CHANGZHOU HAICHEN PACKING MATERIAL CO.,LTD
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| STC Classification: ASTM E90-04, 54dB,
Sound Transmission Class (STC): ASTM E90-09, Standard Test Method for LaboratoryMeasurement of Airborne Sound Transmission Loss of Building Partitions and Elements. Test results were then classified in accordance with ASTM E413-10, Classification for Rating Sound Insulation. |
● Thermal Conductivity ≤0.065 W/m.k ● Fire Resistance: UL 94 HFI, F.A.R. 25.83 ● Water Absorption: 0.08kg/m3 |
| IIC Classification: ASTM E492-04, 51dB.
ASTM E492-09, Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine. Test results were then classified in accordance with ASTM E989-06 (Reapproved 2012), Standard Classification for Determination of Impact Insulation Class (IIC). |
● Thermal Conductivity ≤0.065 W/m.k ● Fire Resistance: UL 94 HFI, F.A.R. 25.83 ● Water Absorption: 0.08kg/m3 |
All subfloors are not consistent in levelness. However, underlayment can form to a certain degree around subfloor surface roughness, helps to cut down on extra subfloor surface prepping time.
Providing additional comfort to the entire home during seasonal temperature changes.
Allows heat to permeate evenly while helping to protect the floor covering material from thermal shock.
Flooring underlayment should not be smelly or give off any weird smells. Always look for some certification for indoor air quality testing done. This protects your family from getting unwanted headaches or sickness.