I replaced the neoprene/epdm seal on the removable cockpit sole lid. This lid exists to access the inboard motor of Pacific Seacraft sailboats. Since I have an outboard, this space is for storage. The previous neoprene seal was completely compressed and the lid was bottoming out on the base. I replaced the seal with a 1″ wide and 3/8″ thick neoprene /epdm blend strip, which is about as thick as I could go and still bolt the lid on. Finding the right seal was a challenge. Most ship-chandlers don’t seam to stock a diverse supply of neoprene hatch tape. However, there is a local supplier/wholesaler here in Ballard called Gardico and they were able to supply me with exactly what I need. The crux, of course, was I needed to buy 50′ of it. I only needed 10′. The adhesive only has a shelf life of one year before it specs out, but I am hoping for longer since I have a lifetime supply. I bet it will be fine for my purposes with no sheer. It’s just under $1 per foot, so it’s OK. The project took a couple hours with most of the time going towards scraping off the old seal with a putty knife and cleaning the surface for proper adhesion. The seal was backed with adhesive tape and took about 5-10 minutes to apply.