"Meindert Sprang" ) writes:

Stay away from anything like these PU glues. To make a good bond, you need a
clamping force you will never be able to apply on a boat. 60-80 psi is quite
difficult to apply over a long seam.

could you say where this clamping pressure information comes from? there
is nothing about it in the PL Premium directions. this house construction
mastic form of the adhesive is supposed to work on materials which are
nailed together and for attaching sheets of foam with just a few nails to
hold it in place until the glue cures. I've used it on small glue-ups with
only the weight of a brick to hold the pieces together until it cures.

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