Originally Posted by wasagachris
I used 1 inch rigid styrofoam (pink) comes in sheet 2 ft wide by 8 ft long. I covered in foil bubble wrap like the wrap for water heaters in your house. The foil matched the aluminum of the trailer. I just made a box around it and for the front and back I made horizontal lid for the box that were cut to match the curve of the trailer. I used aluminum foil tape to secure it to the sides of the trailer. I put two halogen 150 watt work lights under the trailer and left them on all winter. One was under the floor in the living room and the other was under the bedroom. My floor was toasty warm all winter. The water and sewer line were wrapped with pipe insulation and had electric line heat under the pipe insulation. My water and sewer never froze. I had to cut a little access door in order to reach my dump valves so I could empty the holding tanks when needed. Sorry I do not have any pictures as this was several years ago I did that. I hope this helps you.
Excellent, practical, cost effective specification for latitudes North of the Mason-Dixon Line. Jim
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