KW - it might be worth a look-see at West Marine (if close by). Check under the 'rub-rail' section and see if anything there would be usable in this application.
http://www.westmarine.com/webapp/wcs/stores/servlet/SiteSearchView?Ne=2000000&Ns=Most%20Popular|0&beginIndex=0&langId=-1&storeId=11151&page=CategoryDisplayLevel1&N=377+710+2010176&catalogId=10001
...wow, what a long link address...