Stipple
technique was highly emphasized when we did the builder week on our 320. The amber color of Saf T Poxy II is much
easier to see bubbles in than Jeffco. However,
I believe the washer roller has the same effect as buying a tweed coat for
dandruff; the bubbles are still there, just smaller and harder to see.
Start off by squeegeeing
the bubbles and excess resin out of the plastic sandwich. I use a piece of paper towel over my squeegee
to reduce friction. Get the surface you
are applying to wet enough to allow some squeeze out of resin after the lay-up
is applied. Lay the glass in the
“V” if a corner is involved or start in the center and work the
brush to the outside of the lay-up, experiment with a little soft wad of paper
towel to speed up the process. Use a
bright light at an angle to find the bubbles.
Before the outer plastic is peeled off, check again, careful not to pull
the wet glass and get more bubbles.
All this takes practice,
patience and slow hardener with the warm temps of summer. Satin glass cloth (supplied with your kit) is
the most difficult, the optional carbon cloth or basket weave glass does not
hold bubbles but is heavier, just thought I would throw that in.
Steve Colwell L2K