Sound Transmission Class
Sound Transmission Class (STC), Impact Insulation Class (IIC), and Outdoor-Indoor Transmission Class (OITC) ratings for building assemblies — walls, floor-ceilings, doors, windows, partitions — per ASTM E90/E413/E492/E1425
Attributes
assembly_description
construction_detail
thickness_inin
weight_psflb/ft2
STC_ratingdimensionless
IIC_ratingdimensionless
OITC_ratingdimensionless
frequency_weaknesses
fire_rating_hrhr
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