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The warranty is only for the membrane. The recommended sealant along the edge is Dicor non self leveling sealant. You might want to remove the insert molding and check the screws for rust. If there is any, then take the screw out, fill the hole with silicone and put the screw back in. I would replace the insert molding with a quality 1” vinyl insert.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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