Acoustic Compliance Guides — Room × Standard Matrix
Every acoustic design project starts with two questions: what type of room am I designing, and which standard must it comply with? This matrix maps 12 room types against 11 international building codes, producing 85 detailed compliance guides. Each guide includes RT60 targets, noise limits, step-by-step calculations, recommended materials, and a pre-loaded calculator.
All Guides by Room Type
🏫Classroom(11 guides)
BS 8233
Classroom to BS 8233:2014
RT60 ≤ 0.6s · Noise ≤ 35 dBA
DIN 18041
Classroom to DIN 18041:2016
RT60 ≤ 0.55s · Noise ≤ 35 dBA · STI ≥ 0.65
ANSI
Classroom to ANSI/ASA S12.60-2010/Part 1
RT60 ≤ 0.6s · Noise ≤ 35 dBA · STI ≥ 0.6
BB93
Classroom to BB93:2015
RT60 ≤ 0.6s · Noise ≤ 35 dBA
WELL v2 Feature S01 (Sound)
Classroom to WELL v2 Feature S01 (Sound)
RT60 ≤ 0.6s · Noise ≤ 35 dBA · STI ≥ 0.6
ISO 3382-1
Classroom to ISO 3382-1:2009
RT60 ≤ 0.6s · STI ≥ 0.6
NCC 2022
Classroom to NCC 2022 / AS/NZS 2107:2016
RT60 ≤ 0.6s · Noise ≤ 40 dBA
ASHRAE 189.1-2020
Classroom to ASHRAE 189.1-2020
RT60 ≤ 0.6s · Noise ≤ 35 NC
NRA 2000
Classroom to NRA 2000
RT60 ≤ 0.6s · Noise ≤ 35 dBA
NBR 15575
Classroom to NBR 15575:2021
RT60 ≤ 0.6s · Noise ≤ 40 dBA
IBC 2021
Classroom to IBC 2021
RT60 ≤ 0.6s · Noise ≤ 35 dBA
🏢Open Plan Office(8 guides)
BS 8233
Open Plan Office to BS 8233:2014
RT60 ≤ 0.8s · Noise ≤ 40 dBA
DIN 18041
Open Plan Office to DIN 18041:2016
RT60 ≤ 0.5s · Noise ≤ 40 dBA
WELL v2 Feature S01 (Sound)
Open Plan Office to WELL v2 Feature S01 (Sound)
RT60 ≤ 0.5s · Noise ≤ 45 dBA
ISO 3382-1
Open Plan Office to ISO 3382-1:2009
RT60 ≤ 0.8s
NCC 2022
Open Plan Office to NCC 2022 / AS/NZS 2107:2016
RT60 ≤ 0.8s · Noise ≤ 45 dBA
ASHRAE 189.1-2020
Open Plan Office to ASHRAE 189.1-2020
RT60 ≤ 0.8s · Noise ≤ 40 NC
NRA 2000
Open Plan Office to NRA 2000
RT60 ≤ 0.8s · Noise ≤ 40 dBA
IBC 2021
Open Plan Office to IBC 2021
RT60 ≤ 0.8s · Noise ≤ 45 dBA
📊Meeting Room(8 guides)
BS 8233
Meeting Room to BS 8233:2014
RT60 ≤ 0.6s · Noise ≤ 35 dBA
DIN 18041
Meeting Room to DIN 18041:2016
RT60 ≤ 0.5s · Noise ≤ 35 dBA · STI ≥ 0.65
WELL v2 Feature S01 (Sound)
Meeting Room to WELL v2 Feature S01 (Sound)
RT60 ≤ 0.6s · Noise ≤ 35 dBA · STI ≥ 0.6
ISO 3382-1
Meeting Room to ISO 3382-1:2009
RT60 ≤ 0.6s · STI ≥ 0.6
NCC 2022
Meeting Room to NCC 2022 / AS/NZS 2107:2016
RT60 ≤ 0.6s · Noise ≤ 35 dBA
ASHRAE 189.1-2020
Meeting Room to ASHRAE 189.1-2020
RT60 ≤ 0.6s · Noise ≤ 30 NC
NRA 2000
Meeting Room to NRA 2000
