Mechanical Supplies
Acoustical Enclosures & Sound Barrier Walls
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- Modular acoustic enclosures and outdoor barrier walls built from absorptive-faced panels on a steel frame, with acoustic doors, glazed viewing panels and ventilation silencers built in — plus KNC sound curtain machine enclosures where a demountable solution is needed. Barrier height and length are set by the line of sight between source and receiver, not by the panel's rating alone.
- Enclose standby generators, chillers, air-cooled condensers, pumps and industrial machinery, and screen rooftop and ground-level plant from neighbouring buildings to meet a boundary noise limit. Ventilation is what makes or breaks the design — the enclosure must pass the machine's full cooling airflow through attenuators without raising discharge temperature beyond the plant's rating, which is the constraint that usually sets the enclosure size.
- ASTM E90
- ASTM E413 (STC)
- ASTM C423 (NRC)
- ASTM E84
- ISO 11546-2
- ISO 9613-2
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