Painel sanduíche de Rockwool for Insulated Wall and Roof Systems
Glostar manufactures rockwool sandwich panel systems for industrial factories, warehouses, logistics facilities, commercial buildings and other projects where fire performance, thermal insulation, acoustic control and installation efficiency are important. Each sandwich panel combines metal facings with a mineral wool insulation core to form a prefabricated building-envelope component. Wall and roof configurations can be adapted to project drawings, local climate, structural requirements and architectural design.
- Faster wall and roof enclosure
- Custom steel-sheet thickness, coating and color
- Technical support for selection and installation details
Glostar Rockwool Insulated Panel Solutions for Project Construction
Glostar manufacturer’s metal insulated rockwool sandwich panel is a prefabricated composite panel made with two metal facings bonded to a rock wool core. The layered construction combines enclosure, insulation and surface finish in one factory-produced component, helping contractors reduce wet work and simplify on-site installation.
Compared with a conventional multi-layer wall assembled entirely on site, the rockwool insulated panel can reduce the number of separate construction procedures. The final panel specification, however, must still be selected according to the building application, fire strategy, thermal target, wind load, span, support spacing and local code requirements.
Rockwool Sandwich Panel Types We Manufacture
Rockwool Sandwich Panel for Wall
Exterior and interior cladding rockwool wall panel with A1 fire rating, ideal for steel-structure factories and warehouses.
Rockwool Sandwich Panel for Roof
Corrugated or ribbed profile rockwool roof panel built for large-span roofing with reliable weatherproofing.
Rockwool Cleanroom Panel
Smooth, easy-to-clean surface finish designed for pharmaceutical and electronics cleanroom walls panels.
Acoustic Rockwool Sandwich Panel
The Acoustic Rockwool Sandwich Panel is a perforated steel sound-absorbing panel suitable for churches, recording studios, cinemas, and karaoke venues.
Fireproof rockwool Sandwich panel
The Fireproof rockwool sandwich Panels are suitable for partition walls in high-risk industrial areas, offering a fire resistance rating of up to 4 hours.
Rockwool Facade Panel
The rock wool Facade panel system utilizes concealed fasteners, combining Class A1 fire resistance with a clean, aesthetically pleasing architectural appearance.
Your Trusted Rockwool Sandwich Panels Manufacturer
Are you looking for non-combustible sandwich panels for a new construction project? Whether for wall or roofing applications, Glostar’s rockwool sandwich panels are the ideal choice. Our sandwich panels are widely used in diverse settings, including cleanrooms, industrial workshops, logistics and warehousing centers, and commercial complexes.
Glostar rockwool sandwich panels boast the highest fire-resistance rating (Class A1) and offer exceptional thermal insulation performance, ensuring a stable and comfortable indoor temperature year-round.
Designed with a tongue-and-groove joint system, our panels significantly enhance on-site installation efficiency. Each panel package comes with a complete set of installation accessories—such as aluminum edge trims, connecting bolts, sealing strips, and suspension systems—helping clients save time and reduce overall costs on large-scale projects.
Custom Rockwool Panels to Boost Business Expansion
Glostar’s 50mm fire rated rockwool sandwich wall panel is a self-supporting composite wall system built from two pre-coated steel facings and a Class A1 non-combustible rock wool insulation core. It is a common warehouse wall panel thickness choice for logistics parks, distribution centers, workshops, and cold-adjacent industrial buildings that need a balance of fire protection, thermal performance, and fast steel structure installation.
Fire Rated Rock Wool Sandwich Panel with PU Side Sealing is an insulated metal wall panel designed for industrial and commercial buildings where fire safety, thermal insulation, airtightness and fast installation are important.
The panel combines a high-density rock wool insulation core with PU side sealing and color-coated steel facings. The rock wool core provides excellent fire resistance, acoustic performance and dimensional stability, while the PU-sealed edges improve the insulation performance around panel joints and help reduce thermal bridging.
Thermal Insulated Rock Wool Sandwich Panel for Factories
A protective film is applied to the coated steel sheet to prevent scratches, stains, and surface damage during panel forming, lamination, transportation, and installation. It helps maintain the sandwich panel’s clean appearance and coating quality.
Acoustic Rock Wool Sandwich Wall Panel for Church
Insulated Metal Rock Wool Sandwich Panel for Cold Storage
“Four-Blade Cotton Cutting” is a proprietary, patented foam/insulation cutting technology developed by Glostar, primarily used for the rock wool cutting stage in sandwich panel production. This technology is a key process for enhancing both production efficiency and the quality of the finished sandwich panels.
Features of Glostar Rockwool Sandwich Panels
Isolamento térmico
Rock wool sandwich panels provide excellent thermal insulation, helping reduce heat transfer and improve indoor energy efficiency.
Fire-Resistant
The fire-resistant rock wool core provides excellent fire protection, making rock wool sandwich panels suitable for buildings with high fire safety requirements.
Strong & Durable
Rock wool sandwich panels feature a rigid structure that provides reliable strength, weather resistance, and long-term durability for demanding applications.
Instalação rápida
Lightweight rock wool sandwich panels are designed for efficient installation, helping reduce construction time, labor costs, and overall project expenses.