RT60 ≤ 0.6s · Noise ≤ 35 dBA
IBC 2021
Meeting Room to IBC 2021
RT60 ≤ 0.6s · Noise ≤ 35 dBA
🎵Concert Hall(5 guides)
BS 8233
Concert Hall to BS 8233:2014
RT60 ≤ 2.2s · Noise ≤ 20 NR
DIN 18041
Concert Hall to DIN 18041:2016
RT60 ≤ 2.2s · Noise ≤ 20 NR
ISO 3382-1
Concert Hall to ISO 3382-1:2009
RT60 ≤ 2.2s
NCC 2022
Concert Hall to NCC 2022 / AS/NZS 2107:2016
RT60 ≤ 2.2s · Noise ≤ 20 NR
IBC 2021
Concert Hall to IBC 2021
RT60 ≤ 2.2s · Noise ≤ 25 NC
🏥Hospital Ward(9 guides)
BS 8233
Hospital Ward to BS 8233:2014
RT60 ≤ 0.8s · Noise ≤ 40 dBA
DIN 18041
Hospital Ward to DIN 18041:2016
RT60 ≤ 0.8s · Noise ≤ 40 dBA
WELL v2 Feature S01 (Sound)
Hospital Ward to WELL v2 Feature S01 (Sound)
RT60 ≤ 0.6s · Noise ≤ 35 dBA · STI ≥ 0.6
ISO 3382-1
Hospital Ward to ISO 3382-1:2009
RT60 ≤ 0.8s · STI ≥ 0.6
NCC 2022
Hospital Ward to NCC 2022 / AS/NZS 2107:2016
RT60 ≤ 0.8s · Noise ≤ 40 dBA
ASHRAE 189.1-2020
Hospital Ward to ASHRAE 189.1-2020
RT60 ≤ 0.8s · Noise ≤ 35 NC
NRA 2000
Hospital Ward to NRA 2000
RT60 ≤ 0.8s · Noise ≤ 40 dBA
NBR 15575
Hospital Ward to NBR 15575:2021
RT60 ≤ 0.8s · Noise ≤ 40 dBA
IBC 2021
Hospital Ward to IBC 2021
RT60 ≤ 0.8s · Noise ≤ 35 dBA
🍽️Restaurant(8 guides)
BS 8233
Restaurant to BS 8233:2014
RT60 ≤ 1s · Noise ≤ 55 dBA
DIN 18041
Restaurant to DIN 18041:2016
RT60 ≤ 0.8s · Noise ≤ 50 dBA
WELL v2 Feature S01 (Sound)
Restaurant to WELL v2 Feature S01 (Sound)
RT60 ≤ 0.8s · Noise ≤ 50 dBA
ISO 3382-1
Restaurant to ISO 3382-1:2009
RT60 ≤ 1s
NCC 2022
Restaurant to NCC 2022 / AS/NZS 2107:2016
RT60 ≤ 0.8s · Noise ≤ 55 dBA
ASHRAE 189.1-2020
Restaurant to ASHRAE 189.1-2020
RT60 ≤ 1s · Noise ≤ 45 NC
NRA 2000
Restaurant to NRA 2000
RT60 ≤ 0.8s · Noise ≤ 55 dBA
IBC 2021
Restaurant to IBC 2021
RT60 ≤ 1s · Noise ≤ 50 dBA
🏠Residential Living Room(7 guides)
BS 8233
Residential Living Room to BS 8233:2014
RT60 ≤ 0.5s · Noise ≤ 35 dBA
DIN 18041
Residential Living Room to DIN 18041:2016
RT60 ≤ 0.5s · Noise ≤ 35 dBA
NCC 2022
Residential Living Room to NCC 2022 / AS/NZS 2107:2016
RT60 ≤ 0.5s · Noise ≤ 35 dBA
ASHRAE 189.1-2020
Residential Living Room to ASHRAE 189.1-2020
RT60 ≤ 0.5s · Noise ≤ 30 NC
NRA 2000
Residential Living Room to NRA 2000
RT60 ≤ 0.5s · Noise ≤ 35 dBA
NBR 15575
Residential Living Room to NBR 15575:2021
RT60 ≤ 0.5s · Noise ≤ 40 dBA
IBC 2021
Residential Living Room to IBC 2021
RT60 ≤ 0.5s · Noise ≤ 35 dBA
⛪Worship Space(5 guides)
BS 8233
Worship Space to BS 8233:2014
RT60 ≤ 2.5s · Noise ≤ 30 NR · STI ≥ 0.45
DIN 18041
Worship Space to DIN 18041:2016
