HIGH-DENSITY CRUMB UNDERLAY Heavy Contract Use. Suitable for Hotel Corridors (Medium & Heavy Traffic), Smaller Function Rooms, Gyms, Fitness Rooms, Airports, Conference Halls, Lobbies, Offices (Medium & Heavy Traffic), and below Carpet Tiles. Guaranteed for the serviceable life of the carpet when used in the recommended locations Made from the finest rubber compounds; Passes Flammability Tests Carpet remains stable, stays flat, and does not ruck - Ideal for Wheeled Traffic Minimizes furniture indentation marks; Ideal for Border and Design Installations Excellent Impact Sound Insulation and Absorption Perfect for natural floorings like Sisals and Flatweaves Millions of square meters are successfully installed all over the world Roll Size: 11 m x 1.37 m Roll Area: 15.07 m²