We are in really cold country and I learned a trick from an Alaska full timer-that is to lay down a blanket of the silver insulation directly on the ground under the unit- it keeps frost away from the underneath. We also insulate ,have two heaters,and skirt but our temps reach -40 a number of times in the winter. On the island I would be more concerned about moisture and damp-insulating the slide out might help these issues.
regards
Granet
Okotoks,Alberta,Canada
2008 -3400 rl
don,t drive anymore
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