My roof is fixed but as John says, who knows how long it will last. By all accounts the caulk is excellent, but if you travel a lot, all the shaking and rattling can do things to a trailer.
During the leaky period, I was on the roof a lot (190#) replacing the old silicone caulk, but was always on my hands and knees and used 1' sq hard foam insulation as pads to avoid dimpling the surface. No problems.
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