Wow, my all composite boat must be worth a fortune in materials!!!!!!!!!!!!!!!!!!!
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you picked an expensive one
How will hdpe hold up to the sun and heat when out of the water?
i believe i found this in the marine section, but i honestly have no idea.
Thanks, I've been calling it OSP Oriented Strand Plywood, which is what it is labeled for sale at our local home depot. But yes, you are right, OSB. Also the pricing I put up was the material cost for both platforms (ours and the extra) Also the color and mat are optional. The cost without mat or color is about $250 to build two 3/4" fiberglass surf platforms in the same type of way the prototype sits now.
Not bad of a price for the material of some HDPE. Might be something to consider, however as I said, for that cost we can do 2 platforms with pads which we'd still need for the HDPE one. However saving a day or two of labor has it's own merits considering I'd only have to make 3 cuts total and round the edges off before adhering a pad. The entire thing could be made and ready to be on the water the day after the materials got delivered.
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Ok kewl!! You learn something new every day
The downside to hdpe I believe is that it shrinks quite a bit. In the size of a swim platform, probably doesn't matter though.
Guessing it would also sag more than the standard alternatives.
How's the progress coming?