Does anyone use WD-40 as a finish?

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Forum topic by johnhutchinson posted 01-05-2014 01:08 AM 15750 views 1 time favorited 58 replies Add to Favorites Watch
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1243 posts in 2438 days

01-05-2014 01:08 AM

Maybe I should be asking if ANYONE ELSE uses WD-40 as finish, because my brother does. He sprays it on, sands with 400-grit wet/dry paper, and buffs with an old cotton t-shirt. He gets spectacular results and the semi-gloss finish seems to last forever with no discoloration of the wood. Even his work in cherry, which is prone to oxidation, stays bright for years.

-- John - Central Ohio - "too much is never enough"

58 replies so far

View Texcaster's profile


1292 posts in 2482 days

#1 posted 01-05-2014 01:17 AM

I haven’t tried it as a polish but it’s great for knocking out wasp nests!

-- Mama calls me Texcaster but my real name is Mr. Earl.

View Loren's profile


10477 posts in 4456 days

#2 posted 01-05-2014 01:25 AM

Never. It might function like kerosene, which stains
wood. Some old timers were known to use used
motor oil. Many if not most oils will polymerize from
oxidation and thus sort of harden up on the surface
of the wood.

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Monte Pittman

30562 posts in 3147 days

#3 posted 01-05-2014 01:28 AM

Guess I have never heard of that before. I will be interested to see the posts.

-- Nature created it, I just assemble it.

View dawsonbob's profile


3744 posts in 2564 days

#4 posted 01-05-2014 01:35 AM

What Can’t you use WD-40 for, other than on your morning cereal or evening martini? I think Ill grab a piece of scrap tomorrow and give it a try.

-- Mistakes are what pave the road to perfection

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1243 posts in 2438 days

#5 posted 01-05-2014 01:51 AM

I read somewhere that it’s been used to refinish hardwood strip flooring.
Wonder if it’s non-slip? :)

What my brother seems to be doing is creating a micro-filler slurry for the wood. I recently saw something on Woodsmith where Don was using a similar technique … but not with WD-40.

-- John - Central Ohio - "too much is never enough"

View patron's profile


13707 posts in 4150 days

#6 posted 01-05-2014 02:00 AM

we used automatic transmission fluid
on the teak at a boat company i worked for in florida

it was cheaper than teak oil

worked ok

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

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519 posts in 2538 days

#7 posted 01-05-2014 02:27 AM

gonna try it

-- Staining killed the wood<<<<<>>>>>Dyeing gave it life

View BentheViking's profile


1782 posts in 3373 days

#8 posted 01-05-2014 02:38 AM

follow up question. Has anyone used duck tape as a finish?

yeah me either!

-- It's made of wood. Real sturdy.--Chubbs Peterson

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1243 posts in 2438 days

#9 posted 01-05-2014 03:17 AM

Okay, go ahead, knock yourself out with a good yuck. :)

He used WD-40 exclusively on the rotary box we published with American Woodworker. We told them what he used, but I don’t think they believed it because they never revealed the “secret”.

-- John - Central Ohio - "too much is never enough"

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3069 posts in 3111 days

#10 posted 01-05-2014 04:53 AM

I never heard of using WD-40 as a finish but then again I haven’t heard about many things that work as a finish. I guess I will have to give this a go myself :-)

-- Lee - Northern idaho~"If the women don't find you handsome, at least they ought to find you handy"~ Red Green

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266 posts in 3055 days

#11 posted 01-05-2014 05:03 AM

How does it smell after it…”cures”? The smell of it gives me a headache whenever I use it. I wonder if it repels water?

-- Tristin King -- When in doubt, sand it.

View doubleDD's profile


9544 posts in 2852 days

#12 posted 01-05-2014 05:34 AM

WE used it as a touch up for trim work that was already finished. Worked great.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View oldnovice's profile


7599 posts in 4176 days

#13 posted 01-05-2014 05:57 AM

I have seen others use it but I have never tried it as I think the smell would never really go away and that would not be very desirable.

-- "It's fine in practise but it will never work in theory"

View NormG's profile


6506 posts in 3812 days

#14 posted 01-05-2014 06:17 AM

You learn something new daily

-- Norman - I never never make a mistake, I just change the design.

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1243 posts in 2438 days

#15 posted 01-05-2014 06:25 AM

For those who have been asking about a smell after it cures, there is none that I can detect.

I think the WD-40 finish must be a wooden clockmaker “secret”. That’s my brother’s primary area of interest. Makes sense, I guess.

-- John - Central Ohio - "too much is never enough"

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