Cracks - Fiberglass RV


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Old 12-09-2005, 02:34 PM   #1
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What to use on hairline cracks ? any and all info appreciated, wehave one in the bathroom. thanks
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Old 12-09-2005, 02:49 PM   #2
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Well, thanks to this forum...I've heard about Captain Tolley's Creeping Crack Cure I've never personally used it...but, I know others have From what I understand this product works best on flat horizontal surfaces...not vertical. You may find out more by reading the referenced webpage.

Where abouts on your trailer is this crack? Interior, exterior, roof, floor of shower?? etc. I think the "cure" will also have to do with "where."
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Old 12-10-2005, 02:17 PM   #3
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crack is in the floor of the bathroon just as the floor turns up into the wall.
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Old 12-10-2005, 03:26 PM   #4
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Then I'd try Captain Tolley....it builds up with several applications. I'm sure you read the website info so you know it's relatively inexpensive and flows into the crack by using a syringe. I'd go this route before I tried a "heavier" solution. Marine expoxy would work, but for such a thin area, I don't think you could get it to flow into the crack and would end up with a bulgy area that really looked repaired.

I'd start at the lowest point and built toward the top.

Like I said, I've never used this stuff...but if the information is correct it may be just the ticket
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Old 12-13-2005, 09:01 AM   #5
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Donna's right on the money.

I've used Capt Tolley's for years. Great stuff. It does tend to "run" if applied to a vertical surface ... so use it sparingly to begin with ... and be prepared to wipe off runs that flow out of intended crack. It dries to a hard flexible ... bond-to-anything... light-tea-colored material.

Are your hairline cracks leaking? Or do you just want to do some preventive maintenance? Either way, I'd go with Capt Tolley's as a primarly sealer.

I carry a bottle in the trailer at all times.
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Old 12-13-2005, 12:53 PM   #6
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my hairline keeps receding... will this help me too Charles?
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Old 12-13-2005, 01:57 PM   #7
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If that's a crack about hairlines, might do the job.
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Old 12-13-2005, 04:57 PM   #8
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On airplanes when there is a crack in plexiglass the procedure to stop the crack from creeping is to stop drill. Stop drilling is drilling a small hole, the width of the crack, at each end of the crack. If it were me, I would stop drill then apply the Captains formula.

Here is something else:

Polyester resin will stick to epoxy resin and polyester resin however epoxy resin will only stick to epoxy.

What this means is if your fiberglass used epoxy, you can patch with either however if they used polyester then you must use polyester.

I wonder about Grollia glue in the wet area as it relies on moysture to cure. It might work however you would have to sand the excess down as it expands when it cures.

DR

Merry Christmas to all.
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