autoclaved aerated concrete (aAc) advantages

Autoclaved Aerated Concrete (AAC) is a wall construction material with some very obvious advantages, namely, interesting energy-efficient value and high fire, mold, termite and sound resistance.

See also: AAC disadvantages

AAC (Autoclave Aerated Concrete) are blocks for wall construction. They are cheap, flexible, and are an alternative to masonry and other concrete materials, or even to other more recent wall construction materials like ICF and SIPs.

Durability

Autoclaved Aerated Concrete (AAC) is a particularly well tested construction material in colder climates (it has been invented and largely used in Scandinavia).

Though less tested in other world regions, the existing data points to the same AAC advantages in other climates, and to excellent durability and very low-maintenance requirements.

Aerated Concrete performs well, for many years, in hurricane and seismically-prone regions.

High thermal insulation

Aerated Concrete has high-thermal insulating performance. In some temperate climates, a common 8-inch-thick AAC wall may provide sufficient thermal insulation.Autoclave Aerated Concrete Blocks

However, though reasonable, the insulation provided by AAC is insufficient in many climates, making other wall building solutions more cost-effective and energy-efficient. See: Aerated Concrete Disadvantages.

Fire and Water Resistance

Aerated Autoclave Concrete is a naturally inorganic material that does not burn, which is an obvious natural advantage. It far exceeds SBC (Standard Building Code) requirements. The use of AAC eliminates the need for fireproofing materials.      

Between the AAC advantages are also their high resistance to mold, moisture and water.

Acoustic Insulation

Aerated Concrete provides very good acoustic insulation. AAC walls can achieve Sound Transmission Class (STC) ratings up to 60.

Simplified Construction

Other major AAC advantage is that the blocks aere easily handled, shipped, drilled, nailed, grooved, etc. Window trim, wiring, outlets, or decorative features can easily be created on site (contrary to what happens with materials like SIP Panels…).

Since Aerated Concrete dispenses with a large number of different building products, necessary in common concrete and wood-frame building, it also simplifies construction.

Pest Resistance

Due to their natural properties, Aerated Autoclaved Concrete is also advantageous in their high resistance to termites and other insects and pests.

See also: Aerated Concrete disadvantages

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