Composite/Trex Decking on a Trailer? - Mountain Buzz
 



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Old 04-01-2019   #1
 
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Composite/Trex Decking on a Trailer?

I'm considering using a trex or similar composite decking product for the decking on a 7'X12' raft trailer. Some of the entry level capped composite 1"x6"x12' materials seem to be more in reach price wise (Trex Basics or Veranda from HD would basically be basically a $120 premium over replacing a deck using pressure treated - if this saves on staining a trailer deck a few years , it may be worth it). Off the bat, a few upsides I can think of would be potentially lower maintenance and lower friction during loading/unloading. A few downsides are weight and the potential for staining (although I'm not really concerned about staining).

The trailer will have 12" spacing on cross members so it will be supported consistent with manufacturer specs for composite decking.

Does anyone have any thoughts or experience doing this? Thanks in advance!

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Old 04-01-2019   #2
 
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It's heavy and I wouldn't use it for carrying anything but boats (really not that strong for its weight, and it warps in the sun).


But if you don't mind the weight, go for it. I don't see the downside other than weight/warpage. You don't need to stain it, it shouldn't stain in a way that would adversely affect your boat. It definitely won't give you splinters like pressure-treated.
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Old 04-01-2019   #3
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We found some used stuff on Craigslist. 50$ got our 8x12 done. I think we spent more on self tapping screws then the boards.
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Old 04-01-2019   #4
 
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Do it. I bought my trailer used 8 or 10 years ago with Trex already on it, not sure the total age on the trailer. I've never had to worry about it once. Mine is raft deck over storage that opens up, rapid rig style, the trex is on the gear storage, main trailer floor. I guess it might be a little slippery walking on it wet other than that I can't see a downside. Takes a beating.
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Old 04-01-2019   #5
 
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So I bought a mid 90's snowmobile trailer in 2009. I replaced the rotten deck with 1'x8'x0.5" trex material. I complained about the price then but other than slight warping the material has held up quite well. This year I am repainting the trailer and removed all of the deck pieces to inspect...No issues. I am planning on putting the same pieces back and expect to get another 10 years out of them (fingers crossed)...
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Old 4 Weeks Ago   #6
 
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resurrecting this thread - considering the same right now and was wondering if anyone had any issues with it being more "slippery" when pulling the raft onto the trailer? Did everyone use just regular trex or some other composite?
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Old 4 Weeks Ago   #7
 
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Trex on a deck really isn't any more slippery than wet wood, maybe less so.


It does generally require more intermediate supports than wood or you'll get warping. I think the recommended span is 16".

I just replaced mine with full 2" rough-sawn 2x6's from the local mom-and-pop mill. I paid less than $1/lf and planed down the rougher spots. Soaked it well with linseed/turpentine/varnish when I installed them and again before winter hit. I expect to get 10-15 years out of it. The original lumberyard 1.5" thick 2x6's lasted nearly that.
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Old 4 Weeks Ago   #8
 
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My home deck for composite is 12" on center - probably would go with that for most composites (trex). When you say " I expect to get 10-15 years out of it." I assume you mean the boards with treating it at least once a year?
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Old 4 Weeks Ago   #9
 
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Anything is better than probably what ya got. Just saying.

I'm considering experimenting with polycarbonate to slick the deck and make life totally easier.

https://www.homedepot.com/p/Suntuf-2...1697/100021329
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Old 4 Weeks Ago   #10
 
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The original boards were maybe treated at the factory and I never treated them in the 10+ years I've owned it (and it was likely 5+ years old then).

I "intend" to treat it annually, but will more likely treat it every 2-3 years. In reality, you and I both live in fairly dry states and wood just doesn't rot that bad if it's not in contact with the ground.


My 6.5' x 16' trailer was about $130...so actually closer to $0.63/lf.
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