Interprotect Bottom

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Jun 21, 2009
119
Catalina 30 Mk 1, #3335 Midland, Ontario
OK all, the snow's gone, weather is improving and it's time for me to complete my bottom restoration. The keel damage wasn't, bolts have torqued nicely, bottom is sandblasted and prepped and ready to start. I have several small pin holes aaaalll over the bottom, though these aren't osmosis blisters, just gelcoat voids that appear as per usual. They will be filled and then the bottom Interprotect(ed).
My question is, the keel itself is lead. Most of the outer fiberglass had flaked off, the remainder has been scrapped and sanded off. Is it necessary to reapply a coat of epoxy (West 105/205) over it or can the Interprotect 2000 act as a sufficient barrier over the bare lead? I am in fresh (Georgian Bay/Lake Huron) water. I am not talking about where it is faired into the keel stub of the boat, just the bottom 2/3rds of the keel.
I have asked dozens at the club and received about a 50/50 split on whether a fresh coat is necessary. Frankly, as launch is just 12 days away (regardless of whether I'm ready, the cranes come and we lift...) and time, not cost, is my concern. Spring sucked and time is precious.
Thanks, as always.
 
Jan 4, 2006
7,318
Hunter 310 West Vancouver, B.C.
If you're now looking at bare lead, the Interprotect 2000 is absolutely the only thing you will need to cover the keel.

I barrier coated our hull and keel with IP 2000 some 10 years ago just to keep the bottom coat stuck to the bare FG hull. Lost about 2/3 of the coat each year. I have seen that the IP 2000 sticks like crazy to anything and everything and has the resilience of cast iron.
 
Apr 10, 2008
47
Catalina 30 Detroit
Halle Berry or Hallelujah?

Inter protect is a 2 part epoxy based barrier coat. West systems promotes using their epoxy with a special filler for the same results.
If your satisfied with the smoothness of the keel, hit it with the 2000 and paint.
For God sake: don't let some egg headed chemist come on here and tell you otherwise.
T
 
Jun 21, 2009
119
Catalina 30 Mk 1, #3335 Midland, Ontario
Thank you gentlemen. I will proceed as advised.
Fair winds.
 
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