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The HP Metal Curtain Wall System is a premium insulated sandwich panel solution engineered for high-rise buildings, industrial facilities, and public infrastructure. Featuring an A1 fire rated non-combustible rock wool core with up to 4 hours fire resistance (150mm), this system delivers exceptional thermal insulation with U-value as low as 0.32 W/m²·k, reducing energy costs by up to 25%. With Grade 9 wind load resistance, it withstands 12+ typhoon-force winds, making it the ideal choice for demanding building envelope projects worldwide.
Beyond our HP Metal Curtain Wall System, Glostar offers a full range of roofing and facade solutions to meet your project needs:
| Parameter | Specification |
|---|---|
| System Type | HP Metal Curtain Wall System (Insulated Sandwich Panel) |
| Core Material | Premium hydrophobic rock wool (≥120kg/m³) |
| Fire Rating | A1 non-combustible (GB8624-2012) |
| Fire Resistance | Up to 4 hours (150mm); 30min (50mm), 60min (80mm) |
| Panel Thickness | 50mm, 60mm, 75mm, 80mm, 100mm, 120mm (Customizable) |
| Exterior Surface Thickness | 0.7mm – 1.2mm |
| Back Surface Thickness | 0.5mm – 1.2mm |
| Exterior Surface Material | Pre-coated aluminum / Stainless steel / Pre-coated stainless steel / Titanium Zinc |
| Back Surface Material | Pre-coated aluminum sheet |
| Coating Options | PVDF / LUXACOTE / POLYESTER / Customizable |
| Color Options | RAL Classic colors (subject to design requirements) |
| Adhesive | Two-component polyurethane (Henkel or equivalent) |
| U-Value | As low as 0.32 W/m²·k |
| Wind Load Resistance | Grade 9 (highest per GB/T 15227) |
| Surface Flatness | ≤0.5mm/m |
| Airborne Sound Insulation (100mm) | 38dB |
| Applicable Standards | GB/T 23932-2009, JG/T 453-2019, JGJ 133-2001, GB/T 15227, GB 8624-2012, BS 476 Section 7 |
| Thickness (mm) | Weight (kg/m²) | Thermal Conductivity (W/m²·k) | Flexural Load Capacity (kN/m²) |
|---|---|---|---|
| 60 | 14.4 | 0.60 | 2.5 |
| 80 | 17.1 | 0.46 | 3.6 |
| 100 | 19.65 | 0.38 | 4.5 |
| 120 | 22.28 | 0.32 | 5.4 |
| Performance Feature | Technical Description |
|---|---|
| Formaldehyde Emission | Complies with GB 18580-2001, Grade E1 – suitable for direct indoor use |
| Environmental Certification | National Commercial Standard Certification for Eco-Building Materials |
| High Temperature & Humidity Resistance | 99.9% tensile strength retention (80°C, 80% RH, 24h) |
| Panel Replaceability | Individually replaceable without disturbing adjacent panels |
| Thermal Break Design | Enclosed empty chambers in aluminum frames – prevents thermal bridging |
A: The HP Metal Curtain Wall System achieves A1 fire rating (non-combustible) with up to 4 hours fire resistance at 150mm thickness.
A: The interlocking dry-hung assembly enables 60% faster installation than aluminum veneer systems, with 30% shorter construction timelines.
A: The system achieves U-values as low as 0.32 W/m²·k, reducing heating and cooling costs by up to 25%.
A: Yes, we provide free samples for qualified projects. Contact us to request your sample.
Free Design Consultation · Custom Specifications · Full Installation Support · Factory Direct Price
Glostar New Materials Group Co., Ltd. – China Factory Direct
Performance Features
Upgraded fabrication process for better wind resistance
Tough and durable panels and core materials are tightly glued together to deliver outstanding thermal performance and wind resistance.
Empty chambers are enclosed inside the thermal break aluminum profiles for sound deafening effect.
Rigid structure, great surface flatness, vertical isotherm structure and much less heat conduction.
