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Originally Posted by wendle
when you are applying your silicone to the faces of the glass, don't drag the nozzle along the glass. cut the nozzle so the goop comes out at the same thickness as the glass, then hold the nozzle about an inch off the surface and keep moving at the right speed so the silicone hangs down and keeps laying onto the glass in a nice consistent worm. dragging the nozzle along the surface always leaves air bubbles in the glueline.
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Thanks Wendle! Those bubbles gave me fits! That's the reason why I recommended using so much silicone because the only time I didn't have bubbles way when I was using tons of it.
But in retrospect I'll wager it was exactly as you are suggesting here... it's not that I was laying down more silicone
per se, but that I was laying a bead at least the width of the thickness of the glass! Which when compressed, of course extrudes a lot of excess silicone.
Not dragging the tip is some great insight too.
Thanks!