Noise Control for Mechanical Plant Rooms
Noise from a mechanical plant room reaches the rest of the building two ways: through the air and through the structure. A floating floor separates the room's floor from the slab, the walls and the rooms beneath it; isolating the equipment stops its vibration at the source. Most plant rooms near quiet areas need both.
The range
Floor, ceiling and machine
Floating Floor
Rubber mounts under a concrete floor and a strip along every wall, so the plant room floor stops carrying noise to the rooms below.
AFR-R mounts · AFR-PS perimeter strip · around 15 Hz in practice
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Vibration Isolation Hangers
Rubber and spring hangers for ceilings and suspended services, so pipework and ductwork do not carry noise into the slab above.
Housed or open · spring, rubber or both
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Vibration Isolation
Spring and rubber mounts and inertia bases that stop the equipment’s vibration at the source.
Spring isolators · rubber mounts & pads · inertia bases
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Where the noise goes
Stop it at the floor, the ceiling or the machine
| Criterion | Floating Floor | Hangers | Isolators |
|---|---|---|---|
| Stops | Noise through the plant room floor | Noise from suspended services into the slab | Vibration from the equipment into the structure |
| Sits | Between the structural slab and a concrete floating slab | Between the slab and what hangs from it | Under the equipment or its inertia base |
| Typical use | Plant rooms above offices, flats, studios and hotel rooms | Ceilings, pipework and ductwork in plant rooms and risers | Pumps, fans, chillers, compressors |
Buy online
Floating floor mounts, perimeter strip, hangers and isolators are sold through Fixing Smith, our online store.
Related engineering services
Send us the equipment and what is below and beside the plant room.
We will select the isolators and tell you where to buy them.