Acoustic Testing


Other test data can be seen at impactaunderlayment.com
Description Acoustical IIC Details Test
   



3/8" Engineered Hardwood
9 mm Redupax Underlayment
poly sheeting
6" Concrete Slab

 

 

IIC 60

 

 

Test data


 

3/8" Engineered Hardwood
9 mm Redupax Underlayment
poly sheeting
1 1/2" gypsum concrete
5/8" plywood
2" x 10" joists - 16" centers
R-11 Insulation
resilient channel
5/8" drywall

 
 


 

IIC 57

 

 


Test data