Boat Trailer Bunks

I know its been discussed before and I know not to replace trailer bunks with pressure treated lumber on a aluminum boat, so what wood is best to use and where can I find it. Mine are just the standard 2x4!

Thanks in advance!

If you can find a sawmill in your area....get some cypress 2x4's

I’ve heard that but if you use outdoor carpet on your bunks I don’t see the problem. The carpet has a rubber backing and unless you wear the carpet out the wood never touches the aluminum.


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Cypress is hard to come by... what about a hardwood 2x4?


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Educate me, what’s the reason for not using a standard pressure treated 2x4?

Quote:

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Originally Posted by Jwater

Educate me, what’s the reason for not using a standard pressure treated 2x4?

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The chemicals used in the treating process will damage the aluminum


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thompsons water sealed fir

Erin, go get some of them plastic boards and if you don’t want slick just glue carpet on top and staple on sides. Never have to worry about it again.

Where can the plastic boards be found? I can’t find cypress anywhere


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Lowe’s and Home Depot both keep a pretty good stock. Guy just brought out some 1 by 2 trim board and 1 by 8 board to do some trim work on house this morning from Lowe’s. I know they have 2+4 but not sure on 2+6

Mine are 2x4 I will check on that! Thank you!


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You can get the cypress from the Amish community in Pontotoc. They have a sawmill very close to the Randolf community and saw cypress logs everyday.
I've purchase cypress lumber from them several times at a very reasonable price.

[QUOTE=Cray;3853417]Lowe’s and Home Depot both keep a pretty good stock. Guy just brought out some 1 by 2 trim board and 1 by 8 board to do some trim work on house this morning from Lowe’s. I know they have 2+4 but not sure on 2+6[/QUOTE
We put PVC trim on my sons house and they are really flimsy. We had to carry them on the edge to keep them from sagging bad. I don't think they would be stiff enough, unless there is something else out there.

I use pressure treated then paint them with heavy duty gloss black outdoor paint instead of using carpet. Looks real sharp too. Carpet causes them to rot too quick. Then I put the black plastic bunk slides on them so the aluminum never touches the wood. Last forever.

These are a little pricey and really slick for unloading but I don’t think you have to replace ever. I had them on my previous boat for around 3 years. I’m undecided if I would put them on my new boat when the bunks need replacing. I noticed a little more bow in the bunks in between the brackets.

The Ultimate Bunk Board Replacement Solution


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If anyone needs cypress lumber DH4 lumber in Greenwood MS can help you out! Great folks to work with also!