Polyglass U.S.A. Inc. announced that its groundbreaking self-adhered fire-resistant underlayment, Polystick® XFR, has received a new Notice of Acceptance (NOA) from Miami-Dade County (NOA No.: 20-1117.03).

Polystick XFR is a dual-purpose fire-resistant and self-adhered waterproofing underlayment that offers superior fire resistance for a variety of high-temperature applications, including combustible decks with metal roof coverings.

The approved use of the product includes installation over an anchor sheet mechanically fastened to non-insulated wood decks. Please refer to the NOA for system specific limitations and installation requirements.

The Miami-Dade NOA represents the latest in a growing number of code approvals for Polystick XFR as industry regulatory agencies recognize its ability to meet or exceed their standards for superior roof protection.

As of now, Polystick XFR holds approval with the following Code Agencies:

• Underwriter Laboratories (UL)
• International Codes Council (ICC-ES)
• Miami-Dade County
• Florida Building Code (FBC)
• Texas Department of Insurance (TDI)
• California Office of State Fire Marshal (Cal OSFM)

More About Polystick XFR

This underlayment consists of an SBS (elastomeric) modified bitumen upper compound and an aggressive self-adhesive compound on the bottom featuring our patented ADESO® self-adhering technology. Polystick XFR also features the patent-pending Burn-Shield™ technology, which offers outstanding resistance to flame spread. The result is an advanced penetration-resistant, fire-resistant, easy-install underlayment that offers unmatched waterproof resistance while also being rated to withstand temperatures up to 265 degrees Fahrenheit.

These recent code approvals for Polystick XFR underscore Polyglass' ongoing commitment to develop industry-leading technologies and solutions for commercial roofing systems across the globe.

Contact Polyglass to learn more about Polystick XFR, as well as their other innovative roofing and waterproofing solutions.