Never had that happen. You must not have the tramp tight enough. I have the club version which uses line to lace up the middle and aft. Unless it is really howling, the boat is pretty dry, except for a few splashes.

And Yes, we do have mesh tramps. Check out the following link:
http://store.catsailor.com/tek9.asp?pg=products&grp=154

Good luck,
Rick