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Levelrock® Brand 3500 Series Floor Underlayments


    Superior performance for higher-traffic areas in both wood-frame and light-commercial construction. Levelrock® Brand 3500 Series Floor Underlayments have compressive strengths from 3500 to 4500 psi. For a premium fiber-reinforced underlayment, try Levelrock 3500 FR and 3500 Green FR Floor Underlayment.

    Main Features

    With compressive strengths from 3500 to 4500 psi, Levelrock® Brand 3500, Levelrock® Brand 3500 Green and Levelrock® Brand 3500 Pre-Sanded Floor Underlayments contribute exceptional sound resistance and may be used with aLevelrock® Brandsound mat or sound board for improved STC and IIC ratings. These underlayments:

    • Install over wood and concrete subfloors
    • Meet vinyl industry commercial specifications
    • Apply at just ¾-in. to 3-in. thicknesses
    • Are engineered and manufactured by USG.


    • Administrative Offices
    • Auditoriums and Gymnasiums
    • Bars Restaurants and Dining Areas
    • Cafeterias
    • Classrooms
    • Convention and Meeting Rooms
    • Corridors and Hallways
    • Department Stores and Boutiques
    • Dormitories
    • Executive Areas, Conference Areas and Board Rooms
    • Galleries and Exhibit Spaces
    • Grocery Stores
    • Guest Rooms and Suites
    • Health and Fitness
    • Kitchens and Food Prep Areas
    • Laboratories, Operating Rooms and Imaging Rooms
    • Lobbies and Reception Areas
    • Locker Rooms, Shower Areas and Pools
    • Mall Interior Spaces
    • Mechanical Rooms
    • Media Centers, Music Rooms and Libraries
    • Multi-Family Residential and Condos
    • Nurseries and Birthing Rooms
    • Open Plan Offices
    • Patient Rooms
    • Restrooms, Utility Rooms and Loading Docks
    • Single-Family Residential
    • Stairways and Elevator Shafts
    • Theatres
    • Traditional Offices


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