AAC Products

AAC Standard Blocks

AAC standard blocks are the most widely used autoclaved aerated concrete (AAC) product: lightweight, precisely sized masonry units for general wall construction that combine structural capability with thermal insulation, fire resistance, and acoustic comfort. MHE Group has worked with AAC since 1986 and supplies standard blocks in thicknesses from 4 to 12 inches.

Who uses AAC blocks

General contractors and masons use AAC blocks because one trade builds the wall: blocks are large, light, and laid with thin-bed mortar, and they can be cut and chased on site with ordinary tools.

Architects and engineers specify them when a wall has to do several jobs at once: carry load, insulate, resist fire, and reduce sound, without adding separate layers for each.

Developers and owners choose AAC for hotels, residential buildings, and schools where a solid, non-combustible masonry wall is wanted at a lower structural weight than dense concrete block.

Applications

  • Load-bearing walls in low- and mid-rise buildings
  • Internal and external walls
  • Partition and infill walls in steel or concrete frames
  • Residential, hospitality, commercial, educational, and industrial buildings

Sizes and technical data

Standard block face: 8 x 24 in (200 x 608 mm).

  • 04824: 4 x 8 x 24 in (100 x 200 x 608 mm)
  • 06824: 6 x 8 x 24 in (150 x 200 x 608 mm)
  • 08824: 8 x 8 x 24 in (200 x 200 x 608 mm)
  • 10824: 10 x 8 x 24 in (240 x 200 x 608 mm)
  • 12824: 12 x 8 x 24 in (300 x 200 x 608 mm)
  • Strength classes: AC4 and AC6
  • Density range: 300 to 800 kg/m³
  • Thermal conductivity: 0.086 W/m·K
  • Fire classification: Class A1, non-combustible material

Values are confirmed per project. Full specifications and compliance references are in the AAC product catalog.

Technical Benefits

  • Lightweight — reduces structural load and speeds up handling and laying.
  • Thermal insulation — the cellular structure supports energy-efficient walls.
  • Fire resistant — non-combustible, suitable for fire-rated assemblies.
  • Acoustic comfort — helps reduce sound transmission.
  • Workable — easy to cut, drill, and shape with standard tools.

From specification to delivery

  1. Specification support: block thickness, strength class, and wall build-up confirmed against the project design.
  2. Shop drawings: wall layouts and block schedules prepared through AAC shop drawings and visualization.
  3. Production and delivery: blocks produced to the confirmed specification and shipped to site.
  4. Installation readiness: crews prepared through AAC training and certification.

AAC blocks in completed projects

SEB Civil Engineering building, Georgia Tech, Atlanta, Georgia: a four-storey educational building with load-bearing AAC jumbo block walls, combined with AAC slab and roof panels.

AmeriSuites hotels, Maryland, New Jersey, Georgia, Florida, and Texas: five-storey hotels built with a load-bearing AAC superstructure.

More projects across 28 US states are listed in the North American AAC project reference list, including hotel and hospitality and educational buildings.

Supply and how to get a quote

MHE Group, founded in Florida in 1986, supplies AAC blocks to projects in the United States and internationally. Delivery region and lead time are confirmed per project. For a quote, send the wall area or block quantity, wall thickness, load-bearing or infill use, project location, and timeline.

Technical Documentation

Detailed specifications, dimensions, and performance data are available upon request and confirmed according to project requirements. To learn more about AAC properties, read what AAC is or compare AAC blocks vs concrete blocks.

Request a quote for AAC blocks

Request AAC standard block specifications, documentation, pricing, and supply support from MHE Group.

Request Product Details

Frequently Asked Questions

What are AAC standard blocks used for?

AAC standard blocks are used for internal and external walls, partitions, and infill walls in residential, commercial, and industrial construction.

Are AAC standard blocks load-bearing?

AAC blocks are available in different strength classes (AC4 and AC6). Suitability for load-bearing use depends on the strength class and the project engineering design. Load-bearing AAC block walls have been used in completed projects such as the four-storey SEB Civil Engineering building at Georgia Tech.

What sizes are AAC standard blocks available in?

Standard blocks are 8 x 24 in (200 x 608 mm) on the face, in thicknesses of 4, 6, 8, 10 and 12 in (100 to 300 mm). The full size and code table is in the AAC product catalog.

What information is needed for a quote?

Wall area or block quantity, wall thickness, whether the walls are load-bearing or infill, the project location, and the expected delivery timeline. Drawings help but are not required for a first estimate.

What technical documents are available?

Technical specifications, dimensions, and performance data are available upon request and are confirmed according to project requirements.