Light and yet elegant, easy for designers to handle.
HP series can accommodate different types of decorative effects and are inherently environmentally friendly.
Technical Specifications
Panel thickness | weight (kg/m2) | Thermal conductivity (W/m2·k) | Flexural load- bearing capacity (span) | |
NS | 60 / 80 / 100 / 120 | 15 / 17.6 / 20.25 / 22.9 | 0.6 / 0.46 / 0.38 / 0.32 | 2.6 / 3.7 / 4.8 / 5.7 |
HP | 60 / 80 / 100 / 120 | 14.4 / 17.1 / 19.65 / 22.28 | 0.6 / 0.46 / 0.38 / 0.32 | 2.5 / 3.6 / 4.5 / 5.4 |
FP | 60 / 80 / 100 / 120 | 15 / 17.6 / 20.25 / 22.9 | 0.62 / 0.48 / 0.4 / 0.34 | 2.55 / 3.65 / 4.65 / 5.55 |
Arameter | Specification | |
Standard Thickness | 50mm, 60mm, 75mm, 80mm, 100mm, 120mm (Customizable) | |
Exterior Surface Thickness | 0.7 - 1.2 mm | |
Back Surface Thickness | 0.5 - 1.2 mm | |
Surface Panel Material | Pre-coated aluminum sheet / Stainless steel / Pre-coated stainless steel / Titanium Zinc | |
Back Surface Material | Pre-coated aluminum sheet | |
Core Material | Premium hydrophobic rock wool | |
Adhesive | Two-component polyurethane adhesive | |
Coating Material | LUXACOTE / PVDF (Polyvinylidene Fluoride) / POLYESTER / Customizable | |
Color Options | RAL Classic colors (subject to design requirements) | |
Flame-spread Classification | Class I (BSI BS476 Section 7) | |
Surface Fire Resistance | Class A |
Performance Feature | Technical Description | |
Formaldehyde Emission & Environmental Testing | Complies with the mandatory standard GB 18580-2001 "Indoor Decorating and Refurbishing Materials - Limit of Formaldehyde Emission of Man-made Boards and Their Products". Formaldehyde emission grade E1, suitable for direct indoor use. | |
Environmental Certification | National Commercial Standard Certification for Eco-Building Materials | |
High Temperature & Humidity Resistance | Tensile strength after exposure to high temperature and humidity (80°C, 80% RH, 24h) remains at 99.9% of the standard condition tensile strength. | |
Applicable Standards | GB/T 23932-2009 Building Insulated Sandwich Panels with Metal Facings | |
JG/T 453-2019 Technical Standard for Application of Metal-faced Sandwich Panels | ||
JGJ 133-2001 Technical Code for Metal and Stone Curtain Wall Engineering |
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The HP Metal Curtain Wall System is a high-performance, factory-prefabricated insulated sandwich panel solution designed for architects, contractors, and developers seeking a balance of fire safety, thermal efficiency, structural integrity, and fast-track installation.
Engineered with a three-layer composite construction – durable metal face sheets bonded to a high-density hydrophobic rock wool core – this system consolidates structural support, thermal insulation, and aesthetic finishing into a single, ready-to-install panel. The result is a building envelope solution that significantly reduces on-site labor, shortens project timelines, and delivers long-term energy savings.
