POLYJOY Building Envelope System
Integrated Wall and Roof Solutions for High-Performance Buildings
Glostar provides complete building envelope solutions combining metal insulated panels, roofing systems, wall systems, and customized protection solutions for industrial, commercial, and specialized buildings.
Integrated Wall and Roof Solutions for High-Performance Buildings
Building Envelope System
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Engineering Support
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Customized Design
03
Manufacturing Capability
04
Global Delivery
POLYJOY Building Envelope System
Deep Commitment to In-House R&D · Green Empowerment — Diversified, Customized Metal Enclosure System Solutions
POLYJOY is a benchmark brand in the field of prefabricated construction under Glostar. Focusing on the innovative application of metal materials and promoting the integration of architectural aesthetics and functionality, it provides global clients with integrated building envelope solutions for wall and roofing systems.
Brand Positioning
Deeply committed to in-house R&D
In-house R&D covering material modification, structural optimization, and eco-friendly processes.
Green Empowerment
Integrate green principles throughout the entire product lifecycle.
Innovation in Metallic Materials
Focusing on breakthroughs in the performance and aesthetics of metal envelope materials.
BUILT FOR ADVANTAGES
A building is not only a structural framework but also an environment that needs protection, insulation, and long-term performance. A properly designed building envelope system directly affects operational efficiency, maintenance costs, and occupant comfort.
POLOJOY Building Envelope Systems Benfits
Energy Efficiency
Modern buildings require effective thermal management to reduce energy consumption. High-performance insulated wall and roof systems minimize heat transfer between indoor and outdoor environments, helping buildings maintain stable temperatures while reducing heating and cooling costs. Glostar provides customized insulation solutions based on different climate conditions and project requirements.
Thermal Insulation
Thermal insulation is one of the most important functions of a building envelope. By selecting suitable insulation materials such as PU, PIR, and rock wool cores, our systems provide excellent thermal resistance for industrial and commercial buildings. Benefits include: Reduced heat loss, Improved indoor temperature control, Lower energy consumption, Better working environment
Weather Resistance
Buildings are exposed to various environmental conditions including rain, wind, humidity, and temperature changes. A complete building envelope system provides reliable protection through: waterproof roof structures, weather-resistant wall systems, durable exterior materials, professional connection solutions. Air tightness, water tightness, and wind pressure resistance are increased by 19.4%
Fire Safety
Different industries have different fire protection requirements. Glostar provides building envelope solutions using various core materials, including rock wool, PIR, and other insulation materials, according to project requirements. For industrial buildings, warehouses, and specialized facilities, selecting the right fire-resistant system is critical for safety and compliance.
Fast Installation
Prefabricated building envelope components are manufactured under controlled factory conditions and assembled efficiently on-site. Compared with traditional construction methods, integrated envelope systems offer: Shorter construction periods Reduced labor requirements Better installation efficiency More consistent quality
Long-Term Durability
A high-quality building envelope reduces maintenance requirements and improves building lifespan. Through strict material selection, manufacturing control, and engineering design, Glostar provides durable solutions suitable for long-term industrial and commercial applications.
INTEGRATED SOLUTIONS FROM WALL TO ROOF
Core Product Matrix
Leveraging Glostar’s R&D expertise, POLYJOY has developed two core product lines—wall systems and roofing systems—breaking through the performance limitations of traditional building materials.
Exterior Wall System
IW Rock Wool Sandwich Panel
IW rock wool sandwich panels are lightweight metal composite panels that combine structural strength with thermal insulation performance.
IW PU-Edged Rock Wool Sandwich Panel
IW PU-edged rock wool sandwich panels are a highly popular product that combines fire safety, energy efficiency, and durability.
TW Rock Wool Sandwich Panel
TW rock wool sandwich panels offer differentiated models within the rock wool composite series to meet diverse project requirements.
VW Rock Wool Sandwich Panel
VW Rock Wool Sandwich Panels feature a rock wool core, highlighting superior fire resistance and sound insulation performance.
HW Industrial Building Curtain Wall Panels
HW industrial building curtain wall panels are suitable for metal curtain wall systems on industrial building facades.
EW Integrated Thermal Insulation and Decorative Panel
The EW integrated thermal insulation and decorative panel is an exterior wall panel system that combines thermal insulation and decorative functions.
Roof System
PVR1000 Photovoitaic Metal Thermal Insulated Roof System
SR1000 Metal Insulated / Flexible Roof System
The SR1000 metal insulated/flexible roof system balances thermal insulation performance with installation flexibility, offering rapid installation and excellent waterproofing capabilities. Glostar provides insulated roof panel systems designed for industrial and commercial applications.
MR468 Metal Prefabricated Roof System
The MR468 metal panel system is formed by roll-forming galvanized steel, Al-Zn coated steel, or color-coated steel; it integrates with insulation materials, a base sheet, and other components to form a complete roofing system. It is suitable for large-span roofs exceeding 20 meters.
Building Envelope Integration with Steel Structure
Steel Structure System
Building Envelope System
Roof & Wall Solutions
Cleanroom Systems
This integrated approach helps customers simplify project coordination, improve construction efficiency, and achieve better overall building performance.
Compared with traditional steel structure suppliers who only provide steel frames, Glostar delivers a complete building system solution from structure to enclosure.
SOLUTIONS FOR DIFFERENT INDUSTRIES
BUILDING ENVELOPE PROJECTS
Industrial Factory Buildings
Manufacturing facilities require durable and energy-efficient building systems.
Warehouses and Logistics Centers
Modern warehouses require large spaces with efficient environmental control.
Pharmaceutical and Cleanroom Facilities
Glostar combines building envelope solutions with cleanroom systems
Food Processing Facilities
Our metal insulated building systems support food processing and cold-chain applications.
