US Patent Issued to BMIC on Dec. 9 for "Multi-layer roofing system" (Canadian Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,558, issued on Dec. 9, was assigned to BMIC LLC (Dallas).

"Multi-layer roofing system" was invented by Gurpreet Singh Sandhar (Langley City, Canada) and Sahar Khedri (Langley City, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A roofing system includes a roof deck, a roofing underlayment overlying the roof deck, a foam adhesive on an uppermost surface of the roofing underlayment, and a roofing material on the foam adhesive. The roofing material may include roofing tile. The roofing underlayment includes a first fleece layer contacting a surface of the roof deck, a scrim layer overlying and contacting the first fleece layer, and a second fleec...