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Torge wrote:
a friend is making a low wooden stool to sit on. he is using oak and seems
very keen to put linseed oil on it, which he says will bring out the
grain.
since this stool will go on to a japanese type padded mat, i dont want a
greasy finish on it. he says that i could put a water based semi matt
clear
varnish on it, on top of the linseed oil. can this be right? putting
varnish onto linseed oil seems a bit strange to me. if its not right
could
anyone advise me on what kind of varnish to put on top of the oak please.
I do this frequently when using water based poly or varnish. The water
based does very little to bring out the grain. DAMHIKT, but the
important thing is to make sure that the BLO is well cured before the
WB is applied. Wait at least a full 24 hours after the BLO app, I like
to wait 48 just to be sure.
Incidentally, my experience with BLO on (red) oak is that it darkens
the wood substantially. I like it myself, but if your friend may want
to experiment on scrap before applying to the stool.
--
Larry Wasserman Baltimore, Maryland
I agree -- TEST
Be aware, BLO, and other oil finishes, there is dry to touch time and cure
time. Dry to touch is something like 24 hours, but cure time can take weeks
and weeks with red oak because of wide and big wood cells. You don't need
full cure time to apply varnish top coat(s.) But you do need to check and
wipe down any seepage of BLO during drying time, and the 24 hours clock gets
reset to zero if any seepage occurs (this is because of large wood cellular
structure in red oak exposed during sawing and sanding will fill up with BLO
and drain out during drying.)
Phil S.