FIRE RETARDANT ROOFING SYSTEM, SHINGLE AND LAYER

• Main Authors: HARRINGTON, JR. EDWARD RICHARD, VERHOFF JONATHAN M
• Format: Patent
• Language: English
• Published: 18.09.2014
• Subjects: BUILDING; CEILINGS; 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; GUTTERS; 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; ROOF COVERINGS; ROOF-WORKING TOOLS; ROOFS; SKY-LIGHTS; 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; TRANSPORTING; WALLS, e.g. PARTITIONS

Roofing shingle layers, roofing shingles, and roofing systems having fire retardant properties are provided. In certain exemplary embodiments, the roofing shingle layers, roofing shingles, or roofing systems include an expandable fire retardant material. The expandable fire retardant material may comprise expandable graphite, ammonium polyphosphate, or a combination thereof.