Linseed oil and shellac

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Forum topic by Brianslost posted 05-23-2011 03:05 AM 2671 views 0 times favorited 5 replies Add to Favorites Watch
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2 posts in 2684 days

05-23-2011 03:05 AM

I am building some doors and side panels for a hot tub outside. I like to use boiled linseed oil to keep the look of the wood. I want to make sure its protected as best I can from the elements. Can I put shellac (from a can) over top of the linseed oil finish? The can instructions don’t really say if I can do this. I used poplar for the panel frame and planed pallet wood (oak I think) for the panel center.I’m very happy with the look of the door (I don’t have a lot of joinery under my belt) with the linseed oil finish but I want to make sure the weather doesn’t destroy it.


5 replies so far

View Alster's profile


101 posts in 3212 days

#1 posted 05-23-2011 03:17 AM

Water will ruin your shellac. And eventually UV will eat through most polyurethanes. Get a good marine varnish instead. A fairly recent magazine product test showed epifanes outlasted the next best by a wide, wide margin.!6456&keyword=epiphanes

View Steven H's profile

Steven H

1117 posts in 3058 days

#2 posted 05-23-2011 04:07 AM

I agree with Alster.

View Loren's profile


10390 posts in 3646 days

#3 posted 05-23-2011 04:24 AM

Shellac is not a good outdoor finish. Go with spar varnish or even a 2-part
type marine finish for maximum toughness.

View fussy's profile


980 posts in 3049 days

#4 posted 05-24-2011 07:40 AM

What they said. Oil is useless outside, shellac won’t last a week outside, and poplar will self-destruct (so will oak if it’s red oak). Go with Epifane’s marine varnish. Follow instructions. You should be fine with oil under it; just let it dry. The stuff costs money, but you don’t want to have to do it again, and again, and——-.


-- Steve in KY. 44 years so far with my lovely bride. Think I'll keep her.

View Brianslost's profile


2 posts in 2684 days

#5 posted 05-24-2011 01:00 PM

Thanks a lot guys for the advice. Sounds like the marine spar varnish is the way to go. I’ll pick some up in the next couple of days and see how it works.

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