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Deck board recommendations for freshwater dock

Posted on 12/22/20 at 12:16 pm
Posted by Conch Shell
Somewhere in the sun
Member since Feb 2013
62 posts
Posted on 12/22/20 at 12:16 pm
Does anybody have suggestions to replace treated wooden deck boards on a dock over freshwater? I looked into composites, etc. and am thinking PVC is the way to go but am not sure if that is the best choice or not.

The goal is to get something that will last as long as possible. I'm okay doing maintenance on it so that's not a factor.

Just wondering if anyone else has experience or advice. I'd prefer to use something that doesn't have an unprotected exposed side that can rot or get messed up.

As always, thanks in advance.
Posted by wickowick
Head of Island
Member since Dec 2006
45793 posts
Posted on 12/22/20 at 1:02 pm to
Get treated wood with higher chemical treatments (direct contact or made for saltwater) or get IPE wood
Posted by CheEngineer
Louisiana
Member since Aug 2019
4234 posts
Posted on 12/22/20 at 4:07 pm to
Find a lumber yard that you can get marine treated material will out last you.
Posted by Bayou
CenLA
Member since Feb 2005
36773 posts
Posted on 12/22/20 at 6:57 pm to
cypress
Posted by Conch Shell
Somewhere in the sun
Member since Feb 2013
62 posts
Posted on 12/23/20 at 10:39 am to
Thanks for the info. Will check out pricing. Luckily I have some time to plan.
Posted by hungryone
river parishes
Member since Sep 2010
11987 posts
Posted on 12/23/20 at 11:06 am to
If price is no object, go Trex. That stuff lasts forever.
Posted by 2BRKnot
Member since Jul 2020
384 posts
Posted on 12/23/20 at 11:16 am to
You can get treated boards from Triple Son Wholesale Timbers in Cutoff, LA. (985)693-6829. They deliver if you don't have a utility trailer. I recommend the 2x6 rough cut boards. They are a full 2" thick and 6" wide. They also sell S4S boards that are 1.5" wide, 5.5" thick, but I would go with rough cut boards for durability, longevity, and strength. The rough cut boards are perfect for dock decking. They are relatively smooth, but are not as smooth as the S4S boards which are shaped (planed) on all four sides like the typical framing lumber sold at Lowes. The saltwater treatment is 2.5 lbs. (per cubic feet, I believe). The standard treatment is 0.80 lb. of treatment. You don't need the saltwater treatment unless the boards are constantly in the water (even freshwater). Triple Son can help you decide. Great people. Great products. Good luck with your project.
Posted by gumbeaux
Member since Jun 2004
4460 posts
Posted on 12/24/20 at 8:42 am to
I have friends with a composite deck for their homes. Their main complaints are that it is slippery when wet and also gets hotter than the surface of the sun.
Posted by notbilly
alter
Member since Sep 2015
4370 posts
Posted on 12/24/20 at 1:57 pm to
quote:

? I looked into composites, etc. and am thinking PVC


These materials may not span as far as your wood. Sometimes retrofitting a deck with composite also includes adding more joists under the deck boards to reduce those spans.
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