Stock material or miscellaneous articles – Structurally defined web or sheet – Fold at edge
Patent
1979-06-18
1981-12-01
Ridgill, Jr., James L.
Stock material or miscellaneous articles
Structurally defined web or sheet
Fold at edge
52743, 52404, 428906, B32B 304
Patent
active
043037135
ABSTRACT:
A roof insulation structure and method of making the structure for greatly improving the insulation quality of a metal building roof. The structure includes a self-supporting medium density thermal insulation blanket having elongated slits and notches in the top thereof so that the blanket can be folded into a "U" shaped configuration. The "U" shaped blanket is received on the top and the sides of a pair of adjacent and parallel roof purlins and spans the width therebetween. The "U" shaped configuration of the blanket provides means for receiving a thick blanket of low density thermal insulation inside thereof and between the purlins for increasing the insulation "R" factor of the insulated roof.
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Clemensen Carl L.
Mastalka Frank T.
Crabtree Edwin H.
Ridgill, Jr. James L.
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