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Wood deck trailer sealant suggestions

Printed From: Unofficial Allis
Category: Other Topics
Forum Name: Shops, Barns, Varmints, and Trucks
Forum Description: anything you want to talk about except politics
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=190593
Printed Date: 11 Aug 2025 at 9:33am
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Topic: Wood deck trailer sealant suggestions
Posted By: Dirt Farmer
Subject: Wood deck trailer sealant suggestions
Date Posted: 10 Sep 2022 at 10:07pm
With the wealth of experience on the forum, I was wondering what folks recommend to treat their trailer decks with. I have a couple trailers that are needing some attention and the last time I used Thompson waterseal and wasnt overly impressed. Thanks



Replies:
Posted By: steve(ill)
Date Posted: 10 Sep 2022 at 10:53pm
I use waste engine oil.. If the wood is old and dry it will take 3-4 applications to cover and soak in.. I put a new coat on about once every 3 years.

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Like them all, but love the "B"s.


Posted By: DMiller
Date Posted: 11 Sep 2022 at 2:53am
If use for autos or other tire traction vehicles use nothing as get too slick. If use for general purpose and just want sealed for lifespan, boiled linseed oil, not ever found anything worked as well.


Posted By: nella(Pa)
Date Posted: 11 Sep 2022 at 5:40am
Originally posted by steve(ill) steve(ill) wrote:

I use waste engine oil.. If the wood is old and dry it will take 3-4 applications to cover and soak in.. I put a new coat on about once every 3 years.

X 2 
For the price it works great to prolong the life of the wood and rusty steel. Apply the oil when the wood is bone dry and if it is too slippery when you want to use it throw some ground on the floor an sweep it off. I put the oil on with a paint roller and don't skimp on the oil. I do once a year or when necessary.


Posted By: TomC
Date Posted: 11 Sep 2022 at 6:19am
I do the same,used engine oil,I do thin it out with a little diesel fuel, use a roller on a broomstick and put it on heavy, like said every two or three years,holds up good my gooseneck is 20 years old, original floor and is as solid as the day I brought it home.


Posted By: PaulB
Date Posted: 11 Sep 2022 at 6:31am
I too am unimpressed with the "new" products such as the "Thompson's Water sealer".
I agree that used motor oil does about as good as anything and it's a good way to make use of the waste oil. The old timers always used a mixture of linseed oil and turpentine and that also works well. Annual applications of either is the way to go. I find that mid summer when it's as hot and dry as possible works best with no need to thin it out.


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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY


Posted By: JoeM(GA)
Date Posted: 11 Sep 2022 at 6:35am
Another vote for old oil and a touch of diesel, I do mine every couple of years, I do it out in the sun with a roller and it soaks right in quickly , I usually give it two coats, after a day or two in the sun, it’s not oily or slick. It has held up out in the weather for 15 years or so quite well.

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Allis Express North Georgia
41 WC,48 UC Cane,7-G's,
Ford 345C TLB


Posted By: allisorange
Date Posted: 11 Sep 2022 at 6:37am
  Go with used oil. Been using it for years
and it works well.

J Carlson


Posted By: plummerscarin
Date Posted: 11 Sep 2022 at 6:59am
Originally posted by DMiller DMiller wrote:

If use for autos or other tire traction vehicles use nothing as get too slick. If use for general purpose and just want sealed for lifespan, boiled linseed oil, not ever found anything worked as well.

X2
Cousin applied apitong oil on his trailer deck. No residue when dry


Posted By: Dirt Farmer
Date Posted: 12 Sep 2022 at 1:38am
Thanks for the responses folks, now I have an reason to change oil in the truck other than it is due, then I can treat the trailer decks and check off 2 things on my 2do list


Posted By: fixer1958
Date Posted: 12 Sep 2022 at 7:11am
I used old tractor oil and diesel fuel.
I was surprised how it turned out


Posted By: Codger
Date Posted: 12 Sep 2022 at 7:53am
Originally posted by Dirt Farmer Dirt Farmer wrote:

Thanks for the responses folks, now I have an reason to change oil in the truck other than it is due, then I can treat the trailer decks and check off 2 things on my 2do list
How far are you from Peoria? I built a trough several years ago and can do eight 2X8 16' boards at a time stacking them with thin perforated spacers. The trough is loaded, then filled with waste engine oil and allowed an overnight soak. I then drain the trough, prop the boards up on one end and they drain off quite well requiring only a squeegee and paper towels to handle with little mess.

Of course the boards need to be off of the trailer deck. I've done several for the lowboy guy's with treated white oak decking lasting in excess of 20 years. Have done some pine boards also but trailers are usually rotated through, or sold before the floors are weak. 

Had one of the lowboy guys reuse the same boards he took off his trailer to replace rotted xmembers after seven years so it must hold up as ran northeast quite a bit out of Morton. 

I think the secret is the "soak" time myself.


Posted By: steve(ill)
Date Posted: 12 Sep 2022 at 9:03am
Dirt, the 2 gallons you drain from the truck wont FINISH the job.. as Codger said, it SOAKS in a bunch.. I have not put the boards in a trough, but on an OLD dry deck trailer, i have put 4-5 gallons on it 5 coats... On a deck you do every could years, you can still use a couple gallons to cover. ...... Sometimes the COAT dries in  15 minutes.. When you get to the point that it is still WET an hour later, THEN let it set in the sun a couple days and dry.

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Like them all, but love the "B"s.


Posted By: tadams(OH)
Date Posted: 12 Sep 2022 at 1:10pm
When I work for a New Holland dealer and we also farmed we would take the bale wagon in the fall and mix old motor oil and diesel fuel and apply with a 2 gallon sprayer then they got parked in the pasture for the winter and we never had any trouble with them rotten.



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