Acoustic Design Requirements in Kuala Lumpur

MS 1525:2019 + GBI (Green Building Index) compliance guide for Kuala Lumpur architects and acoustic consultants.

GBI (Green Building Index) is the primary green building rating for Malaysian buildings, with acoustic credits under Indoor Environmental Quality.

Primary Standard

MS 1525:2019 + GBI (Green Building Index)

Certification Body

Malaysian Institute of Acoustics and Vibration

RT60 Targets for Kuala Lumpur

Room TypeRT60 TargetStandard
Office (open plan)≤ 0.8sMS 1525
Classroom≤ 0.6sMOE guidelines
Residential livingNC-35GBI

Common Building Types in Kuala Lumpur Requiring Acoustic Design

▶

High-rise condominiums

▶

Grade A office towers

▶

Mixed-use developments

▶

Educational institutions

Acoustic Consultants in Kuala Lumpur

Firms commonly working on acoustic design in KL include Arup Malaysia, WSP Malaysia, Acoustic & Lighting, and AECOM. AcousPlan does not endorse specific firms \u2014 this list reflects commonly encountered practices in the Kuala Lumpur market. For projects requiring professional acoustic assessment, we recommend engaging a consultant accredited by Malaysian Institute of Acoustics and Vibration.

Frequently Asked Questions: Kuala Lumpur Acoustics

What acoustic standards apply in Malaysia?▾
Malaysia references MS 1525:2019 (Code of Practice for Energy Efficiency and Use of Renewable Energy for Non-Residential Buildings) which includes acoustic criteria for HVAC noise. The Environmental Quality Act 1974 and Environmental Quality (Noise) Regulations set environmental noise limits. For green buildings, GBI (Green Building Index) includes acoustic performance credits under Indoor Environmental Quality.
Does GBI include acoustic requirements?▾
Yes, GBI Non-Residential Tool v1.2 IEQ Credit 9 awards points for acoustic comfort covering: background noise levels meeting ASHRAE/MS 1525 criteria, sound insulation between tenancies, and reverberation time for key spaces. GBI Certified and Silver ratings require basic acoustic compliance; Gold and Platinum require enhanced performance with post-completion verification by an accredited acoustic consultant.
What acoustic challenges are specific to KL?▾
KL-specific challenges include: heavy tropical rainfall generating significant impact noise on exposed surfaces, external noise from major roads (PLUS highway, DUKE expressway) and LRT/MRT lines, cooling tower and AHU noise from large HVAC systems required for tropical climate, mosque call-to-prayer noise affecting residential areas, and the widespread use of single-glazed aluminium windows in residential buildings providing minimal acoustic insulation.

Check Your Kuala Lumpur Acoustic Compliance

Enter your room dimensions and surface materials to instantly calculate RT60 and check compliance with MS 1525:2019 + GBI (Green Building Index).

Open Free Calculator