I've been wondering about the blo (or tung oil)/poly/mineral spirits blended finish. Does the first coat of the blend create a film from the polyurethane that will seal out the oil in additional coats? I've used it a few times with good results but can't wrap my head around this question. Thanks for any info.
The oil is there to bring out the grain, especially good for woods like maple and cherry. After the first or second coat, then I typically would go to just Varnish or poly mixed 50/50 with M.S; and leave out the oil.
I would do samples. From a durability or application standpoint, you can totally leave the oil out. It provides a look and slows dry time and not much else.
The thinner is what will determine build. More thinner=less solids and vise versa. More solids=more build of finish.
But the first few coats, you want thin. Without thinning it just sits on top and you wipe most of it off. It also won't level out as much.
If you do a blend or varied course of different things, i find it easiest to just make the maloof blend and just use that for each coat. Nothing I tried was really noticeable to the eye when looking at them separately. Only when side by side and barely.
Different if I don't want a film finish, but if i don't mind a film or need the protection i have just been using homemade maloof blend or ArS
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