Choosing the Right Floor Underlayment



See also:
  Sound Control Chart

Application Type Subfloor Minimum Thickness
Gyp-Crete ® Gyp-Crete® 2000/3.2k
Therma-Floor®

Dura-Cap®

Commercial Topping®

Level-Right®

Level-One EZ®

Dek C-Ment®

Compressive Strength (psi, Maximum) 2,200 3,200 3,000 4,000 4,500 5,500 4,500 4,000
New Construction Wood 3/4" 3/4"           3/4" **
Concrete           1/2" 1/4"  
Steel Deck       1" 1"     1"
Radiant Heating Tubes     1 1/4"          

Renovation Wood   3/4"            
Existing Gypsum           1/2" 1/4"  
Existing Concrete         1/2" 1/2" 1/4"  
Encapsulating VAT*       3/4" 3/4" 1/2"    

*Depth may vary based on subfloor

**Exterior applications; requires a waterproof seal coating such as Pli-Dek

This chart is only for reference. Consult your Maxxon dealer for detailed product specifications