Roofing system including insulation and cover boards
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United States of America Patent
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Jun 25, 2013
Issued Date -
N/A
app pub date -
Feb 4, 2013
filing date -
Nov 9, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A roofing system includes a plurality of insulation boards adapted for overlying a roof deck to form a layer of insulation, and a plurality of cover boards adapted for overlying the layer of insulation. Each insulation board includes a polymer foam material having a first density. Each cover board includes a material including polyisocyanurate, the material having a second density greater than the first. The foam material of the insulation boards may include, for example, polystyrene, polyurethane, or a phenolic material. The insulation boards and cover boards may include facers on top or bottom surfaces.
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International Classification(s)
Cited Art Landscape
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