Composite fiberboard

The present invention relates to a composite fiberboard, which is specifically adapted for use as a coverboard in roofing systems. The formulation and physical characteristics of the composite fiberboard of the invention have increased the flexural strength of the board relative the flexural strengt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KRICK CHARLES G, TRUETT W. M, CAPERS DINO J, MUNDORF KAREN S, MCMILLAN ROXANNE B
Format:	Patent
Sprache:	eng
Schlagworte:	BRAIDING BUILDING BUILDING MATERIALS CEILINGS COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FIBREBOARD FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INSULATION OR OTHER PROTECTION OF BUILDINGS KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS ORFROM PAPIER-MACHE NON-WOVEN FABRICS PAPER-MAKING PRODUCTION OF CELLULOSE ROOFS STRUCTURAL ELEMENTS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES TRIMMINGS WADDING WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	The present invention relates to a composite fiberboard, which is specifically adapted for use as a coverboard in roofing systems. The formulation and physical characteristics of the composite fiberboard of the invention have increased the flexural strength of the board relative the flexural strength of current commercial fiberboards of similar type. In turn, the composite fiberboard is able to meet the Class 90 wind uplift requirements as measured by Factory Mutual FM 4450 Approval Standard for Class I Insulated Steel Deck Roofs.