{HEAD ~ The edge portions} of {TAIL ~ the sheets} are connected with the purlins at locations above the insulating boards so that the flexible sheets hang downwardly to suspend the insulating boards beneath the roof panels without compressing the insulating boards 
{ HEAD ~ The edge portions } of { TAIL ~ the sheets } are connected with the purlins at locations above the insulating boards so that the flexible sheets hang downwardly to suspend the insulating boards beneath the roof panels without compressing the insulating boards
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH