Robert and all,
I think your advice is good about using sawdust in the mix. Generally, the
filler recommendations in the manual are my best guess at what would likely
be easiest and strongest for a given function. Sometimes color is an issue
and I've found that "redder is better" when that's the case because it
invariable cures lighter than the mix (mixing fine cedar sawdust from you
sander with
407 often produces great color). The fine cedar sawdust option is nearly
always a good one and one that is covered a lot in Nick Schade's book (the
book
that supplements the manual). We know that cedar / epoxy compatability is
not a problem.
When using non-epoxy compatible fillers (water / oil based and others
typical of your local hardware store), I recommend that you be very careful to
consult with Gougeon's help line to make sure that you're not creating a
problem
for yourself that could include bonding failure--possible even in areas where
the filler has be applied and wiped off. I continue to be surprised by the
properties of epoxy. Most of these surprises are positive, but occasionally
not.
Bram
|