When you think of the cost and weight of fiberglass insulation why wouldn't they just do that in all RV's ? Certainly would be a Green or ECO advantage with AC use more prevalent than Heat for many.
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B and B
2022 Venture RV SportTrek STT 302 VRB Travel Trailer
2018 Heartland Landmark 365 Louisville 5th Wheel
2015 Heartland Bighorn 5th Wheel
2013 FR Rockwood 8289WS 5th Wheel
2012 FR Rockwood 2703 SS Travel Trailer
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