Posted by Bengt Blomberg on June 21, 2001 at 18:10:27:
Andy, that is right, but the depth and extent of those delaminations
are more easy to determine with a Tramex moisture meter. However the
important matter to find out in order to understand what is needed in
way of repair is how deep the hydrolysis has started in layers without
still having created space for detectable water to enter into. It is not
the water that creates the damages, it is the damages which creates the
cavities where the water can enter.
Measuring of the pH level through the depth of the laminate is the only
safe way to find the hydrolysis status. There are expensive analysis equipment
available which can give information through a needle hole but with the
dependable epoxy fillers now available, a 1" drill bit and a litmus paper
tells an experienced surveyor much more.
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