Invention Grant
- Patent Title: Asphalt shingles with a fire-retardant additive
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Application No.: US15806377Application Date: 2017-11-08
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Publication No.: US10774535B2Publication Date: 2020-09-15
- Inventor: Jonathan Michael Verhoff , Barry Michael Lewis
- Applicant: Owens Corning Intellectual Capital, LLC
- Applicant Address: US OH Toledo
- Assignee: Owens Corning Intellectual Capital, LLC
- Current Assignee: Owens Corning Intellectual Capital, LLC
- Current Assignee Address: US OH Toledo
- Agency: Calfee, Halter & Griswold LLP
- Main IPC: E04D1/00
- IPC: E04D1/00 ; E04D1/22 ; E04D1/36 ; E04D1/26 ; E04D1/20 ; E04D1/28 ; B32B7/12 ; B32B11/04 ; C09J11/04

Abstract:
A roofing shingle having a fire-retardant material added to the shingle in specific locations is provided. In one aspect a roofing system with two or more asphalt-coated substrates and a sealant material provided between the substrates is provided. The sealant material adheres an overlying and underlying shingle together and can contain a fire-retardant material. In a second aspect of the present invention, a multi-layer laminated shingle is provided with an adhesive material between one or more asphalt-coated substrates which adheres the asphalt-coated substrates together and can contain a fire-retardant material.
Public/Granted literature
- US20180135302A1 ASPHALT SHINGLES WITH A FIRE-RETARDANT ADDITIVE Public/Granted day:2018-05-17
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