The only noncombustible structural cementitious panel manufactured in the United states.
Structural Panel Concrete Subfloor is a cured-in-factory panel that is noncombustible, inorganic, mold-, moisture-, termite-resistant and dimensionally stable floor assembly suitable for many floor finishes. This Structural Panel can be used in mid-rise, modular, mezzanine, theater and other applications, providing the structural stability as well as other benefits such as design flexibility. Meets ASTM E136-16 for all types of noncombustible construction.

Subfloor – Code Report
View USGStructuralUL.com for all Fire Rated Assemblies

Main Features

Structural Panel Concrete Subfloor is a breakthrough in noncombustible construction.
  • Offering 1 and 2 hour fire rated assemblies
  • Lighter than precast and poured-in-place concrete
  • Meets sound rating needs
  • Strong, durable concrete panel
  • Dimensionally stable:panel will not buckle or warp like wood sheathing
  • Easy install:circular saw for cutting, screws for fastening
  • Design flexibility: the high compressive and flexural strength enables you to build higher for less
  • Meets the criteria of ASTM E136-16 for use in all types of noncombustible construction
  • Made in the USA


  • Auditoriums and Gymnasiums
  • Corridors and Hallways
  • Dormitories
  • Guest Rooms and Suites
  • Lobbies and Reception Areas
  • Mechanical Rooms
  • Multi-Family Residential and Condos
  • Stairways and Elevator Shafts
  • Theatres
  • Warehouses


Installation Guide

Harbor Hotel Project Profile

Hampton Inn Project Profile

Top 10 Tips for Installing USG Structural Panels

USG Structural Panel Concrete Subfloor - Wheaton Courthouse Square

Installing USG Structural Panels Concrete Subfloor

Modular Project Profile: USG Structural Panel Concrete Subfloor

Ease of Working with USG Structural Panels

Documents & Files

Submittal Sheets & Specifications

Catalogs & Brochures

Installation & Technical Manuals

SDS, Certifications & Reports