Use only "seamgrip" available in all store where you can buy camping stuff. Usually sold to seal tent fly. It's the only brand that will stay soft, all other brand will become hard and brittle with time.

Robert
Mtl, Quebec

: I want to make my own spray skirt but, what i was thinking is how do you seal
: the seams of thread on the skirt when done? I will be using waterproof
: nylon. thanks marc