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Tractor/Trailer Trailer

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Techman
Techman Member Posts: 2,144
My asphalt company customer recently purchased a "mobile test facility trailer for asphalt" it is an all metal exterior structure. They are putting in r-12 bates of fiberglass insulation about 6-8" down from the metal roof. Should there be a concern about venting the space above the insulation? Like in residential? Thank You.