Bubbling Fiberglass
04-02-2007, 08:05 PM
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Bubbling Fiberglass
Hey guys, I am finishing up fiberglassing the tail feathers on my TF Skylane and have run into a problem. I have been glassing with .5 oz glass and polyurethane. Just prior to shooting some primer, part of my elevator has developed some bubbles as you can see in the photo. Should I just sand out the bubbles and patch it up, or should I remove it all and redo the glass?
04-03-2007, 12:59 AM
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RE: Bubbling Fiberglass
Do the bubbles collapse if you ***** them with a pin? If not then it's strip it and start again. You'll open up a whole new can of worms if you sand through the cloth and make the edges all fuzzy.
04-03-2007, 08:12 AM
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RE: Bubbling Fiberglass
Unfortunately the bubbles stay when I popped them with a pin... I wonder if it may have to do with the humidity, it has been pretty humid lately. If I remember correctly I did lay the first layer when it was around 90% or so. Looks like its time to pull out the 100 grit....[:@]
