ACC Blocks – varmasteels.com

AAC Blocks

Autoclaved Aerated Concrete (AAC) blocks are innovative, lightweight building materials created through a precise reaction between aluminum powder and a well-balanced mix of lime, cement, and fly ash or sand. With a proven track record spanning over 80 years, AAC blocks are celebrated for their:

Standard Sizes of AAC Blocks

VSPL AAC Blocks Dimension

LENGTH (mm)

HEIGHT (mm)

THICKNESS (mm)

600 (2 ft)

200 (8")

100 (4")

600 (2 ft)

200 (8")

150 (6")

600 (2 ft)

200 (8")

600 (2 ft)

200 (8")

225 (9")

600 (2 ft)

200 (8")

300 (12")

Advantages

Easy to Install

Facilitates quick construction.

Accurate Dimensions

Ensures precise fitting and alignment.

Thermal Insulation

Enhances energy efficiency.

Fire Resistant

Meets safety standards.

Sound Proof

Minimizes noise transmission.

Earthquake Resistance

Increases safety in seismic zones.

Cost Saving

Reduces overall construction costs.

Pest Resistant

Provides durability against infestations.

Durability

Long-lasting performance.

Lightweight

Reduces structural load.

Advantages

Lightweight

Reduces structural load.

Easy to Install

Facilitates quick construction.

Pest Resistant

Provides durability against infestations.

Thermal Insulation

Enhances energy efficiency.

Fire Resistant

Meets safety standards.

Sound Proof

Minimizes noise transmission.

Earthquake Resistance

Increases safety in seismic zones.

Cost Saving

Reduces overall construction costs.

Durability

Long-lasting performance.

Accurate Dimensions

Ensures precise fitting and alignment.

Application Areas

Residential Buildings

Industrial Buildings

Commercial Buildings

Low Cost Housing

Fire & Sound Proof Walls

Educational Hospitality buildings

AAC Blocks Vs Clay Bricks

Particulars

AAC Blocks

Clay Bricks

Size: LXHXB

600mm x 200mm x 50 to 300mm

225mm x 75mm x 100/150mm

Precision in Size, Shape

Uniform & Regular Variation ±3mm

Non-uniform & Regular Variation ±2 to 10mm

Compressive Strength

3.5 – 4.00 N/mm² (As per IS:2185 Part III)

2.0 – 2.5 N/mm²

Dry Density

550 to 850 kg/m³ (Oven Dry)

1600 to 1900 kg/m³

Fire Resistance

4 hours (for 200mm thick wall)

2 hours

Sound Absorption

42 dB for 200mm thick wall

50 dB for 230mm thick wall

Thermal Conductivity (Kw-m/C)

0.16

0.18 Contribution to Carpet Area

1.5% to 3%

No contribution

Electricity Bill Saving

Up to 30% Air Conditioning Electricity Bill Saving

No energy saving

Cost Benefit Factor

Saving Sand, Steel, Cement, Labour, Time, Water for Curing

No cost benefit

Internal Plaster

Not necessary, only 10 – 12mm POP

Surface & Size not even, 15 – 20mm Plaster and then POP is applied

External Plaster

12 – 15mm Plaster because of surface & size is even

20 – 25mm Plaster required

Breakage / Wastage

2%

8 to 10%

Availability

Pre-cured by steam curing and ready for delivery throughout the year

It is seasonal, not available throughout year

Technical details of VSPL AAC Blocks

S.No

Properties

Units

Specifications

1. Density (Oven Dry)

Kg/cum

551 – 650

2. Compressive Strength

Kg/Sqm

More than 30 Kg/sq cm

3. Thermal Conductivity

W/m.k

Not Greater than 0.24

4. Sound Absorption

A. Sound absorbency of air borne sound

db

38 to 40 (for 75 & 100mm thick wall)

B. Sound absorbency of air borne sound

db

45 (for 200mm thick wall)