polyisocynate board called Tuff-R...6.3 per inch plus refletive foil....2 inches total with spray can foam as a gap filler.....trailer is 8'-2" wide 6'-8" high and 35' long inside with .063 alum sides- steel 1''X 2'' tube frame 16" on center sides and top-8'' tube X 12" on center frame-3/4" am-teck floor..Total R- factor is 15 top/sides-floor might be sprayed with polyiso/rhino if too cold....one 13.5 a/c and a fan for air movement and a 1500 watt heater.....geof
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