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Doors vs Traffic

Decision model: reduce traffic in a music room using doors strategies. Budget: Low budget. Constraint: Rental-safe.

Step order

  1. Confirm the dominant noise type and where it leaks.
  2. Seal obvious air gaps first (trim, outlets, penetrations).
  3. Decouple where possible (resilient channel, isolation clips, or separation layers).
  4. Add mass strategically (second layer where it matters).
  5. Treat flanking paths (vents, shared framing, doors).

Context notes

  • Noise focus: Traffic. Road noise, sirens, vibration.
  • Room focus: Music room. Isolation + internal acoustics.
  • Assembly focus: Doors. Solid core, seals, thresholds.

Common failure modes

  • Sealing the visible gap but missing flanking paths.
  • Adding absorption without sealing/decoupling.
  • Blocking ventilation to chase silence.