Commercial Buildings
Modern commercial projects require both performance and appearance.
CONTROLLED FROM DRAWING TO DISPATCH
MANUFACTURING PROCESS
From raw materials selection to automatic packaging, every production step is strictly controlled to ensure high-quality insulated wall panels with excellent thermal insulation, fire resistance, and durability.
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Raw Materials
High-quality steel coils and insulation materials are carefully selected and inspected to ensure stable product performance.
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Steel Coil Uncoiling
Steel coils are automatically unrolled to provide continuous and flat metal sheets for further processing.
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Laminated steel sheet
A protective film is applied to prevent surface scratches and maintain the panel appearance.
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Plasma Tension Treatment
The steel surface is treated to improve adhesion and ensure stronger bonding performance.
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Rock Wool Cutting
Rock wool cores are precisely cut to achieve accurate dimensions and consistent quality.
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Hinged cloth-cotton pad
Rock wool fibers are automatically arranged to improve insulation and structural stability.
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Automatic rock wool conveying
The rock wool core is automatically transported into the production line for efficient processing.
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Targeted Glue Spraying
Adhesive is evenly sprayed to ensure strong bonding between the metal sheets and insulation core.
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High-temperature dual-track lamination
Sandwich panels are continuously laminated under high temperature and pressure to form a stable structure.
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Finished product cutting
Sandwich panels are accurately cut according to required dimensions for easy installation.
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Finished product palletizing
Finished panels are automatically stacked to ensure neat storage and convenient handling.
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Automatic packaging
Sandwich panels are professionally packaged to provide protection during transportation and delivery.
QUALITY ASSURANCE
EVERY COMPONENT.
EVERY STEP.
Quality is integrated throughout the entire manufacturing process.
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Raw material
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Procedure Inspection
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Dimensions
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Surface treatment
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Final inspection
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Delivery readiness
COMPETITIVENESS
Glostar Core Competitiveness
Manufacturing Excellence
- The entire product range is manufactured on internationally advanced continuous production lines.
- Coupled with a rigorous quality control system, it ensures that the board's strength, stability, and durability meet industry-leading standards.
- Digital management enables end-to-end traceability.
- Prefabricated installation technology reduces construction waste and improves delivery efficiency.
Technical Excellence
- In-house R&D covering material modification, structural optimization, and eco-friendly processes.
- Thermal insulation performance is significantly superior to that of traditional materials.
- Effectively reduce building energy consumption.
- Unlike traditional material suppliers, Glostar offers integrated construction solutions, enabling customers to obtain complete building systems from a reliable partner.
Service Excellence
- Providing comprehensive, end-to-end services ranging from conceptual design to technical consulting.
- Covers the entire project lifecycle
- Every project is unique. Glostar focuses on meeting engineering requirements rather than simply supplying standard products. Our team provides support services including system selection, performance optimization, custom design, and project coordination.
BUILT FOR SUSTAINABLE DEVELOPMENT
Green Development Achievements
Lightweight design
Reduce carbon emissions in the transportation sector.
Prefabrication and assembly technology
Reducing carbon emissions and construction waste during the construction phase
Photovoltaic Roof Conversion
The transformation of buildings from "energy consumers" to "energy producers."
BUILD FOR FUTURE
Future Development Plan
Glostar will continue to increase investment in R&D and deepen the integration of prefabricated construction with digital technologies. By driving the evolution of the POLYJOY brand—spanning technological depth, application scenarios, and global reach—the company aims to deliver highly efficient green solutions and share Chinese expertise with the global construction industry.
- Continue to increase investment in research and development.
- Deepen the integration of prefabricated construction and digital technologies.
- In-depth technological upgrading
- Expansion of application scenarios
- Upgrading the Global Footprint
FAQS OF BUILDING ENVELOPE SYSTEM
FAQ
A building envelope system is the external protective layer of a building that separates indoor and outdoor environments. It includes wall systems, roof systems, insulation layers, waterproofing components, and related accessories designed to improve building performance.
A complete building envelope system typically includes:
- Exterior wall systems
- Roofing systems
Thermal - insulation layers
- Waterproof systems
- Connection accessories
- Supporting components
Glostar provides integrated solutions combining these components according to project requirements.
A high-performance building envelope system provides:
- Better thermal insulation
- Improved energy efficiency
- Weather protection
- Faster construction
- Longer building service life
Common insulation materials include:PU (Polyurethane), PIR (Polyisocyanurate),Rock Wool, EPS,ect. The suitable material depends on project requirements such as insulation performance, fire resistance, and budget.
Yes.
Glostar provides customized solutions based on:
- Building size
- Climate conditions
- Architectural requirements
- Performance standards
- Application environment
Yes.
Sandwich panels are widely used in industrial buildings because they provide:
- Thermal insulation
- Lightweight construction
- Fast installation
- Cost efficiency
They are commonly applied in factories, warehouses, logistics centers, and commercial buildings.
Yes.
A complete industrial building solution often combines:
- Steel structure system
- Building envelope system
- Roof system
- Wall system
Glostar provides integrated solutions covering both structural and enclosure requirements.
Building envelope systems are widely used in:
- Manufacturing facilities
- Warehouses
- Pharmaceutical plants
- Food processing facilities
- Electronics factories
- Commercial buildings
Yes.
Glostar provides integrated building solutions including:
- Steel Structure Systems
- Building Envelope Systems
- Cleanroom Systems
- Metal Curtain Wall Systems
- Interior Fit-Out Systems
- Container House Systems
Build Better Buildings with Glostar Integrated Solutions
Whether you are a curtain wall contractor, a developer, or a general contractor, POLYJOY offers a one-stop building envelope system solution, covering everything from design to delivery.