Wonder what the pundits will say ?
I am busy with the prep of my osmotic blisters and am going to use West System to repair the "patches" (some are large). If I read up on all West Systems Reccomendations - I dont need a primer before using my standard Ablative Antifoul paint.
BUT
The locals in the marina assure me a primer must be used.
I was going to sand/wash/thoroughly prep the cured surface before the final 2 coats of antifoul - now I am wondering ???
Kris
Challenger 35 Ketch in Indiantown
West system Says ... But what about the primer ?
West system Says ... But what about the primer ?
dont worry - be happy !
- Tim
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When doing a large bottom job of the sort required to repair widespread blistering, you should seal the entire bottom with unthickened epoxy. Another alternative is to apply a manufactured epoxy barrier coat, which is applicable here since you're doing a major bottom job. Sealing the faired patches with plain resin helps increase the watertight integrity of the patches. Once the bottom is coated with several coats in this manner, wash with a Scotch Brite pad and water, lightly sand, and paint.
I'm not aware of any primers for bottom paint, and bottom paints don't require primers. Why not ask the locals what specific primer product they're talking about, and see what they say. I'm guessing they don't really have an answer.
I'm not aware of any primers for bottom paint, and bottom paints don't require primers. Why not ask the locals what specific primer product they're talking about, and see what they say. I'm guessing they don't really have an answer.
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- catamount
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Or maybe they'll say "epoxy barrier coat"Tim wrote:Why not ask the locals what specific primer product they're talking about, and see what they say. I'm guessing they don't really have an answer.
(which is different from WEST how?)
Tim Allen -- 1980 Peterson 34 GREYHAWK
Harborfields Housekeeping Cottages, West Boothbay Harbor, Maine
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The only advantage I can see to a 2-part epoxy barrier coat over straight 2-part epoxy resins is a longer and easier 'hot' recoat schedule. And also that bottom paint can be 'hot' coated over the barrier coat if within 9 hours (at least this is true for Interprotect 2000).
I doubt you will get a truly factual reply as to why and what primer you need either.
I doubt you will get a truly factual reply as to why and what primer you need either.
Dave Finnegan
builder of Spindrift 9N #521 'Wingë'
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Gresham’s Law of information: Bad information drives out good. No matter how long ago a correction for a particular error may have appeared in print or online, it never seems to catch up with the ever-widening distribution of the error.
builder of Spindrift 9N #521 'Wingë'
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Gresham’s Law of information: Bad information drives out good. No matter how long ago a correction for a particular error may have appeared in print or online, it never seems to catch up with the ever-widening distribution of the error.
Well thanks for the input - well received...
I ended up using the same product my neighbour was using for a blister peel/restore job - the interlux 2000e barrier coat. What I liked was the ability to use it to seal and with additives use to fair the holes. I ended up with a fairly smooth bottom and covered it with 2 coats bottom paint .
The ability to thicken and paste on the 2000e made the job much easier and the ability to place the next coat over the previous without sanding was a blessing. 3 gallons of 2000e and the job was done !
thanx
kris
ps she floats too :<)
I ended up using the same product my neighbour was using for a blister peel/restore job - the interlux 2000e barrier coat. What I liked was the ability to use it to seal and with additives use to fair the holes. I ended up with a fairly smooth bottom and covered it with 2 coats bottom paint .
The ability to thicken and paste on the 2000e made the job much easier and the ability to place the next coat over the previous without sanding was a blessing. 3 gallons of 2000e and the job was done !
thanx
kris
ps she floats too :<)
dont worry - be happy !