Key Advantage | Benefit |
|---|---|
A1 Fire Rated | Non-combustible rock wool core; up to 4 hours fire resistance (150mm); Class A surface fire rating |
Thermal Efficiency | U-value as low as 0.32 W/m²·k; reduces heating/cooling costs by up to 25% |
Wind Load Resistance | Grade 9 (highest per GB/T 15227); withstands 12+ typhoon-force winds |
Structural Flatness | Surface flatness ≤0.5mm/m; eliminates oil-canning and deformation |
Fast Installation | Interlocking dry-hung assembly; 60% faster installation than aluminum veneer systems |
Factory Direct Pricing | No middlemen; cost savings of 10%+ compared to traditional facade solutions |
Durability | 30+ year service life; 99.9% tensile strength retention after high-humidity exposure |
Design Flexibility | Custom thicknesses 50-120mm; RAL color options; PVDF/POLYESTER/LUXACOTE coatings |
A1 Fire Safety – Up to 4 Hours Protection
The HP system's rock wool core is naturally non-combustible, achieving A1 fire rating per GB8624-2012. Fire resistance testing per GB/T 9978-2008 confirms:
50mm thickness: 30-minute fire resistance
80mm thickness: 60-minute fire resistance
150mm thickness: 180-minute (3-hour) fire resistance
This critical fire protection is essential for high-rise buildings, airports, factories, hospitals, and any facility where occupant safety is paramount. Unlike PE-core or aluminum honeycomb panels that soften or combust under high temperatures, the HP system maintains structural integrity during fire events.
Thermal Insulation – Reducing Energy Costs
The high-density rock wool core delivers exceptional thermal performance with thermal conductivity values ranging from 0.60 to 0.32 W/m²·k depending on panel thickness. The thermally broken aluminum frame design, featuring enclosed empty chambers, further minimizes heat conduction and prevents thermal bridging. This integrated insulation approach meets 75% building energy conservation standards, significantly reducing annual HVAC operational costs.
Structural Strength & Wind Load Resistance
The three-layer sandwich construction provides superior flexural load-bearing capacity, with test values reaching 2.5 to 5.4 kN/m² (span 2000mm). This translates to wind resistance up to Grade 9 (the highest classification per GB/T 15227), capable of withstanding extreme weather events. The rigid composite structure distributes loads uniformly, eliminating localized stress concentration and maintaining surface flatness within ≤0.5mm per meter – a critical specification for large-span facades requiring visual consistency.
Acoustic Insulation – Noise Reduction
The dense rock wool core, combined with enclosed empty chambers within the thermal break profiles, delivers effective sound deafening performance. With an airborne sound insulation rating of 38dB for 100mm-thick panels, the HP system significantly reduces external noise penetration – essential for buildings located in urban centers or near transportation corridors.
Weather Resistance & Durability
The exterior face sheet features PVDF (LUXACOTE) or POLYESTER coating systems, offering exceptional UV resistance, color retention, and corrosion protection. Accelerated aging tests confirm:
High-temperature/humidity exposure (80°C, 80% RH, 24h): 99.9% tensile strength retention
Formaldehyde emission: E1 grade (GB 18580-2001) – safe for indoor use
Expected service life: 30+ years with minimal maintenance
The fastener-free fixation system allows for thermal expansion and contraction without stress concentration, preventing buckling, delamination, or surface deformation over decades of service.
Parameter | Specification |
|---|---|
Panel Thickness | 50mm, 60mm, 75mm, 80mm, 100mm, 120mm (Customizable) |
Exterior Surface Thickness | 0.7 – 1.2 mm |
Back Surface Thickness | 0.5 – 1.2 mm |
Exterior Surface Material | Pre-coated aluminum / Stainless steel / Pre-coated stainless steel / Titanium Zinc |
Back Surface Material | Pre-coated aluminum sheet |
Core Material | Premium hydrophobic rock wool (≥120kg/m³) |
Adhesive | Two-component polyurethane (Henkel or equivalent) |
Coating Options | PVDF / LUXACOTE / POLYESTER / Customizable |
Color Options | RAL Classic colors |
Flame-spread Classification | Class I (BSI BS476 Section 7) |
