In looking at a refer trailer the walls were "Z" shaped studs-not Box or Hat channel...Insulation was sprayed between the "Z's... The trailer was a freezer unite...though there was some condensation on the outside of the trailer in places....I am not sure where /why that was coming from....I'll keep all posted on construction of a reefer/chiller/freezer trailers....especially the insulation issue...geof-Near Cincinnati
|