AAC Block Malaysia — Complete Buyer's Guide 2026

If you’re looking for AAC block suppliers in Malaysia, or trying to decide whether AAC blocks are right for your project, you’re in the right place.

This guide covers everything you need to know: what AAC blocks are, their technical specifications, how they perform in Malaysia’s climate, typical pricing, and — if you’re open to it — why many Malaysian and Singapore contractors are now choosing vPanel ALC panels as a faster, more cost-efficient alternative.

Whether you decide to use AAC blocks or explore vPanel, this page gives you the information to make the right call for your project.

What Is an AAC Block?

AAC (Autoclaved Aerated Concrete) blocks are lightweight building blocks made from a mixture of sand or fly ash, cement, lime, water, and an aluminium powder foaming agent.

When aluminium powder reacts with the alkaline mixture, it produces hydrogen gas, creating millions of tiny air bubbles throughout the block. The blocks are then cured in a high-pressure steam autoclave, which gives them their characteristic lightweight strength.

AAC blocks are widely used in Malaysia for:

  • Residential housing partitions and external walls

  • Commercial office building interior walls

  • Industrial factory partitions

  • Any application where a lightweight, fire-resistant, thermally insulating wall is needed 

Property

Typical AAC Block Value

Notes

Material

Sand/fly ash + cement + lime + aluminium powder

Autoclaved curing process

Density

400–800 kg/m³

3–5× lighter than conventional concrete

Block Size

600mm × 200mm × 75–250mm (various)

Available in multiple thicknesses

Compressive Strength

2.5–7.5 N/mm²

Suitable for non-load-bearing walls

Thermal Conductivity

0.10–0.24 W/mK

Good thermal insulation

Fire Resistance

2–6 hours

Meets Malaysian building codes

Water Absorption

Up to 20%

Requires proper waterproofing in wet zones

Price Range (Malaysia)

RM 1.50–RM 3.50 per block (est.)

Varies by thickness and supplier

How Are AAC Blocks Made in Malaysia?

AAC blocks go through the following manufacturing process:

1. Raw material mixing — Sand or fly ash, cement, lime, water, and aluminium powder are combined into a slurry.

2. Pouring and rising — The mix is poured into large moulds. Aluminium powder reacts with lime to produce hydrogen gas, causing the mixture to rise like bread dough, creating the aerated cellular structure.

3. Pre-curing — The blocks partially harden at room temperature for 2–4 hours.

4. Wire cutting — The hardened slab is cut to the required block dimensions using steel wires with precision cutting equipment.

5. Autoclaving — The cut blocks are placed in an autoclave (a pressurized steam chamber) at 180–200°C for 8–12 hours. This process gives AAC its final strength and dimensional stability.

6. Quality testing — Blocks are tested for compressive strength, density, and dimensional accuracy before leaving the factory.

The autoclaving step is what makes AAC blocks expensive to produce — it requires significant energy and capital investment. This is one of the reasons why non-autoclaved alternatives like Vodapruf’s vPanel ALC panels can often be priced more competitively while delivering similar or better performance.

AAC Block Technical Specifications

Malaysian construction projects typically specify AAC blocks under SIRIM MS 2514 standard. The following specifications apply:

Specification

Class A
(Low Density)

Class B
(Medium)

Class C
(High Density)

Dry Density

400–500 kg/m³

501–700 kg/m³

701–800 kg/m³

Compressive Strength

≥ 2.5 N/mm²

≥ 3.5 N/mm²

≥ 5.0 N/mm²

Thermal Conductivity

~0.10 W/mK

~0.14 W/mK

~0.20 W/mK

Fire Resistance

2–4 hours

2–4 hours

3–6 hours

Best Use

Residential interior partitions

Commercial partitions / light industrial

Structural applications, external walls

Common in Malaysia?

Most common

Common

Less common

The Superior Alternative to AAC Blocks in Malaysia

Don't settle for slow installation and joint cracks.

While traditional AAC blocks are the standard for lightweight walls in Malaysia, Vodapruf vPanel ALC panels represent the next generation of lightweight construction technology. Our 1.5-meter panels deliver all the benefits of AAC blocks – fire resistance, thermal insulation, lightweight properties – but with 7.5x faster installation and 70% less labor costs.

AAC Block
AAC Block

Introducing vPANEL SHORT PANEL

Comes in fixed length of 1.5metre (1500mm), thickness of 100mm/150mm/200mm

  • LEFT Picture taken at our 5 acre factory in Kulai, Johor, Malaysia
  • Using our advance formulation, panel is naturally dried cured for 7 days before sending to site.

We developed the vPanel Short Panel (1.5m length) to bridge the gap. It is not a heavy wall panel that requires a crane, but it is larger than a standard block. It is the perfect ‘Middle Ground’ for Singapore and Malaysia renovation and factory projects.

*RIGHT Picture of actual installation done on site 23 Tampines Street 92, Singapore (Food Factory)

Application @ Food Factory

7.5 times faster than AAC Block yet it meet the requirement of Singapore BCA buildability scoring, achieving a rating of 0.85.

