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Old 02-24-2013, 11:46 AM   #1
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Roof leaks

My 1991 Winnebago has an expansion joint on the roof that leaks. Conventional caulks don't move thereby leaving cracks and exposing the joint again. I thought about covering it with glued down rubber roofing. Any suggestions would be greatly appreciated.
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Old 02-24-2013, 07:15 PM   #2
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Research Eternabond, might work.

Lots of videos on YouTube also
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Old 03-03-2013, 08:07 PM   #3
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Sealants fail due to, improper choice of sealant, improper prep, improper installation, It is easier to properly clean out and off the existing sealant joints and reseal with eternabond tape system. Eternabond was installed on my aluminum roof center seam and the end caps along with stripping in the vents and penetrations in 1996 and the roof is still leak free. Works for me.
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Old 03-03-2013, 09:25 PM   #4
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You are trying to caulk with a silicone caulk. Go with a polyurethane caulk instead, it can be hard to find thou since most out there are silicone. You may need to do research on the different ones since unless you look at the MSDS paperwork you may not see exactly what ingredients are in them.
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Old 03-04-2013, 06:19 AM   #5
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leaks

Go to a hardwae store and get a can (not the tube) of thru the roof sealant. You can put it on with a brush. Great stuff. Goes on easy and dries clear. Best stuff I have ever used for roof on our coach. Didn't even remove old cauck. good luck
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