Wheel well woes - Page 2 - Fiberglass RV


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Old 10-08-2012, 02:24 PM   #15
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A most important thing to remember is:

When you get the fenders installed back in the camper you must insure that they are installed with no gaps between them and the camper inside. Any gaps will let in Critters and Moisture. Seal them air tight.
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Old 10-08-2012, 03:03 PM   #16
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Thanks for the great input, I understand how the fabric would conform better, how would you extend the edges?
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Old 10-08-2012, 03:44 PM   #17
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I'm not familiar with the Love Bug but from the pics I've seen the wheel wells are concealed by cabinents like the Scamp.
If that's so why take a chance with the contaminents?
Sand the gel coat side and reinforce the outside of the wheel well?
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Old 10-08-2012, 03:53 PM   #18
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Will fiberglass resin adhere to cleaned and primed gellcoat?
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Old 10-08-2012, 06:45 PM   #19
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To extend the edges take a piece of cardboard, wrapped with saran wrap or a heavy enough piece of vinyl or poly. Tape it to your wheel well and gently coat it with resin and gently dap some mat onto to it. You may have to provide some support with your fingers while you're dabbing the resin to wet out the mat.

Use a heat gun or be patient and let it setup a bit. Then you can go ahead and put on a layer of mat and/or roving or cloth. After it sets remove your cardboard "dam" and put a layer on the other side so that it over laps onto the wheel well. Overlapping onto both sides of the wheel well will make a very strong repair.

Yes, polyester resin bonds very well to sanded gel coat as long as it is sanded well enough to remove any surface wax.

Epoxy resin also bonds well to polyester but not polyester to expoxy.

Ron
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Old 10-09-2012, 12:15 AM   #20
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Wax Paper will not bond to resins. I put wax paper under the work as a barrier and after the cure just peal it off and you have a gel coat type of finish.

If you are going to use resin over where you previously had the wax paper, just wash it with rubbing alcohol. If you are using epoxy, you can thin it with alcohol and you can clean the stuff off your hands with it.

When I have built model airplanes, I have used gauze (That you find in a first aid kit) instead of fiberglass. You can use almost everything. Aluminum screen door wire and anything else that would add strength and conform to the mold.

Heat will speed up the cure process also but to much of it will cause bubbles. (Hair drier)

They also sell an epoxy that is jelled and that is good to use where you don't want it to drip.

DR
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Old 10-09-2012, 07:27 AM   #21
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thanks, great info.
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