Polyurethane core marble cladding panels use natural marble slabs as the facing layer, with a rigid polyurethane foam insulation core in the middle and a high-strength composite substrate (such as steel plate, cement-based reinforced membrane, etc.) at the bottom. This design combines the aesthetics of stone with the physical properties of polyurethane and is suitable for building exterior walls, high-end interior decoration, and special engineering scenarios.
Marble Polyurethane Sandwich Panels for Wall Decoration specifications
| Product Name | Marble Polyurethane Sandwich Panels for Wall Decoration |
| Material | Surface: Galvalume-coated steel |
| Interlayer: Rigid polyurethane foam |
| Base: Aluminum foil anti-corrosion layer |
| Dimensions | Effective width: 383mm |
| Thickness | 16mm/20mm |
| Length | Customizable, ranging from 2-6 meters for easy transport |
| Net Weight | 3.5kg/m2 |
| Installation | Snap-in fastener assembly |
The core advantages of Marble Polyurethane Sandwich Panels for Wall Decoration are:
1. Excellent Thermal Insulation
The polyurethane core material has a thermal conductivity as low as 0.022–0.024 W/(m·K), far superior to materials like rock wool and polystyrene. While maintaining the same thermal insulation performance, its thickness can be reduced by over 30%, saving 12% of building space.
With a closed-cell ratio exceeding 90%, it offers long-term moisture resistance and maintains stable thermal insulation performance for 20–50 years.
2. Highly Effective Sound and Vibration Isolation
The polyurethane microporous structure dissipates sound energy. Combined with the floating structure (floor slab-elastic cushion-protective layer), it significantly reduces solid-borne sound. Measured impact sound reduction improves by 24–29 dB, effectively addressing neighborhood noise issues.
Optimized dynamic stiffness design balances sound insulation performance with structural stability.
3. Enhanced Fire Safety
The addition of flame retardants to the core material achieves Class A fire resistance, with a sintering temperature exceeding 1000°C, preventing flame spread.
Rock wool/glass wool reinforced core material (bulk density ≥ 120 kg/m³) enhances fire resistance.marble polyurethane sandwich panel exterior cladding,marble cladding panel with polyurethane core,granite sandwich panel for wall decoration
4. Lightweight, High-Strength, and Easy Construction
High specific strength supports large-span structures and reduces load-bearing burdens.
Factory-prefabricated integrated panels allow for direct on-site installation, eliminating the need for secondary renovations and reducing construction time by over 40%.
5. Durability and Environmental Protection
Polyurethane is creep-resistant, oil-resistant, and solvent-resistant, resisting deformation under long-term loads.
Marble finishes resist weathering, offering low maintenance and a service life exceeding 30 years.
Product structure and core performance parameters of Marble Polyurethane Sandwich Panels for Wall Decoration
1. Finish: Natural marble (thickness 4–15mm), wear resistance grade ≥ 4, flexural strength ≥ 7MPa
2. Core: Rigid polyurethane foam + rock wool/glass wool reinforcement, thermal conductivity: ≤ 0.024 W/(m·K), closed porosity: ≥ 90%, fire rating: Class A (GB 8624)
3. Substrate: Alu-zinc-coated steel sheet/cement-based reinforced membrane, tensile strength: ≥ 280MPa (steel), compressive strength: ≥ 40MPa (cement-based)
4. Composite process: One-step molding on a continuous production line, peel strength: ≥ 0.1MPa (EN 14509)
Marble Polyurethane Sandwich Panels for Wall Decoration application scenarios and application cases
1. High-end building exterior walls
Ultra-low thermal conductivity meets energy-saving standards in extreme cold and hot regions, and marble finishes enhance the building's quality.
2. Floor sound insulation system
Used as a vibration damping pad (8–16mm thick) in floating structures, it addresses impact noise issues in residential and hotel buildings, achieving a measured weighted impact sound pressure level of ≤55dB.
3. Cleanrooms and medical spaces
Seamless joints prevent dust accumulation, and polyurethane's solvent resistance makes it suitable for sterile environments.
4. Historic building renovation
Lightweight design (weight ≤25kg/m²) reduces loads on existing structures, making it suitable for renovation projects.
Factory display picture (all pictures are taken from real factory scenes)
Packaging and delivery display pictures (all pictures are taken from real factory scenes)
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