CORK UNDERLAYMENT SPECIFICATIONS

CORK UNDERLAYMENT SPECIFICATIONS

Published Specs for #8244

Product Data –
Production Class: Composition Cork Underlayment

PROPERTYTEST NORMPERFORMANCE 
DensityISO732210/13 pcf
Tensile StrengthISO7322200 KPa
CompressionISO732230 -50%Recovery 75
100 psi
Boiling Fluid Immersion Tests to ISO7322
Boiling WaterPass
Boiling HCLPass
Mildew Resistance TestPass
Thermal Conductivity
“K” Factor40btu/sf/h/F/inch
“R” Factor2.6for 1/4″
Acoustical properties under hardwood floors
Absorbs 84% of reflected sound
Absorbs 69% of transmitted sound
Acoustical properties under ceramic tiles
Impact Noise Rating (INR)7
Impact Insulation Class (IIC)58
Sound Transmission Class55
Meets or Exceeds Specifications: HH-C-576 Type II, MIL-C-15116C Type II.This material has a shelf life of 1 year from date of manufacture when protected from environmental extremes.
   

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