PAThwacker
East Stroudsburg, PA
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Joined: 07/24/2009
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It’s best practice to remove all previous caulk and reapply fresh lap sealant. Also cover front roof trim holder. Leaks from screws also leaks from towing in rain on front seam. If really anal remove roof trim remove butyl tape. Buy new trim, new butyl tape, and new lap sealant.
2015 Keystone Springdale Summerland 257rl
Tow vehicle: 2003 GMC K1500 ext lb
Previous: 14 years of 3 popups and a hybrid tt
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trail-explorer
NM
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Joined: 07/31/2008
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Here's a useful video on Applying Dicor
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Vintage465
Prunedale CA.
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Joined: 05/02/2015
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If I don't like the way something looks or if I need to remove it to replace whatever it is sealing, I use a heat gun(carefully) and an 1-1/2" putty knife that has the edges rounded and doesn't have a sharp edge. It would prolly take 30-40 minutes to remove all that. Then take mineral spirits, or as we used to call it "paint thinner" and a rag to scrub it up. If you want it super clean you can give it a once over with alchohol and a rag before using self leveling roof sealer. I use the one that has the guy smiling at you on the label......can't think of the name.
V-465
2013 GMC 2500HD Duramax Denali. 2015 CreekSide 20fq w/450 watts solar and 465 amp/hour of batteries. Retired and living the dream!
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Pbutler97
Midwest
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Joined: 09/22/2022
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Vintage465 wrote: I use the one that has the guy smiling at you on the label......can't think of the name.
That's Dicor, the smiling guy is Rudy. My wife seen a tube on my workbench and asked why a company would put a creepy looking smiling guy that looks like uncle pervy on a tube of caulking?
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Mr. C
SW Virginia, USA
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Joined: 03/14/2007
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Is there a reason that no one has mentioned using Eternabond over the lap sealant?
2020 Keystone Cougar 26RBS "Pressure Relief 4"
2017 Silverado LTZ 6.2 4x4
MM2 USN 1970-75
USS Canisteo AO-99
USS Miller DE-1091
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"Knowledge is good". Emil Faber
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BarneyS
S.E. Lower Michigan
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Joined: 10/16/2000
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Probably because that was not what the OP asked. Quite unusual though I will admit.![[emoticon]](https://forums.goodsamclub.com/sharedcontent/cfb/images/awink.gif "awink")
Barney
2004 Sunnybrook Titan 30FKS TT
Hensley "Arrow" 1400# hitch (Sold)
Not towing now.
Former tow vehicles were 2016 Ram 2500 CTD, 2002 Ford F250, 7.3 PSD, 1997 Ram 2500 5.9 gas engine
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deadticket8
All over
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I haven't used Henges, but Ill look for it next time. I use a white roofing compound out of a home improvement store, seems to do the trick.
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deadticket8
All over
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Also I think mineral spirits is pure. Paint thinner can contain additives like benzene. Good info on "the spruce".
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deltabravo
Spokane, WA
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Joined: 09/08/2003
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Use Dicor Self Leveling Sealant
2009 Silverado 3500HD Dually, D/A, CCLB 4x4 (bought new 8/30/09)
2018 Arctic Fox 992 with an Onan 2500i "quiet" model generator
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