Interior wall paint free board for tunnel is an innovative green building material introduced from Korea that revolutionizes tunnel wall decoration. This advanced board requires no surface treatment, making it the perfect choice for underground construction seeking natural elegance and cost efficiency.
Interior wall paint free board for tunnel is an innovative green building material introduced from Korea that revolutionizes tunnel wall decoration. This advanced board requires no surface treatment, making it the perfect choice for underground construction seeking natural elegance and cost efficiency.
Interior wall paint free board for tunnel offers outstanding advantages for tunnel construction projects. Architects, engineers, and contractors choose this material for its perfect blend of natural aesthetics, durability, and easy installation in demanding underground environments.
Natural and Elegant – Well effect decoration for tunnel interiors
Fast and Simple Construction – High efficiency, lower cost, direct nail installation
Stable Maintenance – Long time use, more than 50 years service
High Strength – Anti-bending strength over 12MPa, suitable for crowded places
Class A1 Fireproof – 4-hour fire resistance for maximum safety
Interior wall paint free board for tunnel meets rigorous quality standards:
Thickness Range: 5-30mm for various application needs
Standard Sizes: 1200×2400mm, 1220×2440mm, 1200×3000mm, 200×3000mm
Density: 1.2-1.5g/cm³ for optimal strength-to-weight ratio
Water Content: <10% ensuring dimensional stability
Swelling Ratio: <0.25% prevents warping and deformation
Thermal Shrinkage: <0.5% maintains size across temperature changes
Anti-Bending Strength: >12MPa for structural reliability
Thermal Conductivity: <0.3W/(M.K) for energy efficiency
Fire Rating: Class A1 incombustible
Asbestos Content: 100% free of asbestos
Certifications: BV, CE, ISO compliant
Interior wall paint free board for tunnel delivers exceptional performance in underground environments:
Fire Resistance: Class A1 incombustible, 4-hour protection
Water Resistance: Excellent moisture protection for tunnels
Dimensional Stability: Minimal expansion and contraction
Impact Resistance: Withstands daily use in high-traffic areas
Thermal Performance: Low thermal conductivity for comfort
Paint-Free Surface – No additional treatment needed
Natural Texture and Color – Authentic appearance straight from production
Green Environmental Materials – Safe and sustainable
Excellent Strength and Toughness – Reliable structural performance
Water-Proof, Fire-Proof, Damp-Proof – Triple protection system
Antisepsis and Moth-Proofing – Prevents biological degradation
Good Acoustic Insulation – Effective noise reduction in tunnels
Good Thermal and Heat Insulation – Energy efficient
Durability and Long Lifetime – More than 50 years of service
Non-Deformation – Maintains shape over time
Easy Processing – Simple cutting and installation
Faster Working – Saves time and labor costs
Interior wall paint free board for tunnel offers practical installation benefits:
Paint-Free Surface – No additional treatment needed
Direct Installation – Can be installed with nails like gypsum board
Fast and Simple Construction – High efficiency, lower cost
Lightweight Design – Easy to handle and transport
Simple Processing – Can be cut with standard tools
Interior wall paint free board for tunnel is ideal for diverse tunnel and underground settings:
Highway tunnel wall cladding
Railway tunnel interior walls
Subway tunnel wall panels
Pedestrian tunnel decoration
Subway stations and platforms
Underground passageways
Large public transportation hubs
Office partitions and meeting rooms
Market and shopping center walls
Hotel interiors and washing rooms
Paint free tunnel boards outperform traditional materials:
| Feature | Paint Free Board | Gypsum Board | Magnesium Board |
|---|---|---|---|
| Fire Rating | A1 (240+ min) | Non-Flammable | Incombustible |
| Strength | ≥12MPa | 4-5MPa | 6-8MPa |
| Water Recovery | 100% after drying | Permanent damage | Permanent damage |
| Lifespan | 50+ years | 5-7 years | 5-7 years |
| Tunnel Suitability | Excellent | Poor | Moderate |
Interior wall paint free board for tunnel provides unmatched value for underground construction:
Class A1 fireproof rating for tunnel safety
Non-toxic, asbestos-free composition
No smoke emission during fire events
Natural and elegant decoration effect
Consistent natural texture and color
Well effect decoration for tunnel interiors
No painting needed, saves time and cost
Superior to gypsum and magnesium boards
More durable than traditional materials
Low maintenance requirements
Long service life of 50+ years reduces replacement costs
Lightweight design for easy handling
Direct nail installation like gypsum board
Fast installation saves labor costs
Simple processing with standard tools
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