Due to the tight continuous seal of the foam layer with sheet 14 and the non permeable character of {HEAD ~ the foam layer}, no rime ice forms on {TAIL ~ the exterior surface} of the outer sheet 
Due to the tight continuous seal of the foam layer with sheet 14 and the non permeable character of { HEAD ~ the foam layer } , no rime ice forms on { TAIL ~ the exterior surface } of the outer sheet
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH