Join Date: Oct 2009
Location: Swarthmore, PA
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Re: Catalina "smooth" gel coat has a pebble grain texture. Is this normal?
I know I'm coming in late on this, but is it possible that you're seeing osmotic blistering? I have a small sailing dinghy that was stored under a cover for a year, and unfortunately moisture found its way between the cover and the deck. I ended up with small osmotic blisters over part of the deck, which looks sort of like pebble grain. I have left it as-is, because the only solution is to pop them open by hard sanding, dry them out, and redo the gelcoat. That is far more than the boat is worth. What you described sounds similar. Perhaps leaves fell onto your deck and trapped moisture against the gelcoat.
Rick S., Swarthmore, PA
USCG Certified Captain, OUPV and 50 Ton Master
ASA Certified 101/103/104/105/106
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2001 Catalina 34MkII Tall Rig Wing Keel Breakin' Away, Universal Diesel M35B, Mantus 35 lb. anchor, sailing out of Rock Hall Landing Marina