RT60 ≤ 2.5s · Noise ≤ 25 NR · STI ≥ 0.45
ISO 3382-1
Worship Space to ISO 3382-1:2009
RT60 ≤ 3s · STI ≥ 0.45
NCC 2022
Worship Space to NCC 2022 / AS/NZS 2107:2016
RT60 ≤ 2.5s · Noise ≤ 30 dBA · STI ≥ 0.45
IBC 2021
Worship Space to IBC 2021
RT60 ≤ 2.5s · Noise ≤ 30 NC · STI ≥ 0.45
📚Library(8 guides)
BS 8233
Library to BS 8233:2014
RT60 ≤ 0.6s · Noise ≤ 35 dBA
DIN 18041
Library to DIN 18041:2016
RT60 ≤ 0.5s · Noise ≤ 35 dBA
WELL v2 Feature S01 (Sound)
Library to WELL v2 Feature S01 (Sound)
RT60 ≤ 0.6s · Noise ≤ 35 dBA
ISO 3382-1
Library to ISO 3382-1:2009
RT60 ≤ 0.6s
NCC 2022
Library to NCC 2022 / AS/NZS 2107:2016
RT60 ≤ 0.6s · Noise ≤ 40 dBA
ASHRAE 189.1-2020
Library to ASHRAE 189.1-2020
RT60 ≤ 0.6s · Noise ≤ 30 NC
NRA 2000
Library to NRA 2000
RT60 ≤ 0.6s · Noise ≤ 35 dBA
IBC 2021
Library to IBC 2021
RT60 ≤ 0.6s · Noise ≤ 35 dBA
🎬Cinema / Theatre(5 guides)
BS 8233
Cinema / Theatre to BS 8233:2014
RT60 ≤ 0.5s · Noise ≤ 25 NR
DIN 18041
Cinema / Theatre to DIN 18041:2016
RT60 ≤ 0.5s · Noise ≤ 25 NR
ISO 3382-1
Cinema / Theatre to ISO 3382-1:2009
RT60 ≤ 0.5s
NCC 2022
Cinema / Theatre to NCC 2022 / AS/NZS 2107:2016
RT60 ≤ 0.5s · Noise ≤ 30 NR
IBC 2021
Cinema / Theatre to IBC 2021
RT60 ≤ 0.5s · Noise ≤ 25 NC
🏐Gymnasium(8 guides)
BS 8233
Gymnasium to BS 8233:2014
RT60 ≤ 1.5s · Noise ≤ 55 dBA · STI ≥ 0.45
DIN 18041
Gymnasium to DIN 18041:2016
RT60 ≤ 1.5s · Noise ≤ 55 dBA · STI ≥ 0.45
ANSI
Gymnasium to ANSI/ASA S12.60-2010/Part 1
RT60 ≤ 1.5s · Noise ≤ 40 dBA
BB93
Gymnasium to BB93:2015
RT60 ≤ 1.5s · Noise ≤ 40 dBA · STI ≥ 0.45
ISO 3382-1
Gymnasium to ISO 3382-1:2009
RT60 ≤ 1.5s · STI ≥ 0.45
NCC 2022
Gymnasium to NCC 2022 / AS/NZS 2107:2016
RT60 ≤ 1.5s · Noise ≤ 55 dBA · STI ≥ 0.45
ASHRAE 189.1-2020
Gymnasium to ASHRAE 189.1-2020
RT60 ≤ 1.5s · Noise ≤ 45 NC
IBC 2021
Gymnasium to IBC 2021
RT60 ≤ 1.5s · Noise ≤ 45 NC · STI ≥ 0.45
Standards Covered
United Kingdom
BS 8233:2014
11 room type guides
Germany
DIN 18041:2016
12 room type guides
United States
ANSI/ASA S12.60-2010/Part 1
2 room type guides
United Kingdom
BB93:2015
2 room type guides
International
WELL v2 Feature S01 (Sound)
6 room type guides
International
ISO 3382-1:2009
11 room type guides
Australia / New Zealand
NCC 2022 / AS/NZS 2107:2016
11 room type guides
United States
ASHRAE 189.1-2020
8 room type guides
France
NRA 2000
7 room type guides
Brazil
NBR 15575:2021
3 room type guides
United States
IBC 2021
12 room type guides
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