| After-sales Service: | 5 Years |
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| Warranty: | 5 Years |
| Feature: | Environmental, Fireproof, Light Weight |
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EPS Cement Sandwich Panel (also known as EPS Core Sandwich Panel or Lightweight Insulated Wall Panel) is a high-performance prefabricated building material composed of:
Outer Layers: Fiber-reinforced cement boards (or silicon calcium boards) for structural strength.
Core Material: Expanded Polystyrene (EPS) foam for thermal insulation.
Adhesive Layer: Special polymer-modified cement mortar for bonding.
This panel is widely used in residential, commercial, and industrial construction due to its lightweight, fire resistance, thermal insulation, and rapid installation benefits.
| Parameter | Value / Description | Testing Standard |
| Panel Thickness | 50mm, 60mm,75mm, 100mm, 120mm, 150mm,200mm (customizable) | ASTM C1289 |
| Panel Size | 1200mm × 2400mm (standard), up to 6000mm length | ISO 8335 |
| Density (EPS Core) | 18-30 kg/m³ | ASTM D1622 |
| Compressive Strength | ≥0.15 MPa (EPS core) | ISO 844 |
| Thermal Conductivity | 0.033-0.038 W/(m·K) | ASTM C518 |
| Fire Rating | Class A (Non-combustible) | ASTM E84 / EN 13501-1 |
| Sound Insulation | 40-45 dB (for 100mm panel) | ISO 10140 |
| Water Absorption | ≤10% (by volume) | ASTM C272 |
| Bending Strength | ≥5 MPa (full panel) | ASTM C393 |
| Weight | 15-25 kg/m² (depending on thickness) |
| Feature | EPS Sandwich Panel | Brick Wall | Concrete Panel |
| Weight (kg/m²) | 15-25 | 180-220 | 200-250 |
| Thermal Insulation | Excellent (0.033 W/m·K) | Poor | Moderate |
| Installation Time | 1-2 days per house | 2-4 weeks | 3-6 weeks |
| Fire Resistance | Class A | Class A | Class A |
| Cost Efficiency | 30% cheaper | High labor cost | High material cost |
Shandong Luying Building Materials Co., Ltd. is a high-tech enterprise specializing in the research, production, sales, and construction services of green, environmentally friendly, and energy-saving wall materials. The company is located in Lingquan Town, Junan County, Linyi City, covering an area of 20,000 square meters with a modern production facility spanning 6,200 square meters. Its annual production capacity exceeds 1 million square meters of lightweight energy-saving composite wall panels.
The company's core product, the lightweight energy-saving composite wall panel, boasts the following technical advantages:
The product has been widely used in residential, medical, educational, and commercial construction projects. The company is ISO-certified and supported by a professional technical service team, providing comprehensive wall system solutions to clients.
1. What is an EPS cement sandwich panel?
- Definition: A composite panel composed of two layers of fiber cement boards or calcium silicate boards sandwiching an expanded polystyrene (EPS) core material.
- Characteristics: Lightweight, thermal insulation, acoustic insulation, fire-resistant, corrosion-resistant, widely used in building walls, roofs, and partitions.
2. What are the advantages of EPS cement sandwich panels?
- Lightweight & High Strength: Weighs only 1/10 of traditional brick walls, reducing structural load.
- Superior Load-Bearing Capacity: Suspension capacity exceeds 1500N (≈153kg).
- Thermal & Acoustic Insulation: EPS core effectively blocks heat transfer and sound transmission.
- Fire Resistance: Cement facings combined with flame-retardant EPS typically achieve Class A fire rating (non-combustible).
- Rapid Installation: Modular design with prefabricated components allows effortless cutting/grooving, minimizing labor and time costs.
- Eco-Friendly: Recyclable materials with low embodied energy in production.
3. Disadvantages & Precautions
- Low Impact Resistance: Thin cement surface layer requires avoidance of impacts from sharp/heavy objects (ASTM D256 Izod impact test standard).
- Non-Load-Bearing: Restricted to non-load-bearing structures; requires steel framing support (EN 1993-1-1:2005 for structural steel design).
- Moisture Sensitivity: Prolonged exposure to humidity may degrade EPS properties; waterproofing measures are mandatory (EN 16047:2012 for sandwich panel moisture resistance).
- Dust Generation: Cutting during installation produces fine particulate matter; OSHA-compliant PPE (e.g., N95 masks) must be worn (OSHA 29 CFR 1910.134 respiratory protection).
4. Environmental Friendliness?
- Recyclability: Cement panels can be crushed and reused, while EPS (expanded polystyrene) can be recycled and pelletized.
- Production Process: No toxic substances are released during manufacturing, with carbon emissions significantly lower than traditional construction materials.
5. Maintenance and cleaning guidelines?
- Routine Cleaning: Wipe surfaces with water or neutral detergents.
- Periodic Inspection: Check joint seals and repair cracks promptly.
- Anti-Corrosion: Apply rust-proof coatings to exposed metal connectors.
6. What is the service life?
- Normal Conditions: Over 30 years (with proper installation and no extreme environmental damage).
- Risk Factors: Humidity, acid rain, or salt spray may shorten lifespan.
7. Typical applications?
- Common Uses:
- Factories, warehouses, logistics centers
- Temporary structures (site offices, exhibition halls)
- Agricultural greenhouses, livestock barns
- Noise barriers, container houses
- Unsuitable For: Load-bearing walls, submerged environments, or areas near high-temperature industrial furnaces.
8. Can dimensions and colors be customized?
- Dimensions: Most manufacturers offer custom lengths and thicknesses (standard: 50-200mm).
- Colors/Textures: Available with colored coatings or stone/wood-grain finishes.
9. Acoustic performance?
- Reference Data: 100mm thick panels provide 40-45 dB sound insulation, meeting general building requirements.
- Enhancement: Increase panel thickness or add sound-absorbing layers.
10. How to Improve the Thermal Insulation Performance of EPS Cement Sandwich Panels?
EPS cement sandwich panels consist of expanded polystyrene (EPS) foam cores with a closed-cell structure, which traps air and provides extremely low thermal conductivity, effectively reducing heat transfer. The cement facings offer structural support and surface protection, forming a lightweight insulated wall system suitable for both thermal and cold insulation applications.
Methods to Enhance the Thermal Insulation Performance of EPS Cement Sandwich Panels:
1. Increase the Core Thickness - A thicker EPS core improves thermal resistance (R-value), reducing heat transfer.
2. Optimize Joint Sealing-Apply expanding foam sealant to fill panel gaps, minimizing thermal bridging and improving overall insulation continuity.
11. Is the EPS cement sandwich panel itself moisture-proof?
Yes.
- Cement surface layer: Good waterproofing; can block liquid water penetration.
- EPS core material: Closed-cell structure, low water absorption rate.
12. Can it be used in seismic zones?
Yes - Flexible EPS core absorbs vibrations.
13. How long does it last?
50+ years with proper maintenance.
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