Insulating material

Claim 1

AN INSULATING MATERIAL FOR USE IN A BUILDING WALL HAVING A PAIR OF SPACED, VERTICALLY EXTENDING STUDS AND AND OUTER SIDING EXTENDING TRANSVERSELY BETWEEN SAID STUDS, SAID MATERIAL COMPRISING: AND ELONGATED FRONT SHEET OF FLEXIBLE MATERIAL HAVING A TRANSVERSE EXTENT GREATER THAN THE SPACING BETWEEN SAID STUDS AND HAVING LONGITUDINAL EDGE PORTIONS EXTENDING IN THE PLANE OF THE SHEET AND ADAPTED TO BE SECURED TO SAID STUDS, AND APLURALITY OF ELONGATED FLEXIBLE PANELS HAVING A WIDTH EQUAL TO THE SPACING BETWEEN SAID STUDS AND SECURED TO SAID SHEET AT LONGITUDINALLY SPACED INTERVALS, EACH PANEL HAVING AT LEAST THREE LONGITUDINALLY RELATED PORTIONS INCLUDING A CONNECTING PORTION SECURED TO SAID SHEET FOR HINGED MOVEMENT ABOUT A LINE TRANSVERSELY OF THE SHEET AND TO ARRANGE THE PANEL IN LONGITUDINAL ALIGNMENT WITH THE FRONT SHEET, A MID-PORTION EXTENDING FROM SAID CONNECTING PORTION AND HAVING A LENGTH COMPARABLE TO THE DISTANCE BETWEEN THE POINTS OF ATTACHMENT TO SAID SHEET OF SUCCESSIVE PANELS, AND AN OUTER END HINGEDLY SECURED TO SAID MID-PORTION TO EXTEND FREELY THEREFROM AND ADAPTED TO BE SECURED TO SAID SIDING, SAID CONNECTING PORTION BEING JOINED TO THE MIDPORTION AT A FIRST JUNCTION AND SAID MID-PORTION BEING JOINED TO SAID END PORTION AT A SECOND JUNCTION ADJACENT PANELS BEING SECURED TO EACH OTHER BY A HINGED CONNECTION OF THE FIRST JUNCTION OF ONE PANEL TO THE SECOND JUNCTION OF A PRECEDING PANEL, WHEREBY EACH OF SAID MID-PORTIONS EXTENDS PARALLEL TO SAID FRONT SHEET TO FORM A CONTINUOUS SERIES OF INTERCONNECTED PANEL PORTIONS.