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(ET) Best undercoating option for mower deck




When I got my E-15 ten or so years ago, I stripped it down to bare metal and painted the entire thing with POR-15 (after treating with Metal Ready, to get it to flash rust for the POR-15 to bond to), then topcoated everywhere except under the mower deck. If anyone wants to see before/after pictures , I put some here:
http://pubpages.unh.edu/~msbriggs/elec-trak/

Anyway - in the time since then, most of the paint has held up very well. The main issue is the underside of the deck. I always hose off the underside after mowing, but sometimes I may not get all of the grass off on the upper lip (when folded up - the part that is furthest forward when the deck is down). There are many areas  where the POR-15 has failed, exposing bare metal which has started to rust again. I'm guessing some of this is from taking a beating with debris (and the occasional rock) while mowing. So, I'm wondering if there might be a better option than POR-15 - or rather something I could top the POR-15 with to give it more resistance to debris, but that would still essentially be like a paint as far as being smooth, something I could wax so that stuff doesn't stick very easily, etc.. I've looked at some undercoatings and bedliners, and many of them seem to not be slippery (for a bedliner you don't want it to be).  Has anyone used an undercoating and had good experience as far as it holding up well, and also being easy to clean?


Thanks!
Mike


Michael S. Briggs, PhD
UNH Physics Department
(603) 862-2828