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Worship Space Acoustic Requirements

Churches, mosques, synagogues, temples. Typical volume: 500-20,000 m³. Covered by 1 acoustic standard.

RT60 (Reverberation Time)
The time, in seconds, for a sound to decay by 60 decibels after the source stops. Measured per ISO 3382-2:2008 at octave band centre frequencies from 125 Hz to 4 kHz.
Reference: ISO 3382-2:2008 \u00A73.1

Standards Comparison for Worship Space

StandardRT60 TargetBackground NoiseSTI Target
GlobalISO 3382Speech: 1.0-1.5s | Music-led: 2.0-3.0s | Mixed: 1.5-2.0sNR-25≥ 0.45 (speech intelligibility) | STI ≥ 0.60 for PA systems

Detailed Requirements by Standard

ISO 3382Global · ISO
RT60Speech: 1.0-1.5s
Noise LimitNR-25
TreatmentVariable — adjustable absorption systems common

Frequently Asked Questions

What RT60 does a worship space need?

RT60 targets vary by standard. ISO 3382 requires Speech: 1.0-1.5s | Music-led: 2.0-3.0s | Mixed: 1.5-2.0s.

Which acoustic standard applies to worship space spaces?

The applicable standard depends on region and certification: ISO 3382 (Global).

How much does acoustic treatment cost for a worship space?

Costs vary by standard and treatment scope. ISO 3382: £120-£280/m² of floor area.

Verify Compliance for Your Worship Space

Enter your room dimensions and materials. AcousPlan calculates RT60 against all applicable standards instantly.

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