Offical Website for Sound Shark Rubber Floor Underlayment

Acoustical Tests


   
 
 Note: The Δ IIC is a new ASTM test that measures the improvement in decibels. Example a Δ IIC 21 would mean a 21 point  improvement .  The Δ IIC tests is only tested on a 6" concrete slab with no ceiling below.

 

Model Floor / Ceiling Assembly Description Floor Covering IIC Rating  Test #
3mm Wood frame construction 2 x 16" - 24" centers, 5/8" T&G plywood w/ 1 1/2" lightweight concrete topping-  batt insulation, RC-1 channel, 5/8" GWB Floated Engineered Hardwood IIC 57 SS-3A
3mm 6" concrete slab with no ceiling below Floated Engineered Hardwood Δ IIC 21 SS-3B
3mm 6" concrete slab with no ceiling below Double Glued Engineered Hardwood Δ IIC 19 SS-3C
3mm 6" concrete slab with with ceiling below Double Glued Engineered Hardwood IIC 60 SS-3D
6mm Wood frame construction 2 x 16" - 24" centers, 5/8" T&G plywood w/ 1 1/2" lightweight concrete topping-  batt insulation, RC-1 channel, 5/8" GWB Floated Engineered Hardwood IIC 57 SS-6A
6mm 6" concrete slab with no ceiling below Floated Engineered Hardwood Δ IIC 22 SS-6B
12mm Wood frame construction 2 x 16" - 24" centers, 5/8" T&G plywood w/ 1 1/2" lightweight concrete topping-  batt insulation, RC-1 channel, 5/8" GWB Floated Engineered Hardwood IIC 57 SS-12A
12mm 6" concrete slab with no ceiling below Floated Engineered Hardwood Δ IIC 23 SS-12B