Polyglass Underlayment Receives Notice of Acceptance from Miami-Dade County

Polyglass U.S.A. Inc. has announced its 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 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:

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

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