- Specification Data on Product #8244
- Instructions for Preparation of Subfloor
- Cork Underlayment Installation Instructions
- Cork Underlayment Instructions – Tile Floor Over Radiant Heat on Concrete Slab
- Sound Control For Hard Surface Applications
- Green Building Ratings
Published Specs for #8244
Product Data –
Production Class: Composition Cork Underlayment
PROPERTY | TEST NORM | PERFORMANCE | |
---|---|---|---|
Density | ISO7322 | 10/13 pcf | |
Tensile Strength | ISO7322 | 200 KPa | |
Compression | ISO7322 | 30 -50% | Recovery 75 |
100 psi | |||
Boiling Fluid Immersion Tests to ISO7322 | |||
Boiling Water | Pass | ||
Boiling HCL | Pass | ||
Mildew Resistance Test | Pass | ||
Thermal Conductivity | |||
“K” Factor | 40 | btu/sf/h/F/inch | |
“R” Factor | 2.6 | for 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 Class | 55 | ||
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. |