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WakeWorld Discussion Board » >> Boats, Accessories & Tow Vehicles Archive » Archive through April 26, 2009 » Building Swim Platform, Help Please « Previous Next »
By erling lasalle (el1070) on Saturday, April 11, 2009 - 8:46 pm:    Edit Post Delete Post
We have a Crownline and would like to add a swim platform to the back because like most I/O there is not much of a platform back there to work with.

After contacting the dealer there is no way I can afford a fiberglass platform through them, they want over $1000 which I think is ridiculous for a piece of fiberglass.

My dad and I are both pretty good handy men and have made many things out of wood. I was considering making my own platform. Has any one tried this, any suggestions of there to start? Where could I get the brackets to support the platform?

By CRASH (vin) on Saturday, April 11, 2009 - 8:55 pm:    Edit Post Delete Post
make sure you use stainless and teak
By Todd Goin (tgoin) on Sunday, April 12, 2009 - 6:17 am:    Edit Post Delete Post
Have you checked the after market places?
I have no idea how the prices are, but a quick
google shows:

Sample on a Crownline:

I have a buddy that made his own - but he has a tubing bender. He made the actual platform out of Trex (deck material).

By Bill K (bill_airjunky) on Sunday, April 12, 2009 - 10:13 am:    Edit Post Delete Post
I have been thinking about making my own swim platform to replace the teak on my Malibu. I considered using Trex but have you weighed one of their boards? I estimated a 2"x64"x24" Trex swim deck at almost 200 lbs!

There is a thread here on WW where a guy made one out of CDX plywood with 2x6s underneath for reinforcement (similar design as our stock teak swim platforms). It came out nice but I think I could simplify it & make it better. I was thinking of using 2 layers of 1" - 3/4" marine ply ($85 for a 4'x8'x1" sheet), cut to shape, then have it Line-xed (smooth with no grit), and a Trax/Gator Grip top deck. The Line-X can be color matched for your boat, and the Trax pad comes in a variety of color to compliment the package. Total cost would be well under $300.

By Todd Goin (tgoin) on Sunday, April 12, 2009 - 11:44 am:    Edit Post Delete Post

That's almost EXACTLY what Paul started with -
then he went to the trex, spaced about half an
inch apart.

It all de-laminated (the plywood one), even with the Rhino on it
after about 2 seasons.

Was great while it was new ...


PS (where on earth would you get the Trax? ;o) )

PPS (you thinking about going to Powell with us
THIS Sept?)

(Message edited by tgoin on April 12, 2009)

By Bill K (bill_airjunky) on Sunday, April 12, 2009 - 12:51 pm:    Edit Post Delete Post
Hehe, Powell is on my short list of places to go ride. Keep us in the loop on the plans. If things work out for us, we'll be there.

So do you know if Paul used marine plywood or CDX on his platform? Maybe a layer of fiberglass cloth & resin over the plywood would be in order to seal up the whole thing?

With the Trex version spaced out 1/2", how heavy did it turn out? Any pics of that one available?

By Ben Wilcox (benjaminp) on Sunday, April 12, 2009 - 2:28 pm:    Edit Post Delete Post
I have looked into, and the quoted price for my Bayliner IO was $1150 USD, with quite the shipping price. I like the idea of the wood platform. Please post any progress you make, or any pictures of actual construction, because I am also looking into this.
By Show (bigshow) on Sunday, April 12, 2009 - 3:05 pm:    Edit Post Delete Post
By Jamie (jamie392) on Sunday, April 12, 2009 - 3:38 pm:    Edit Post Delete Post
I made a really sweet looking one for 100 on my old boat. It was really simple.

I just bought some pedra decking wood. Cut them to the proper lengths that I wanted, and cut the last board to match the shape of my transom. Then I Screwed all the boards together like you would a deck with a small gap in between, and I used two pieces of pedra decking underneith to hold it all together and to hold the aluminum brackets.

I drilled holes and used oak plugs to cover scew holes, and used gorilla waterproof glue to hold the plugs in. Then after it was all done i used a hand held jig saw and cut the platform to the desired shape, tapper edges etc. Lastly I used a sander to round all the edges nicely and the I stained it. It was very beautiful, held up for 2 years in salt water as well, and never hand a problem.

Just a suggestion.

By cole keefer (266crownlinebr) on Sunday, April 12, 2009 - 8:46 pm:    Edit Post Delete Post
Check out. They are a crownline website and just sponsored them. I bought one from them a couple years ago for my crownline. They usually do a discount of somekind or free shipping.
By Mike (k2rider2690) on Wednesday, April 15, 2009 - 8:40 am:    Edit Post Delete Post
my friend and i made one out of the trex materail and it holds up maintence and no mildue build up or the green allgy
By erling lasalle (el1070) on Wednesday, April 15, 2009 - 9:20 am:    Edit Post Delete Post
Mike where did you get the brackets to hold the platform up.
By Bill K (bill_airjunky) on Wednesday, April 15, 2009 - 9:20 am:    Edit Post Delete Post
Hey Mike,
Any chance you can post up a couple of pics of the Trex swim platform?

In a boat like Malibu's, I'm pretty conscientious about any replacement swim platform looking as good or better than stock. It seems like any material with a smooth Line-x finish & Gator Grip swim pad would fit the bill. But finding the right core material has proven to be kind of a bi+ch. And when I had thought of using a Trex-like plastic lumber in the past, it seemed like a 2" thick x 64" wide x 24" deep swim platform would be like 200 lbs. Granted the weight would be great. But would the platform brackets handle that?!

(Message edited by bill_airjunky on April 15, 2009)


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