Gooseneck deck

Ferd · Apr 23, 2016

I have to replace a few pieces of deck on my gooseneck trailer. Wonder if pressure treated lumber would be a good thing to use? Also wondering if anyone has something that works well to preserve the deck.

David G · Apr 23, 2016

Mine is pressure treated, kept in my lean too, but open to partial sun.

Destroked 450 · Apr 23, 2016

Two of my trailers came with pine lumber and one with pressure treated that lasted longer. It's hard to find good oak lumber anymore and it makes the trailer a little heavier, pressure treat is also heavier than regular pine.

RBoots · Apr 23, 2016

We usually have the local sawmill saw us 1 1/2"X8" white oak deck boards for our trailers. They only custom saw on Fridays, and it's cheaper than pressure treated pine. We put 3 coats of Johnson deck sealer on all sides, then put the boards on. Works good, lasts a long time.

Ross

Wheatfarmer · Apr 23, 2016

I have used pressure treated, but you want to stack with gaps and strap them down to dry. They will shrink 1/2" on the side.

old-9 · Apr 23, 2016

I use treated lumber and seal when I remember to do it. I replaced the deck last year and used Thompson's deck sealer on it. Just about broke my #$$ walking on the trailor after a rain. Made it slicker than ( put your own phrase here)! Instead of using the self drilling screws I went to 1/4 inch carrage bolts to hold planks down. joe

ericlb · Apr 23, 2016

i used pressure treated on mine, and remade the boards so i can easily replace them with little fuss, i get around 3 years out of a board if something doesnt damage it, our trailers get used, and not always like the manufactures wanted, so i went this route instead of going for long wear, it seems we damage one before it rots, after trying several treatments from deck waterproofing to motor oil, just putting on a good coat of paint on all 4 sides before assembly seems to work the best, no wood is going to last forever, [ steel neither] and both surfaces have good points and bad too,

tiresntracks · Apr 23, 2016

I'm not sure what part of the country you are in, but here in the northwest, pressure treated lumber is made from white fir. Structural lumber is Doug fir. The pressure treated lumber will last longer before it rots, but it breaks way easier than Doug fir, so its kind of a toss-up. I usually just use the Doug fir and brush some wood preservative on it once in a while.

MarkB_MI · Apr 24, 2016

Pressure-treated Southern Yellow pine should work fine; it looks like the original material is untreated pine.

If you use properly-treated wood, there should be no need for preservative. Notice that the rot starts with the end grain; that's why putting preservatives on the planks after they're installed doesn't do much good. Sealing the end grain before installation can help a lot.

showcrop · Apr 24, 2016

Preserving trailer decks is a regular topic here. My observation is that used motor oil is far and away the most popular preservative. You need to be careful not to use too much because you don't want the contaminants on the ground, but if you do it on a warm day in the sun, the planks will soak it up very well.

jon f mn · Apr 24, 2016

For me untreated lumber lasts longer and I can't explain why. When I was building and repairing a lot of trailers the ones with treated always had the most floor problems. I think that is because treated starts out with lower quality lumber and so more breaking and rotting is due to that. Hard to go against so many that say otherwise, but that is my experience from dealing with hundreds of trailers. I never use it unless the buyer insists. Just use regular wood and then the second summer and regularly after that paint it with used motor oil and your floor will last at least 20 years or more.

farmallstrong · Apr 24, 2016

I use used oil from the diesel truck to treat the wood. It soaks in well and is easy to apply.
I try to do it twice a year.

Dachshund · Apr 24, 2016

The only thing treated is good for is ground contact. They warp and shrink faster than untreated boards. I redecked anything I have with White Oak from a local (Missouri) sawmill. It will out last the trailer. I am actually in the process of redecking a 1974 Ford F700 bed. I almost have the old boards off - rotten old treated junk.

rustyfarmall · Apr 24, 2016

(quoted from post at 04:19:33 04/24/16)
Preserving trailer decks is a regular topic here. My observation is that used motor oil is far and away the most popular preservative. You need to be careful not to use too much because you don't want the contaminants on the ground, but if you do it on a warm day in the sun, the planks will soak it up very well.

Exactly. My trailer is 15 years old. I treat it once per year with used motor oil. Trailer sets outside in the weather ALL the time. The deck still looks brand new.

Straw Boss · Apr 24, 2016

When you guys talk of using used motor oil, are you talking about fairly clear gas engine oil or black diesel oil? I'd think the black oil would stick to your shoes or rub off on your chains and binders on a hot day. If you're like me, anything filthy I touch ends up on my pants and jackets.

tim s · Apr 24, 2016

I re-built my deck with treated Yellow pine boards,not tongue and groove, they way the lumber guy explained it to me you can only get yellow pine treated with out the grooves,,with grooves it's fur, I put them together snug and the water can get through it good, I did this 4 years ago and it's holding up good.

Ferd · Apr 24, 2016

Doesn't the used motor oil make the deck slippery? I want as much friction as I can get on the deck.

D beatty · Apr 24, 2016

I have never used diesel oil but use oil out of gas engines and have mixed it with old Hy-trans hydraulic oil. I watch weather fore cast and when we get several sunny days in the upper 80s through the 90s I coat it (brush on) with oil and let soak into wood. If done right you won't get on your clothes and deck is not slippery or get it on your chains. The only thing is it may have an odder from the oil but it goes away in a short time.

jon f mn · Apr 24, 2016

Not if you paint it on and leave it on the sun to dry. One time I poured it on and just spread it around and then it stayed wet for a couple weeks and would run off for a couple months. But when I just use a paint brush and brush it on then leave the trailer on the sun for a day or two it just dries up and turns the boards dark. I don't suppose you would want to sit on it in your Sunday/go to meatins tho.

rustyfarmall · Apr 24, 2016

(quoted from post at 07:05:47 04/24/16) When you guys talk of using used motor oil, are you talking about fairly clear gas engine oil or black diesel oil? I'd think the black oil would stick to your shoes or rub off on your chains and binders on a hot day. If you're like me, anything filthy I touch ends up on my pants and jackets.

Any oil that is drained goes into the same bucket. Even 80w90 transmission oil. The trailer deck doesn't care. Apply on a hot day. It'll take maybe one or two days for it to all soak in, and yes, if you sit down on the deck, or roll around on it, you will get dirty. After the oil has all soaked in, it is NOT slippery.

D beatty · Apr 25, 2016

I got my trailer in 2012 and did nothing that year but let the floor dry out that . It has got two coats every year since and its not slippery or comes off clothes after it gets soaked in and looks like it has Thomason sealer on it. I did the same to the sideboards of trailer.

Paul from MI · Apr 25, 2016

White oak, no treatment, just whatever oil leaks out of the tractors. Been on 15 years and still looks great.

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