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Durock™ Brand Quik-Top™ FR Self-Leveling Underlayment

Pre-sanded cementitious underlayments for interior use in commercial, institutional and rehab construction



Pre-sanded cementitious underlayments designed by USG for interior use in commercial, institutional and rehab construction.
Reinforced with fibers that improve impact strength, Durock™ Quik-Top White FR Self-Leveling Underlayments provide a smooth, hard underlayment surface over concrete, wood, gypsum underlayments and well-bonded existing floor coverings.
Gypsum Underlayment Repair Solutions - Learn More

Main Features

Premium fiber-reinforced (FR) poured underlayment product with self-drying technology
  • No mechanical preparation required for most applications
  • Provides smooth surface with improved impact resistance and load distribution
  • Enhances crack resistance and impedes crack propagation
  • Apply floor covering in as little as 15 hours after underlayment application
  • Compressive strength up to 10,000 psi (68.9 MPa) with self-sealing technology
  • Featheredge to 3 in. (76.2 mm) thickness
  • Suitable for most floor coverings
  • Can be stained, polished or used by itself as a finished floor with an appropriate coating system


Submittal Sheet PDF 540.9 KB


  • GREENGUARD Certification Yes

Physical Data

  • Approximate Compressive Strength 10,000 psi
  • Approximate Coverage 21 sq. ft.
  • Thickness Range FE - 3 in.



Project Profile Video featuring Durock™ Quik-Top™ FR - Katy, TX


Durock™ Quik-Top™ FR for Gypsum Underlayment Repair (Español)


Durock™ Quik-Top™ FR for Gypsum Underlayment Repair

Documents & Files

Data Sheets & Specifications

Data/Submittal Sheet (English) PDF 540.9 KB
Data/Submittal Sheet (Spanish) PDF 394.2 KB

Catalogs & Brochures

Brochure (English) PDF 5.8 MB

Project Profiles

Project Profiles (English) PDF 1.6 MB

Installation & Technical Manuals

Technical Guide (English) PDF 418.3 KB

SDS, Certifications & Reports

SDS (English) PDF 289.7 KB
SDS (Spanish) PDF 293.1 KB

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