{HEAD ~ The edge portions} of 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 {TAIL ~ the insulating boards} 
{ HEAD ~ The edge portions } of 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 { TAIL ~ the insulating boards }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL