Looks like you can get sched 40 pvc up to 16" in diameter in 20 ft lengths.
I was only able to find wholesale skid pricing, not retail. It worked out
to individual prices, all 20 ft lengths:

10" = $8.20 each skid qty 220
12" = $23.15 each skid qty 120
14" = $54.68 each skid qty 60
16" = $71.50 each skid qty 60

You could probably build a full size pontoon with the bigger sizes. Only
trouble is that skid is about a ton of pipe. Is there a uv issue with pvc?
Guess you could paint it.

"Ed Edelenbos" wrote in message
...
dh@. wrote in message ...
On 12 Sep 2005 14:03:34 -0700, wrote:

If it's for a kayak or canoe you may look up sponsons.
Sponsons have become a nasty word in the kayak news groups because
there were some safety accusations made concerning their lack of use.
That or you could make something up with PVC pipe and end caps.
( The latter is great for Hiding guns in. (Water tight and tough should
you want to burry them : )).

I'm looking for something more about this size:

http://www.islander-pontoon-boats.com/hydro-bike.html

Maybe PVC would work...


I'd like to hear of what you might find (or what anyone might know about
pricing for 12"d pipe.) A quick calculation says that a 10 foot section
would be (roughly) good for 500 lbs at full submersion. A pair would be
good for 500 lbs at half submersion... I couldn't find the weight per
foot of the pipe itself. If it is cost effective, I could see a project
or 2 that it would be perfect for.

Ed