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-   General Boating Discussion (https://www.offshoreonly.com/forums/general-boating-discussion-51/)
-   -   Trailer Bunks Wood or Composite? (https://www.offshoreonly.com/forums/general-boating-discussion/353083-trailer-bunks-wood-composite.html)

WARPARTY36 03-30-2018 10:08 AM
Trailer Bunks Wood or Composite?
 
I need to replace the bunks on my trailer. Is there anything better than treated wood? Can the composite deck material be used?

Sydwayz 03-30-2018 10:16 AM
Regular pine.

That's what the bigger/better trailer manufactures use and recommend (Myco).
DON'T use the salt-treated lumber. The chemicals in it do not do well with the points they are bolted to the trailer; especially when they get wet and drip down the stanchions.

IF you REALLY want to invest a bit deeper, go with Cypress wood, which is 'swamp-wood' and has the same waterborne life characteristics of salt treated pine. But it will be pretty expensive.

Interceptor 03-30-2018 04:21 PM
Originally Posted by Sydwayz (Post 4618720)
Regular pine.

That's what the bigger/better trailer manufactures use and recommend (Myco).
DON'T use the salt-treated lumber. The chemicals in it do not do well with the points they are bolted to the trailer; especially when they get wet and drip down the stanchions.

IF you REALLY want to invest a bit deeper, go with Cypress wood, which is 'swamp-wood' and has the same waterborne life characteristics of salt treated pine. But it will be pretty expensive.
The bunks on my trailer were pressure treated fir and the galvanized lag bolts fastening the bunks to the trailer brackets corroded severely in fresh water.

Indy 03-30-2018 07:52 PM
Composite decking is floppy junk for your purposes.

tmmii 03-30-2018 09:06 PM
Always used polyurethaned pine with silicon on the lags. Hardest part was finding the straightest boards st Home Depot.

Speedracer29 03-30-2018 09:27 PM
Originally Posted by Sydwayz (Post 4618720)

IF you REALLY want to invest a bit deeper, go with Cypress wood, which is 'swamp-wood' and has the same waterborne life characteristics of salt treated pine. But it will be pretty expensive.
My last 2 trailers have had cypress and it lasts forever (ok, 14 years, so far). It’s not the cost of the cypress, it’s the price to ship it that bites you. Have one of those Florida boys bring some to you this summer. Unless those F650s can’t tow a boat AND carry a couple pieces of lumber at the same time.


https://www.boattrailerpartsplace.co...ress-bunks-3x/

WARPARTY36 03-31-2018 06:51 PM
Why use galvanized bolts? Seems like stainless would last longer.

Speedracer29 03-31-2018 07:07 PM
Originally Posted by WARPARTY36 (Post 4618946)
Why use galvanized bolts? Seems like stainless would last longer.
Guessing the brackets were galvanized and dissimilar metals (stainless) speed up the effects of electrolysis?

Quinlan 04-02-2018 06:07 AM
Originally Posted by Speedracer29 (Post 4618837)


My last 2 trailers have had cypress and it lasts forever (ok, 14 years, so far). It’s not the cost of the cypress, it’s the price to ship it that bites you. Have one of those Florida boys bring some to you this summer. Unless those F650s can’t tow a boat AND carry a couple pieces of lumber at the same time.


https://www.boattrailerpartsplace.co...ress-bunks-3x/


Just grab a few chunks when you are in the Swamp next month :flag:

ALL_IN! 04-02-2018 12:43 PM
My last Myco had the bunks through-bolted (with nuts) - it was kind of a pain the ass when you needed to replace one, but it seemed like they lasted longer. My current trailer has lag screws to hold the bunks on. ...and it seems like I'm always replacing screws due to them falling out.

Something to consider.


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