Product chosen by client due to
  • limited lift access to level 2,3,4,5 (max dimension of 1.5metre)
  • Lower water absorbtion
  • Lower cost than standard length panel

Application @ SICC (Singapore Inflight Catering Centre)

Comes in fixed length of 1.5metre (1500mm), thickness of 100mm/150mm/200mm

  • LEFT Picture taken at our 5 acre factory in Kulai, Johor, Malaysia
  • Using our advance formulation, panel is naturally dried cured for 7 days before sending to site.

*RIGHT Picture of actual installation done on site 23 Tampines Street 92, Singapore (Food Factory)

Lower Price, Faster Than AAC Block and Less Joints

It meet the requirement of Singapore Building Construction Authority’s Buidability Guideline, achieving LSI of 0.85

75faster

7.5x Faster

Low Labor

Cost Saving

70% Grout Saving

Less Joint Crack

Cost Saving

code-of-practive-on-buildability

Wall Finishing Applications

Enhance your spaces with durable and stylish wall finishing solutions tailored for lasting performance and modern design.

External Wall

Best Practice is to apply plastering layer (optional waterproofing), prior to the application of skim coat

Internal Wall

vPANEL allows a direct skim coat (3-5mm) without the need of plastering layer

Crack-Free Confidence

Full System with Better Crack Resistance

Client can consider bundle vPANEL with VODAPRUF prepacked mortar:

  • vADHESIVE Jointing Mortar
  • vBASESKIM Skim Coat

Our prepacked mortar uses a higher performance polymer and cellulose-ether, ensuring a proper curing and less shrinkage crack overtime.

Efficient Logistics & Shipment

VODAPRUF ensures smooth and reliable delivery for both overseas and regional projects, with optimized shipment methods for maximum efficiency.

Overseas Shipment

For overseas shipment, VODAPRUF Stacking method allows a total of 436.2 m2 of vPANEL to be sent per 40ft container

Malaysia and Singapore Shipment

Per lorry of 40ft are able to deliver up to 518.4m2 per trip

Ready to Speed Up Your Site?

Get your custom Quote today.

What is the price of AAC blocks in Malaysia?

AAC block prices in Malaysia typically range from RM 1.50 to RM 3.50 per block, depending on the thickness, density class, and supplier. Thicker blocks (150mm+) and higher-density blocks cost more. Prices can also vary by location — deliveries to Kuala Lumpur, Penang, or East Malaysia may carry additional freight costs. For bulk orders above 5,000 blocks, most suppliers offer negotiated pricing.

The standard AAC block size in Malaysia is 600mm long × 200mm high, with varying thicknesses: 75mm, 100mm, 125mm, 150mm, 175mm, and 200mm. The most commonly used thickness for residential interior partitions is 100mm. For external walls or walls requiring higher acoustic or fire performance, 150mm or 200mm blocks are used.

Major AAC block suppliers and manufacturers in Malaysia include Starken (Toyo Trading), Alamcon, and Ytong. These brands supply AAC blocks to residential, commercial, and industrial projects across Peninsular Malaysia. If you require a non-autoclaved ALC panel alternative — which installs 7.5× faster — Vodapruf manufactures vPanel from our Johor Bahru factory, supplying projects across Malaysia and Singapore.

AAC blocks are lighter and thermally better than conventional clay bricks, but generally have lower compressive strength. A standard AAC block (Class B) has a compressive strength of about 3.5 N/mm², compared to a clay brick at 10–30 N/mm². This means AAC blocks are best used for non-load-bearing partition walls. For structural walls, conventional bricks or reinforced concrete are more appropriate.

AAC (Autoclaved Aerated Concrete) blocks are small individual units that are stacked with mortar, similar to bricks. ALC (Aerated Lightweight Concrete) panels are large precast wall panels that span floor to ceiling in one piece. ALC panels install significantly faster — approximately 7.5× faster — and have fewer joints, reducing the risk of wall cracks. The trade-off is higher material cost per square metre, which is offset by lower labour costs on larger projects.

Yes, AAC blocks can be used for external walls in Malaysia, but they require proper waterproofing. AAC blocks have water absorption up to 20%, which means untreated external walls can absorb moisture in Malaysia’s tropical climate. Best practice is to apply a waterproofing render coat or external plaster before painting. For wet or high-humidity areas (bathrooms, food processing plants, external facades), consider using higher-density AAC blocks or alternative materials with lower water absorption.

The decision comes down to three factors: project size, timeline pressure, and site access.

• Choose AAC blocks if: Your project is under 1,000m² of wall area, you have a flexible timeline, and budget for materials is the primary concern.

• Choose vPanel ALC panels if: Your project is above 1,500m² of wall area, timeline matters (delay penalties), site access is limited (vPanel Short Panel at 1.5m length fits in standard lifts), or you want fewer joints and a more uniform finish.

Vodapruf offers a free project consultation to help you decide — contact us for a project-specific recommendation.

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