fgayford (06/04/2013)

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Hi Chris

You can build a small hot box using styrofoam board and use a small space heater. You can easily set the temperature to what you need.

It really isn't air bubbles but the resin boiling volitles you see near the vaccum line. So by closing vacuum first this will stop. I then allow resin to still flow into the bag and it will. I wait for 30 seconds to allow the resin  to kind of balance in the laminate then close the resin line. Yes you get a slightly heavier part but eliminate the nightmare work of filling pinholes. By the time your done filling and clearcoating sanding clearcoating your probably are just as heavy .  

Others may disagree but this works for me.

Hope this helps

Fred