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Permalink Reply by sanderson on March 6, 2009 at 10:34am

yes, that is what I said. i like to use 3M 5200 for ribs, chines, the bottom, and chine battens. it is a good flexible strong adhesive sealant. I think it saves the boat in the long run. using nothing encourages rot, and epoxy cracks over time. Any boat repair that I have done on 15 to 25 year old boats that used 3M 5200 was easier and the wood under the 3M was in good shape. boats that did not use it have been rotten through the chine and in to the frames. it is a little harder to get off when you have to replace parts but it is worth the work in my opinion.
if you clamp and pre-drill before you glue you should not have any twist in the frames.

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Permalink Reply by E. Landis on March 6, 2009 at 12:12pm

Sanderson,

Thanks for the help. I knew you had covered this in our earlier discussion. But that dang video had me second guessing my recollection.

E. Landis

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Permalink Reply by Dave Z on March 9, 2009 at 12:07pm

I don't glue the side frames to the ply. But I do glue in the chines and the bottom. I started using Sikaflex 291LOT over 5200. The cleanup is much easier. That 5200 stuff is good but the cleanup is NASTY!!

Either way, a little goes a long way. I caulk out a small bead then spread it with a stick. you'll get less squeeze-out and therefore, less cleanup.

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