AAC Products

AAC Vertical Wall Panels

AAC vertical wall panels are large-format AAC wall elements used where panelized wall layouts, lifting plans, and project-specific connection details are coordinated before supply. MHE Group is a global AAC producer producing and delivering AAC building systems at its associated AERCON plant, backed by 40+ years of AAC engineering, factory development, installation, and project delivery expertise.

When to choose Vertical Wall Panels

Choose vertical wall panels for storey-high walls. They run from floor to floor, can be designed as load-bearing or as infill, and cover the full wall height in one element, which reduces joints and installation time compared with blocks. For an envelope fixed to a steel or concrete frame, horizontal cladding panels spanning between columns are usually the better fit.

Applications

  • Panelized vertical wall systems
  • Commercial and industrial envelopes
  • Projects requiring coordinated wall-panel layouts
  • AAC building systems that benefit from larger wall elements

Technical data (ICC-ES ESR-1652)

The AERCON plant in Haines City, Florida, which produces the AAC products MHE Group supplies in the United States, holds ICC-ES Evaluation Report ESR-1652 for AERCON reinforced AAC panels (reissued May 2026, valid through May 2027). The values below are quoted from Table 2 of that report. They are material design values for strength category AC4, not whole-wall or whole-assembly ratings; the final design is confirmed by the project engineer.

PropertyAC4
Nominal dry density40 pcf (600 kg/m³)
Minimum compressive strength, f′c626 psi
Allowable compressive strength157 psi
Allowable flexural compressive strength209 psi
Allowable flexural tensile strength24 psi
Allowable shear strength17 psi
Modulus of elasticity, E360,000 psi
Coefficient of thermal expansion4.4 × 10⁻⁶ /°F
Thermal conductivity, k≈ 0.16 W/m·K1.11 Btu·in/(ft²·h·°F)
Thermal resistance per inch, R/in (computed as 1 ÷ k)Material value, not a whole-assembly R-value≈ 0.90
Design dead weight49 pcf

Fire resistance

  • Reinforced floor and roof panels at least 8 in (203 mm) thick and 2 ft wide: 4-hour restrained assembly rating, and 1-hour unrestrained rating when the reinforcement has at least 7/8 in (19.1 mm) cover (ASTM E119).
  • Partition panels 4 in (102 mm) thick, category AC4: 3-hour fire-resistance rating (nonbearing).
  • The material is noncombustible per ASTM E136.

Further reading: AAC fire safety and what AAC is. For wider comparisons, see fire-resistant wall systems, building materials for hurricane-prone areas and lightweight vs traditional concrete construction.

Product sizes listed in ESR-1652

ProductMaximum lengthThicknessWidth
Interior Wall Panel9 ft 8 in3, 4, 6 in24 in
Load-bearing Wall Panel12 ft 0 in8, 10, 12 inup to 24 in
  • Allowable deflection: roof panels L/180 under total load and L/240 under live load; floor panels L/240 under total load and L/360 under live load.
  • Reinforcing bars 3/16 to 1/2 in diameter with anticorrosion treatment per ASTM C1694 and minimum 1/2 in AAC cover. Panel span, load, and reinforcement are designed per project.

Source: ICC-ES ESR-1652 (PDF), Tables 1 and 2, held by AERCON Florida, LLC, Haines City, Florida. Compliance basis: ASTM C1386 and C1694 (material and reinforcement), ASTM E119 (fire tests), ASTM E136 (noncombustibility), for the IBC and IRC. Report status can be checked at icc-es.org; values on this page are updated when the report is reissued.

Technical Considerations

  • Panel dimensions, lifting access, bearing, connection details, and movement requirements must be confirmed for each project.
  • Wall-panel layouts should be coordinated with openings, services, finishes, and structural support conditions.
  • Handling and installation plans should be prepared before product delivery.

Design and Installation Notes

  • Request current product data before final specification.
  • Coordinate vertical wall panel drawings with architectural, structural, and envelope teams.
  • Confirm transportation, crane access, storage, and installation sequence early.

Completed projects

University of South Florida residence hall, Tampa, Florida: AAC wall panels combined with AAC hollowcore slab panels.

Carrboro Baptist Church, Carrboro, North Carolina: AAC wall panels with a timber-frame roof.

Mitsubishi Polysilicon Plant, Theodore, Alabama: AAC wall panels together with AAC floor and roof panels.

More projects are listed in the North American AAC project reference list.

Related AAC Product Paths

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Frequently Asked Questions

What are AAC vertical wall panels used for?

AAC vertical wall panels are used where large-format AAC wall elements are appropriate for the project layout, lifting plan, and connection design.

Are vertical wall panels the same as blocks?

No. Blocks and vertical wall panels are different AAC product forms. Panel selection requires layout, handling, and connection review.

Can MHE support vertical wall panel planning?

Yes. MHE can support product documentation review, panel layout coordination, and supply planning through qualified networks.

What is the difference between vertical wall panels and horizontal cladding panels?

Vertical panels run storey-high and can be load-bearing or infill. Horizontal cladding panels span between the columns of a steel or concrete frame and form the building envelope. The structural system decides which one fits.