cutting fiberglass ? - Page 2 - Fiberglass RV

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Old 06-18-2013, 09:14 PM   #15
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I use a 3/4" blade in a dremel oscillating tool.

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Old 06-19-2013, 05:57 AM   #16
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Name: bob
Trailer: 1984 u-haul ct13; 1996 Casita 17 Spirit Deluxe; 1946 Modernistic teardrop
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Abrasive disc in the die grinder is what I used. I've used it to widen the rear window opening when I installed a Scamp window in our Uhaul, and to cut an opening for a new power converter, a storage opening, and increase the opening size where the ice box was to replace it with a dorm fridge. It's a thin disc, worked good, but made a lot of dust. For the corners of the openings I used a toothed hole saw to get a round corner.

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Old 06-19-2013, 08:52 PM   #17
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Originally Posted by mary and bob View Post
Abrasive disc in the die grinder is what I used.
Thanks Bob
1979 Boler B1700RGH, pulled by 2004 Toyota Sienna LE 2WD
Information is good. Lack of information is not so good, but misinformation is much worse. Check facts, and apply common sense liberally.
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Old 06-19-2013, 10:32 PM   #18
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Wear a respirator when working with fiberglass. You do not want to inhale those dust particles!
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Old 06-20-2013, 08:15 AM   #19
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Name: Daniel
Trailer: U-Haul CT-13 1985
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I installed an air conditionned and did the holes with a small jig saw with a metal blade. Worked great.

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Also did exterior holes the same way...

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