JHM

Thanks for the info. I had never heard of hypalon so I looked it up. It looks like DuPont will discontinue the product.

Couple of questions if you dont mind... How did you install the gass vents? and did you cover the liner with material (dirt) after the install?

Since I plan on covering the liner after it is installed I am a little worried on how to do that without damaging the liner.