An observation: For the hardware re-bedding I used new stainless steel hardware for everything except some of the larger and fewer number of bolts, i.e., primary and secondary winches and the bow stem head fitting. Since they were encapsulated with old butyl I simply immersed them in a container of mineral spirits. This pretty much dissolved all traces of the butyl. A quick flick with a small wire brush and they were like new.
That said, there is the containment/time factor involved so probably not a very suitable method for what you encountered. Regards, Dave Godwin 1982 C&C 37 - Ronin Reedville - Chesapeake Bay Ronin’s Overdue Refit <http://roninrebuild.blogspot.com/> > On May 22, 2020, at 11:55 AM, Matt Wolford via CnC-List > <cnc-list@cnc-list.com> wrote: > > FYI, the butyl under my deck fills that I just removed was thin, hard as a > rock, and embedded into the non-skid. I tried removing with acetone, but > progress was very slow. I then used a pick to scrape the butyl out of the > non-skid nooks and crannies, which worked but is tedious. I finished with a > little acetone and one of those small wire brushes that look like a big > toothbrush. Good as new. >
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