Assembly Instructions

SOUND PROPERTIES
IMPACT SOUND TRANSMISSION
The method is designed to measure the impact sound
transmission performance of a fl oor-ceiling assembly in a
controlled laboratory environment.
IIC Flooring Sub-fl oor
68 Laminate
over a 6” concrete subfl oor with a
suspended ceiling assembly
52 Laminate
over a 6” concrete subfl oor with no 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-fl oor
63 Laminate
over a 6” concrete subfl oor with a
suspended ceiling
50 Laminate
over a 6” concrete subfl oor with no ceiling
assembly
DELTA TEST
Tests the impact insulation difference between a bare concrete
subfl oor with no fl ooring materials and the same concrete
subfl oor with fl ooring and underlayment.
Delta IIC Flooring
24 Silent Armor under Laminate
SOUND PROPERTIES