Bedroom Acoustics in Residential Buildings & Apartments
Acoustic requirements and design guidance for bedroom spaces in residential buildings & apartments buildings. RT60 target: STC 50+.
RT60 Target
STC 50+
Key Metric
NR 25, IIC 50+
Building Type
Residential Buildings & Apartments
Why Bedroom Acoustics Matter in Residential Buildings & Apartments
Acoustic performance in a bedroom directly impacts the functionality and occupant experience of residential buildings & apartments buildings. The RT60 target of STC 50+ is set to ensure that the space meets its intended purpose, whether that involves speech intelligibility, noise control, or sound isolation from adjacent areas.
The key metric of NR 25, IIC 50+ addresses the primary acoustic concern for this room type. Achieving this target typically requires a combination of absorptive surface treatments, appropriate construction mass, and careful attention to flanking paths and HVAC noise contributions.
Controlling flanking transmission in lightweight timber and steel-frame construction, where direct partition performance is undermined by vibration paths through the structure, reducing apparent STC/IIC by 10–15 points below laboratory ratings.
Applicable Standards
The following standards apply to bedroom spaces in residential buildings & apartments buildings.
Approved Document E
IBC 2021 §1207
NCC 2022 F5
DIN 4109:2018
Other Rooms in Residential Buildings & Apartments
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