USG Gypsum Underlayment Repair


When repairing damaged and/or low compressive strength gypsum underlayment, you must maintain the fire rating for the floor/ceiling assembly.

10-Year Limited Warranty

USG Durock™ Brand Genius™ Flooring Adhesive offers a 10-year limited warranty when used in a USG Stronger Than Concrete™ Floor System application.

Stick with USG.

USG and Shaw Industries Conduct Joint Testing on Gypsum-Based Underlayments

USG and Shaw Industries completed a multi-year evaluation of gypsum-based underlayments, resulting in modified installation specifications and rehabilitation guidelines.

USG and Shaw

USG Durock™ Brand Performance Flooring

2019 New Products
USG leads the way in performance flooring with new products for 2019. From new construction to major renovation or minor repairs – USG has your solution.


USG and Shaw Floors Partner to Restore VFW Hall

When it was discovered that the VFW hall in Rossville, Georgia, was in need of a new floor, USG and Shaw Industries – both proud supporters of the veteran community – joined forces to help.


USG Performance Flooring

USG Performance Flooring offers professional solutions to new and existing multi-family and commercial floors. Our complete line of USG Levelrock® Brand and USG Durock™ Brand high-strength floor underlayments include Low Prep, Fiber Reinforced (FR) and Green formulations. Durable primers and sealers, patches and skim coats, innovative moisture mitigation and superior sound attenuation products complete UL Classified fire-rated assemblies. Choose from USG eco-friendly options, time-saving products and a variety of characteristics that help ensure you get the right floor the first time.


When you need a quick return to service, USG’s professional flooring solutions get the job done fast – and right – the first time. We offer high-strength floor underlayments, durable patches and skim coats and a superior moisture vapor reducer.


The fast-track solution for commercial and institutional repair and renovation. USG Durock™ Quik-Cover™ Self-Leveling Underlayment allows application of most floor coverings in as little as one hour; wood in 12 hours. Suitable for a variety of floor coverings, USG Durock™ Quik-Cover™ Self-Leveling Underlayment exceeds commercial resilient floor-covering requirements for underlayments with compressive strengths exceeding 5,000 psi (34.5 MPa).


USG Durock™ Brand and USG Levelrock Brand products have achieved GREENGUARD Gold Certification and qualify as “Low Emitting” materials per California Department of Public Health CDPH/EHLB/Standard Method (CA Section 01350) for school classroom, single family residence and private office modeling scenarios, and meet USGBC’s LEED® v4 emission requirements.



With compressive strengths of up to 10,000 psi, USG Gypsum Underlayments are not only surprisingly strong, they are compatible with all floor coverings and backed by a 10-year limited system warranty.

Gypsum Underlayments

USG in GB&D Magazine

USG’s Alex MacDonald and Brett Fleury discuss how USG gypsum products meet fire and sound codes – cost effectively and without compromising on flooring – in new and renovation construction.


Fire & Sound Webinar

Fire rated assemblies for multifamily floors have a number of requirements as well as options to consider. Alex MacDonald, USG Manager, Strategic Accounts, presents the components of fire rated UL Designs for wood framed floor/ceilings and the requirements needed for meeting sound control per Section 1207 of the International Building Code® (IBC®).




Learn more about USG Durock™ Brand and USG Levelrock® Brand flooring solutions products, including ideal applications, floor-covering compatibility and product features and benefits. 

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For detailed USG product information including submittals, brochures and more, visit our Masterlist Literature page.

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Where To Buy

Find USG Durock™ Brand and USG Levelrock® Brand flooring solutions products at a retailer or distributor near you.

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At USG, sustainability means building in harmony. We are committed to products that are in sync with the environment and the communities in which they are designed, manufactured, distributed and ultimately used. Learn more about what sustainability truly looks like at USG.

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USG products and systems were the first to ensure that all sound systems are fire-rated and easily specified by a UL Design number. All USG 1- and 2-hour rated floor assemblies are designed to meet the current International Building Code (IBC) and feature USG Levelrock® Brand and USG Durock™ Brand underlayments and USG Levelrock® sound attenuation products.

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Contact USG

United States Gypsum Company
550 West Adams Street
Chicago, IL 60661

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