would suggest playing around with different finish until you find what you like. That’s all that matters. But wiping ok any finish will get better results most of the time. Spraying laquer and then rubbing it out to a high gloss is good, but can be slot of work. I don’t think 600 grit is high enough though to get a glossy finish. I would go with what Charlie says until you’ve practised more.

-- Joey, Magee, Ms

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