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Cement-based Fabric (Mortar Paper) Polyurethane Rock Wool Composite Panel
Brief Description:Cement fabric polyurethane rock wool composite panel with vertical rock wool core. A1 fire-rated, waterproof and weather resistant. Solves water swelling & weak strength of standard rock wool. For external wall, roof & ceiling insulation. Factory direct
Basic Info
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Model
1200×600mm -
Shipping Place
Hebei, China -
Updated
2026-09-27 -
Views
Products
NewsProduct Details
| Standard Size | 1200×600mm |
|---|---|
| Standard Thickness | 30–150mm, customisable to suit design requirements |
| Fire Rating | Class A1 Non‑combustible |
| Hydrophobic Rate | ≥98% |
| Recommended Density | 80–160 kg/m³, customisable on request |
| Application Method | Suitable for new build and renovation projects of industrial, commercial and civil buildings. Widely used for external wall thin-coat render systems, roof envelope insulation and internal wall & ceiling thermal and acoustic insulation. Provides integrated thermal insulation, fire protection and noise reduction. |
Haochen cement-based fabric (mortar paper) polyurethane rock wool composite panel, also known as high-strength polyurethane composite rock wool panel, is a multifunctional inorganic thermal insulation material developed by Haochen Insulation for modern energy-efficient buildings, external wall thin-coat render systems, internal ceiling insulation and various building insulation projects. Many customers mistakenly associate this panel with polyurethane edge-sealed colour steel sandwich panels, although their structural principles are completely different. The panel adopts vertically oriented rock wool strips as the core material, with polyurethane-modified cement-based mortar paper (cement-based fabric) compounded on both sides. It fully inherits the excellent thermal insulation and fire resistance performance of traditional rock wool boards, while effectively improving the common defects of ordinary rock wool, such as water swelling, insufficient compressive capacity and low pull-off strength. With optimised formulation and structural design, the panel is suitable for outdoor roofing, external walls and internal insulation applications, achieving comprehensive upgrades in structural strength, waterproof performance, weather resistance and overall stability.
1. Internal Structural Composition
1.1 Vertically Oriented Rock Wool Core with High Structural Stability
Different from conventional horizontally layered rock wool panels available on the market, this product is manufactured with integrally assembled vertically arranged rock wool strips. The vertical orientation of rock wool fibres greatly enhances the panel’s compressive strength and pull-off resistance, forming a solid foundation for high strength and deformation resistance. This design effectively solves the problems of low compression resistance and weak pull-off performance of ordinary rock wool, and prevents common construction defects including insulation layer softening, thickness reduction, hollowing and peeling off.
1.2 Double-sided Polyurethane-modified Cement-based Fabric Protective Layer
Both upper and lower surfaces of the panel are composited with polyurethane-modified cement-based mortar paper and integrally moulded through high-pressure polyurethane curing technology. The dense and hardened surface completely seals the internal pores of the rock wool substrate, fundamentally eliminating the inherent shortcomings of traditional rock wool such as water absorption swelling, moisture pulverisation and gradual attenuation of thermal insulation performance. Polyurethane modification significantly improves surface hardness and overall structural integrity, delivering excellent impact resistance with effective dust-proof, powder-proof and anti-brittle properties. The rigid protective layer greatly improves pull-off adhesion for external thin-coat render systems and prevents delamination. The smooth, clean surface is highly suitable for high-standard internal wall and ceiling insulation. The fully enclosed double-layer protective structure completely wraps the rock wool core, providing outstanding integral water repellency and moisture resistance, and greatly extending the service life of the panel in roofing, external wall and internal insulation scenarios.
2. Core Product Advantages
2.1 Superior Deformation Resistance and Structural Strength
The vertical force-bearing fibre structure provides higher compressive performance and load-bearing capacity than standard rock wool boards. When applied to roofing, external wall and internal ceiling insulation, the panel maintains long-term flatness and structural stability without cracking, sinking or collapsing.
2.2 Excellent Waterproof and Weathering Performance
The compact cement-based fabric facing features excellent impermeability and integral water repellency. The panel can stably resist rainwater erosion, freeze-thaw cycles and long-term humid environments, effectively avoiding condensation, wall mould and performance degradation, and ensuring stable thermal insulation effect throughout the service life.
2.3 A1 Grade Inorganic Fire Resistance
Made of high-quality basalt vertical rock wool, the product reaches A1 non-combustible grade. It produces no molten droplets and no toxic flue gas under high-temperature conditions, fully complying with fire protection standards for external and internal insulation of industrial plants, residential buildings and public buildings.
2.4 Compatible with External Thin-coat Render Systems for Efficient Construction
The hardened, flat and powder-free surface can be directly applied to external wall thin-coat insulation systems without additional levelling treatment. It provides strong bonding force for rendering mortar, effectively avoiding hollowing and delamination, shortening construction cycles and reducing labour costs.
2.5 Internal Thermal Insulation and Sound Absorption
With dense structure and low dust emission, the panel is ideal for internal wall and ceiling insulation. It effectively blocks heat conduction, achieves heat preservation in winter and heat insulation in summer, reduces building energy consumption, and provides excellent sound absorption and noise reduction performance to improve indoor comfort.
2.6 Outstanding Ageing Resistance and Cost-effectiveness
The special surface layer features UV resistance, acid and alkali corrosion resistance, and effectively avoids peeling and cracking under alternating temperature changes. Suitable for multiple application scenarios, it has a longer service life than ordinary rock wool products and lowers long-term building maintenance costs.
3. Application Scenarios
1. Thermal insulation and fire protection works for flat roofs of steel structure factories, warehouses and workshops
2. Energy-saving renovation, thermal insulation and waterproof upgrading projects for existing building roofs
3. Roof envelope insulation systems for industrial auxiliary buildings and light steel structures
4. High-standard roof thermal and fire insulation projects in cold, snowy and high-wind areas
5. External wall thin-coat thermal insulation and fire-resistant building envelope systems
6. Full-building thermal insulation, fire protection and acoustic absorption works for internal walls and ceilings
4. Manufacturer Advantages – Haochen Insulation
4.1 Large-scale Production and Stable Quality ControlAs a professional direct manufacturer, Haochen Insulation owns fully automated rock wool composite production lines, supporting automatic batching, high-pressure compounding and integral forming. All products are manufactured under standardised procedures. Panel density, thickness and bonding strength are strictly inspected to ensure stable and qualified quality for large-scale engineering orders without cutting corners or defective products.
4.2 Sufficient Production Capacity and Reliable DeliveryThe factory maintains high daily output and can stably undertake large-batch insulation projects for roofing, external walls and interior applications. Unrestricted by order quantity, we ensure stable construction progress and effectively avoid delivery delays commonly faced by small manufacturers, fully meeting large-scale material supply demands of various construction projects.
4.3 Direct Factory Supply with High Cost PerformanceProducts are supplied directly from the factory without middlemen or dealer mark-ups, serving engineering teams, overseas traders and construction contractors. With superior quality and competitive pricing, our products effectively reduce customer procurement costs and deliver higher overall project cost performance.
4.4 Professional Technical Support and Full-cycle After-sales ServiceWe have a professional engineering technical team to provide targeted material selection and project solution design according to actual site conditions in the pre-sales stage. Online construction guidance is provided during project implementation to solve on-site technical problems. Fast after-sales response ensures stable and orderly progress of all construction projects.
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