DEERFIELD BEACH, Fla. – Polyglass U.S.A., Inc. has once again been recognized for its commitment to producing the highest quality roofing and related products and systems. Polyglass’ Polybrite 70 elastomeric coating, was recently tested by Factory Mutual and achieved FM 4470 approval for Single-Ply, Polymer-Modified Bitumen Sheet, Built-Up Roof (BUR) and Liquid Applied Roof Assemblies for use in Class 1 and noncombustible roof deck construction.

The approval process involves a rigorous testing method intended to evaluate a roof cover construction for its performance as it relates to fire (from above and below the structural deck), simulated wind uplift, susceptibility from hail storm damage and water migration.