I did the entire living quarters in our trailer. I insulated the entire LQ with the 4x8 1/2 sheets of foam insulation you get from Home Depot/Lowes. Walls, ceiling, floor and gooseneck floor are all insulated. it was not a diffcult job to do the insulation. If anyone is interested, you can check out my web site about it.
http://todd.redwrench.com/
Safe Riding. Todd
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