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anyone ever tried this loctite thru hull adhesive.. I have used loctite brand allot but curious on the thru hull stuff
I believe that is a polyether adhesive not a polyurethane. Great for water but poor for any hydrocarbons like oil and fuel. You may not desire for hull bottom through-hulls that can be exposed to oily bilge water. I would doubt you would ever have a problem but ....
this is for screws to attach stabilizers. should go all the way through just needing to do the screw holes.
what type of epoxy are you using?Stabilizers... like trim tabs?
OK, well the BEST way to do this is to drill the holes for the screws oversize, fill with thickened epoxy, then redrill your proper pilot holes and use a good sealant (not 3M5200). But, short of that, I don't think there's any need to try and reinvent the wheel by using (at least to me) a product with an unknown track record for this purpose. For me (and this is just my opinion from using the stuff for 20 years), I would use BoatLife LifeCalk. But that's not to say there aren't other good options.
Why not 5200? It's permanent, an adhesive, and a sealant; a tenacious bedding compound that is perfect for trim tab mounting. LifeCaulk is a polysulfide sealant which is great for above and below waterline sealing however does not classify as an adhesive. Either will suffice but I would prefer the permanence of the 5200.Stabilizers... like trim tabs?
OK, well the BEST way to do this is to drill the holes for the screws oversize, fill with thickened epoxy, then redrill your proper pilot holes and use a good sealant (not 3M5200). But, short of that, I don't think there's any need to try and reinvent the wheel by using (at least to me) a product with an unknown track record for this purpose. For me (and this is just my opinion from using the stuff for 20 years), I would use BoatLife LifeCalk. But that's not to say there aren't other good options.
If for any reason the installation may need to be serviced then I would recommend 4200 over 5200. An example would be a below waterline through hull fitting that may need to be replaced or serviced in the future.Why not 5200? It's permanent, an adhesive, and a sealant; a tenacious bedding compound that is perfect for trim tab mounting. LifeCaulk is a polysulfide sealant which is great for above and below waterline sealing however does not classify as an adhesive. Either will suffice but I would prefer the permanence of the 5200.
And that is fine however through hulls, trim-tabs, and the like are permanent installations that should require no removal for the life of the vessel/component. On the other hand things that may require re-bedding like portlites and hatches I would agree a pliable bedding compound or other similar are more applicable. We installed some rather large shaft struts a while back and bedded them in 5200 then thru-bolted; are these not permanent installations because they had threaded fasteners? I prefer 5200 for all these permanent sealing installations. It is a no questions need to be asked sealant/compound. With that said they do make release agents to allow disassembly of 5200, 4200 and other polyurethane adhesive assemblies. Seems like my experience is different.LifeCalk has approximately the adhesive power of 3M 4200. The reason I wouldn't use 5200 in this case is entirely because it IS so strong. The adhesive property of 5200 to gelcoat is actually stronger than that of the gelcoat to the fiberglass. In a situation like this, we're not looking for a permanent bond - we really don't need the adhesive power of 5200. If you ever needed to remove the trim tab (damage, for example), you'd likely do damage to the gelcoat in the process. Don't get me wrong, 5200 is great stuff, but it should only be used in areas where there is no anticipation of possible removal in the future - the hull to deck bond would be a good place to use it. I know we can google and see just how fond many people are of it - but be careful of what you read on the internet as much of it is based hearsay. From experience, it's the wrong application here.
And that is fine however through hulls, trim-tabs, and the like are permanent installations that should require no removal for the life of the vessel/component.