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Forum: Construction, Maintenance & Refit 23-10-2015, 07:52
Replies: 62
Views: 16,347
Posted By minaret
Re: Water from bilge infiltrating keel with encapsulated ballast

Epoxy vs poly is a long standing many years long debate here. I've been trying to convince people of exactly what you said for years, with little success. They'd rather believe info given to them by...
Forum: Construction, Maintenance & Refit 21-10-2015, 07:30
Replies: 62
Views: 16,347
Posted By minaret
Re: Water from bilge infiltrating keel with encapsulated ballast

Don't forget the vent hole, grease guns can produce thousands of psi with a zerk fitting!
Forum: Construction, Maintenance & Refit 21-10-2015, 07:25
Replies: 62
Views: 16,347
Posted By minaret
Re: Water from bilge infiltrating keel with encapsulated ballast

OK, "not a very good glue and the patch might not hold" sounds a whole lot like "likely to fail".
Forum: Construction, Maintenance & Refit 20-10-2015, 17:51
Replies: 62
Views: 16,347
Posted By minaret
Re: Water from bilge infiltrating keel with encapsulated ballast

This is why orthotropic production resin is heavily air-inhibited. I've seen 30 year old laminates that are still tacky on the surface when wiped with acetone. Particularly in the first months of...
Forum: Construction, Maintenance & Refit 20-10-2015, 17:44
Replies: 62
Views: 16,347
Posted By minaret
Re: Water from bilge infiltrating keel with encapsulated ballast

Nobody is debating that epoxy will generally provide a superior bond on most substrates. What I had a problem with was your statement that a poly repair is "likely to fail". Properly done poly...
Forum: Construction, Maintenance & Refit 19-10-2015, 17:07
Replies: 62
Views: 16,347
Posted By minaret
Re: Water from bilge infiltrating keel with encapsulated ballast

Like this, but imagine the five gallon bucket is full of poly goo instead of grease. Bulk fill grease guns are dirt cheap. So are grease fittings.


https://m.youtube.com/watch?v=7alXII2wWtY

...
Forum: Construction, Maintenance & Refit 19-10-2015, 15:41
Replies: 62
Views: 16,347
Posted By minaret
Re: Water from bilge infiltrating keel with encapsulated ballast

You can get empty cartridges. Or use a bulk fill gun. Empty carts are much cleaner if you can find them.
Forum: Construction, Maintenance & Refit 19-10-2015, 14:11
Replies: 62
Views: 16,347
Posted By minaret
Forum: Construction, Maintenance & Refit 19-10-2015, 09:49
Replies: 62
Views: 16,347
Posted By minaret
Re: Water from bilge infiltrating keel with encapsulated ballast

Buy a cheap new manual grease gun, so it's not contaminated. Drill, tap, and screw in a zerk fitting. Drill a hole to relieve air pressure. Fill grease gun with catalyzed poly goo, attach to fitting,...
Forum: Construction, Maintenance & Refit 18-10-2015, 12:40
Replies: 62
Views: 16,347
Posted By minaret
Re: Water from bilge infiltrating keel with encapsulated ballast

+1!


Core bond is ideal for this. Costs $85 per fiver. Pump it in with a grease gun. If you thin it with a bit of poly resin, it pumps easier and flows out. Not as slow cure and flexible if you...
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