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US 4,058,949 AGranted
Building roof insulation
AssigneeButler Manufacturing Company
InventorNorman A. Bellem
Life of this patent
Estimating the term…
Abstract
Insulation for the roof of a building. The insulation comprises a plurality of distinct layers of flexible insulation blankets with a spacer channel member interposed therebetween. A spacer block can be included to space the top layer of insulation from a roof panel at a location adjacent a purlin. The spacer member is channel-like and is generally U-shaped in transverse cross-section and is adaptable to be used in conjunction with a variety of purlin shapes.
Claims15
An insulated roof for a building, comprising:
- a roof purlin supporting a roof panel;
- a plurality of discrete insulation blankets layered one on top of the other and positioned between said roof purlin and said roof panel, said layers forming a plurality of surfaces to increase the thermal resistance of a heat transfer path between the building interior and said roof panel;
- and
- a spacer member interpositioned between a pair of contiguous ones of said layered insulation blankets to separate said pair of blankets from each other, said spacer member being connected to both said roof panel and said roof purlin.
1 more element
Dependencies are inferred from the claim text.