Core idea: Reduce impact and airborne transfer with suitable finishes, underlays and complete assemblies.
Source-side advantage
Impact noise is usually best reduced where the impact occurs.
Underlay compatibility
The underlay must suit the flooring, subfloor, moisture conditions, loads and building rules.
Perimeter isolation
Rigid connections at thresholds, walls and fasteners can bridge a floating system.
Expectations below
A ceiling-only project may not control vibration carried through joists and side structures.
A practical planning sequence
- Describe the source, timing and frequency character.
- Trace direct and flanking paths.
- Set a realistic improvement goal.
- Compare complete systems and local requirements.
- Document the baseline and inspect details during work.
- Repeat the same test afterward.
What cannot be guaranteed online
No website can promise a specific reduction in an unknown building. Field results depend on construction, workmanship, connected structures, openings and the source.
Written by Martin R. Calderwood.