BUILDING MATERIALS COMPRISING MICROPOROUS MEMBRANES

In at least one embodiment, a building material comprising a porous membrane having a moderate to high water vapor permeability and high liquid water penetration resistance is disclosed. The building material may be used in building applications, including as or as part of a building wrap, a rain sc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MILLER, Eric H, WOLSKI, Matt J, ALEXANDER, Daniel R, STAINER, Matthew, MUNHOLLON, Tyler, FULKERSON, Gary L
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BUILDING CEILINGS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ROOFS SEPARATION TRANSPORTING WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	In at least one embodiment, a building material comprising a porous membrane having a moderate to high water vapor permeability and high liquid water penetration resistance is disclosed. The building material may be used in building applications, including as or as part of a building wrap, a rain screen, a roofing underlayment, a flashing, a sound proofing material, or an insulation material. The porous membrane may include at least one thermoplastic polymer, at least one filler, and at least one processing oil. The porous membrane may be flat or may have ribs. The porous membrane may include at least one scrim component.