Bilge pump set-up for a Kayak

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Originally Posted by wiredantz

I read that once you have a leak, the foam makes the boat incredibly heavy due to the water.

This is why i have not done it. I am not sure if i want to be hauling a kayak with drenched foam.

If you use a closed-cell foam, the foam itself will not take on water. You can get pourable closed cell foams that could be used to custom fill your kayak hull, rendering it effectively unsinkable.

http://www.aircraftspruce.com/catalo...es/x30foam.php would do the job nicely. Enjoy your chemical burns

the hull truth is probably a better resource than BWE for extensive discussions on the merits of various foams.