EASTLAND AAC Panels (Autoclaved Aerated Concrete Panels)
EASTLAND AAC panels are large‑format, steel‑reinforced autoclaved aerated concrete elements. Raw materials include sand, cement, lime, gypsum, and aluminum powder and cast with one or two layers of galvanized or epoxy‑coated steel mesh for enhanced structural performance. After autoclaving, the panels become a homogeneous composite where the concrete protects the steel from corrosion while the steel imparts flexural and tensile strength.
Key Technical Characteristics of Eastland AAC Panels
- Reinforced strength: typical bending tensile strength ≥ 4 MPa; can be designed for load‑bearing or cladding applications.
- Lightweight: despite reinforcement, density ranges 410–750 kg/m³, significantly lighter than ordinary reinforced concrete.
- High sound insulation: often used as acoustic barriers, achieving transmission loss > 35 dB for standard wall thicknesses; double‑layer reinforcement further improves structural damping.
- Superior wind load resistance: suitable for high‑rise building cladding and highway noise barriers subject to dynamic wind pressure.
- Fire resistance: 4 hours (depending on panel thickness and loading), meeting stringent safety codes for escape routes and plant walls.
- Speed of erection: large panels (lengths up to 6 m or custom) reduce joint quantity and installation time.
Common Applications of Eastland AAC Panels
- External wall cladding and curtain wall backup panels
- Load‑bearing wall panels for low‑ to mid‑rise construction
- Acoustic noise barriers for highways, railways, tunnels, and subway lines
- Fire‑rated partition walls in industrial plants and equipment rooms
- Load-bearing or non-load-bearing floors
- Roof panels with thermal/structural composite action
- Fencing panels
Customization & Accessories
EASTLAND AAC panels are manufactured to specified length, width (typically 600 mm), and thickness (50 mm to 300 mm or more). They must be installed with compatible metal guide rails/fixings (e.g., galvanized steel channels, brackets, and post systems). For demanding acoustic requirements, panels can be combined with glass wool or rock wool back‑fill to achieve higher weighted sound reduction indices (Rw up to 55 dB+).
EASTLAND AAC Blocks (Autoclaved Aerated Concrete Blocks)
EASTLAND AAC blocks (Autoclaved Aerated Concrete blocks) are precision-manufactured, lightweight masonry units made from a mixture of quartz sand, cement, lime, gypsum, water, and a controlled amount of aluminum powder. The aluminum powder acts as an expansion agent, creating millions of microscopic air cells throughout the material. After initial curing, the soft cake is cut into exact block dimensions and then autoclaved — cured under high-pressure steam (typically 180–200 °C and 10–12 bar) — to achieve stable strength and dimensional accuracy.
Key Technical Characteristics
- Low density (typically 400–700 kg/m³) reduces structural dead load, foundation costs, and handling effort.
- Excellent thermal insulation (λ value ≈ 0.11–0.18 W/(m·K) ) helps meet energy codes and reduces HVAC loads.
- Good airborne sound reduction (RW up to 40–45 dB depending on thickness and surface finish).
- Fire resistance: non-combustible, classified as Class A1 (EU) or 4‑hour rated (depending on thickness).
- Workability: can be cut, chased, drilled, and nailed using ordinary hand tools or power tools.
- Eco-friendly: lower embodied energy than clay bricks; waste can be recycled or used as aggregate.
Common Applications of EASTLAND AAC blocks
- Internal and external load‑bearing / non‑load‑bearing walls
- Infill walls in reinforced concrete or steel frames
- Cavity wall inner leaves
- Thermal insulation layers in roofs and floors
AAC Panel is the shortened form of Autoclaved Aerated Concrete Panel. The main materials of AAC panel are silicon sand, cement, lime etc. Reinforced with anti-stain processed steel bar, the concrete panel with many air holes was formed after high-temperature, high-pressure protection with steam. It’s a new type constructional material with excellent functions. There are patents of Germany and Sweden and Japan included in the production equipments. The complete production process, from mixing raw material, anti-stain processing of steel bar, organizing into frame, pouring paste on, cutting, steaming and pressing to surface processing, is calculated accurately with computer program and has a rigid QC control.
AAC Block is the shortened form of Autoclaved Aerated Concrete Block. The difference of the AAC block from the AAC panel are: 1) no reinforced steel inside 2) sizes are smaller than AAC panel.
English