: I use the industrial strength "Nifty Wrap" as seen in the attached
: pic. It's
: sold at Ace Hardware among others.

That looks exactly like what I used but mine. It came from Lowes. I had to haul a piece of furniture I made to Houston this past Christmas. I wrapped it in this to keep it clean and dry on the open trailer.

I think it was working great till I got the hole in it. I never saw any water in the boat till it suddenly started to fill up. I probably should have paddled further 'off shore'. I think my choice of spots with all the shallow water was actually not such a good choice. To much chance of debris.