USG Durock™ EXG™ Concrete Repair Patch


Innovative exterior & interior concrete repair patch

USG Durock™ Brand EXG™ Concrete Repair Patch is ideal for repairing exterior concrete areas as well as interior concrete floors prior to installation of high relative humidity (RH) durable floor coverings. 

Features and Benefits

USG Durock™ EXG™ Concrete Repair Patch is a polymer-modified cementitious concrete repair patch that may be broom finished or smooth finished with a trowel. Environmentally sustainable, USG Durock™ EXG Concrete Repair Patch:

  • Is fast-setting – allows for return to service in about one hour; can receive floor coverings in as little as 90 minutes
  • Can be applied featheredge to 3 in. (76 mm) neat; deep fills up to 12 in. (305 mm) when extended
  • Provides superior bond to concrete substrates without bonding primers
  • Is durable and strong for heavy duty applications—up to 10,500 psi (72.4 MPa)
  • Is extremely freeze/thaw and salt resistant
  • Meets ASTM C928 standard specification
  • Features high recycled content, low embodied energy, low carbon footprint
  • May assist in obtaining LEED® credits


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United States Gypsum Company

550 West Adams Street

Chicago, IL 60661

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