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Performance Flooring Product Selector

For virtually any construction type, USG engineered gypsum cement underlayments deliver strengths you never thought possible. Ensure long-lasting performance on your project with USG’s versatile flooring portfolio.

Building Type

Approximate Compressive Strength (psi) Product Building Type
    Single-Family Multi-Family Light-Commercial Commercial/ Retail/ Office Hotel/ Motel Institutional
7,000-10,000+ USG Durock™ Quik-Top™ Self-Leveling Underlayment
7,000-10,000+ USG Durock™ Quik-Top™ FR Self-Leveling Underlayment
5,000-6,000 USG Durock™ Proflow™ Self-Leveling Underlayment    
4,000-5,000 USG Durock™ Surface™ Pro Self-Leveling Underlayment    
3,500-4,500 USG Durock™ Multi-Use Self-Leveling Underlayment
4,000-5,000 USG Levelrock® 4500 Series Floor Underlayment    
3,500-5,000 USG Levelrock® UltraArmor™ Series Floor Underlayment  
3,500-5,000 USG Levelrock® CSD® Early Exposure™ Series Floor Underlayment            
3,500-4,500 USG Levelrock® Commercial RH Floor Underlayment        
3,000-4,100 USG Levelrock® 3500 Series Floor Underlayment    
2,000-3,000 USG Levelrock® 2500 Series Floor Underlayment      
2,000-3,200 USG Levelrock® RH Series Floor Underlayment        

Subfloor Type

Approximate Compressive Strength (psi) Product Subfloor Type
    Plywood and OSB Structural Panels Heavy Wood Plank Corrugated Steel Deck Concrete Concrete Plank Concrete Repair/  Leveling Radiant Heat
7,000-10,000+ USG Durock™ Quik-Top™ Self-Leveling Underlayment    
7,000-10,000+ USG Durock™ Quik-Top™ FR Self-Leveling Underlayment    
5,000-6,000 USG Durock™ Proflow™ Self-Leveling Underlayment          
4,000-5,000 USG Durock™ Surface™ Pro Self-Leveling Underlayment        
3,500-4,500 USG Durock™ Multi-Use Self-Leveling Underlayment  
4,000-5,000 USG Levelrock® 4500 Series Floor Underlayment        
3,500-5,000 USG Levelrock® UltraArmor™ Series Floor Underlayment      
3,500-5,000 USG Levelrock® CSD® Early Exposure™ Series Floor Underlayment              
3,500-4,500 USG Levelrock® Commercial RH Floor Underlayment    
3,000-4,100 USG Levelrock® 3500 Series Floor Underlayment    
2,000-3,000 USG Levelrock® 2500 Series Floor Underlayment            
2,000-3,200 USG Levelrock® RH Series Floor Underlayment