Product Brochure

APPROVED SUBSTRATES
• Concrete and masonry blocks
• Cement backer units (CBU)
• Cementitious screeds, leveling coats and mortar beds
• Waterproofing and crack-isolation membranes
• Wood, plywood, or OSB subfloors that meet NWFA Subfloor
SOUND PROPERTIES
Impact Sound Transmission. The method is designed to measure
the impact sound transmission performance of a floor-ceiling
assembly in a controlled laboratory environment.
IIC Flooring Sub-oor
69 Floating engineered wood
6” concrete with
ceiling assembly
Sound Transmission Loss. The sound-insulating property of a
partition element is expressed in terms of the sound transmission
loss.
STC Flooring Sub-oor
63 Floating engineered wood
6” concrete with
ceiling assembly