Surface Fire Resistance | Class A (A1 grade) |
Airborne Sound Insulation | 38dB (100mm thickness) |
Surface Flatness | ≤0.5mm/m |
Environmental Certification | E1 formaldehyde grade; National Eco-Building Materials Certification |
Panel Type | Thickness (mm) | Weight (kg/m²) | Thermal Conductivity (W/m²·k) | Flexural Load (kN/m², span 2000mm) |
|---|---|---|---|---|
NS | 60 / 80 / 100 / 120 | 15 / 17.6 / 20.25 / 22.9 | 0.60 / 0.46 / 0.38 / 0.32 | 2.6 / 3.7 / 4.8 / 5.7 |
HP | 60 / 80 / 100 / 120 | 14.4 / 17.1 / 19.65 / 22.28 | 0.60 / 0.46 / 0.38 / 0.32 | 2.5 / 3.6 / 4.5 / 5.4 |
FP | 60 / 80 / 100 / 120 | 15 / 17.6 / 20.25 / 22.9 | 0.62 / 0.48 / 0.40 / 0.34 | 2.55 / 3.65 / 4.65 / 5.55 |
The HP system employs a socket-and-plug interlocking assembly method with pre-embedded sealant strips, enabling rapid on-site installation without specialized welding or complex framing. Key construction advantages include:
Factory prefabrication: Panels arrive on-site ready for installation – no separate insulation layers required
Modular dry-hung assembly: Panel clip fixation system eliminates screw penetration on the exterior surface
Installation speed: Typical crew of 10 can install 60–80 m² per day – up to 60% faster than aluminum veneer systems
Project time savings: 30% shorter construction timeline compared to traditional multi-layer facades
Single-panel replaceability: Individual panels can be removed and replaced without disturbing adjacent panels, simplifying long-term maintenance
No middlemen: Factory-direct sourcing ensures competitive pricing and supply chain transparency
Standard | Description |
|---|---|
GB/T 23932-2009 | Building Insulated Sandwich Panels with Metal Facings |
JG/T 453-2019 | Technical Standard for Application of Metal-faced Sandwich Panels |
JGJ 133-2001 | Technical Code for Metal and Stone Curtain Wall Engineering |
GB/T 15227 | Test Method for Curtain Wall Air Permeability, Watertightness & Wind Load |
GB 8624-2012 | Combustion Performance Classification (A1 non-combustible) |
BS 476 Section 7 | Fire Tests – Class I Flame Spread |
GB 18580-2001 | Formaldehyde Emission – E1 Grade |
Building Type | Why HP System is Preferred |
|---|---|
High-rise office towers | A1 fire rating, Grade 9 wind resistance, 30+ year durability |
Healthcare facilities | E1 indoor air quality, Class A fire safety, easy-clean surfaces |
Pharmaceutical R&D centers | Strict environmental control, thermal stability, fire protection |
Airports & transportation hubs | Fire safety compliance, acoustic insulation, large-span capability |
Industrial manufacturing plants | Fast installation, weather resistance, low maintenance |
Educational campuses | Durable, safe, energy-efficient building envelope |
Cold-climate residential buildings | Rock wool insulation meets 75% energy conservation standards |
Service | Offerings |
|---|---|
Factory Direct Supply | Competitive pricing, transparent supply chain, quality control at source |
Free Design Support | Technical drawings, structural calculations, application-specific customization |
Custom Solutions | RAL colors, panel thicknesses, coating types, and surface textures |
Free Samples | Try-before-you-buy program to verify quality and specifications |
24/7 Global Support | Fast response to technical inquiries, project consultation, and after-sales support |
Turnkey Solutions | Complete system supply from design through installation guidance |
Project Time Guarantee | 30% faster installation vs. traditional systems – reduced labor and overhead |
Step | Consideration | Recommendation |
|---|---|---|
1 | Fire safety critical? | Choose HP – A1 rated, 4-hour fire resistance |
2 | Energy efficiency required? | Choose HP – U-value as low as 0.32 W/m²·k |
3 | Fast-track construction? | Choose HP – 30% shorter installation time |
4 | Budget control? | Choose HP – factory direct pricing, 10%+ cost savings |
5 | Design flexibility? | Choose HP – custom RAL colors, thicknesses, coatings |
For project-specific technical recommendations, design support, or sample requests, contact our engineering team directly. We respond within 24 hours to all inquiries.
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