What's Good in Our Rockwool Sandwich Panels?
Glostar rockwool sandwich panels combine an A1 non-combustible core with a stable thermal insulation performance, keeping interiors safe and energy-efficient in demanding environments like factories, warehouses, and cleanrooms. The dense, fibrous rockwool structure also delivers strong sound absorption, especially in our perforated-face acoustic panels, making them a reliable choice wherever noise control matters. Precision-machined tongue-and-groove joints create a tight mechanical seal that reduces cold bridging and speeds up on-site installation, while the high-density core (80–150 kg/m³) keeps panels rigid and sag-free even across long spans. Corrosion-resistant PPGI, PPGL, or stainless steel facings, available in any RAL color, protect the core and extend service life in humid or coastal climates. Every order ships with a matching set of aluminum trims, fixing bolts, sealant, and ceiling hardware, and is backed by mill test certificates and fire-rating documentation — so what’s specified is exactly what arrives on site.
With Certifications to Prove It, Our Quality Is Guaranteed
Glostar rockwool sandwich panel is backed by internationally recognized certifications — ISO 9001, SGS, SIRIM, and CE — along with CNAS-accredited lab testing and over 100 registered patents. These aren’t just logos on a page; each certification represents an independent verification of our fire-rating claims, material composition, and manufacturing consistency.
We operate 15 fully automated sandwich panel production lines across two smart manufacturing bases in Shandong and Anhui, China, spanning 190,000 square meters with an annual output exceeding 20 million square meters. This scale is why global brands like Foxconn, BYD, LG, Volkswagen, Sinopharm, and Tsingtao Brewery trust Glostar for their panel supply.
Whatever core material your project calls for — rock wool, PIR, PU, or EPS — Glostar can certify it, test it, and deliver it on schedule. Get a quote for your rockwool sandwich panel order today.
Glostar Sandwich Panel Project Experience
A Glostar fornece sistemas de revestimento metálico e painéis sanduíche para projetos de construção industrial, comercial e especializada.
Qingdao Virtual Reality Industrial Park
The Qingdao Virtual Reality Industrial Park project selected POLYJOY’s metal envelope system(rockwool sandwich panels), utilizing 35,000 square meters of metal insulated sandwich wall panels.
Projeto KKpark da Foxconn na Índia
For the Foxconn KKpark project in Hyderabad, India, Glostar supplied a total of 90,954 m² of metal insulated sandwich panels, marking one of the largest single-project panel supplies in our South Asian portfolio.
Xi'an Ice and Snow Center Projects
Glostar supplied 10,000 square meters of high-performance thermal insulation sandwich panels for the Xi’an Ice and Snow Center projects, ensuring superior thermal insulation, moisture resistance, and structural stability while maintaining a clean, modern architectural aesthetic.
Kunshan Low-Carbon Industrial Park project
The Kunshan Low-Carbon Industrial Park project utilized the ELKOM integrated metal insulated curtain wall system, covering a total area of 3,000 m². The project exemplifies the integration of modern architectural aesthetics, high-performance building envelope solutions, and energy-efficient design.
Tell Us About Your Building Panels Project?
Send us your project requirements and our team will help you evaluate the appropriate sandwich panel type, insulation core, thickness, surface material and system configuration.
Mais informações sobre a nossa empresa
| Parameter | Description |
| Core Density | 80–150 kg/m³ mineral wool, selectable by fire-resistance and acoustic requirement. |
| Panel Thickness | 50mm, 75mm, 100mm, 120mm, 150mm and 200mm core options. |
| Classificação de resistência ao fogo | A1 non-combustible, up to 4 hours fire resistance on partition-grade panels. |
| Steel Facing | PPGI, PPGL, or stainless steel, 0.4–0.8mm, any RAL color. |
| Panel Length | Up to 4m standard, custom lengths available on request. |
| Joint System | Features such as four-sided tongue-and-groove joints, “beak-style” (hook-and-groove) interlocking profiles, and polyurethane edge sealing are employed to achieve benefits including concealed fasteners, waterproofing, and wind-uplift resistance. |
What Our Customers Say
Rockwool Sandwich Panel: The Complete Guide
Glostar Rock Wool Sandwich Panels are designed to provide reliable thermal insulation, fire resistance, and acoustic performance for a wide range of building applications. Acoustic rock wool panels with perforated steel facings are available for offices, cinemas, KTVs, workshops, and other spaces where effective sound control is required.
For projects with higher fire protection requirements, rock wool sandwich panels can be customized with additional fire-resistant layers, helping enhance the overall fire performance of the wall or roof system.
Flexible Steel Facings & Colors
Glostar rock wool sandwich panels can be manufactured with PPGI, PPGL, galvanized steel, or stainless steel facings, with a wide selection of RAL colors available. Different surface finishes and color options can also be customized according to your architectural design and project requirements.
For specific applications, we can provide decorative finishes such as wood grain, marble patterns, and other customized designs, helping combine functional performance with architectural appearance.
Customized Panel Dimensions
Our rock wool sandwich panels are available in different widths and lengths to meet various installation requirements. Panel thickness can also be customized according to the required thermal insulation, fire resistance, and structural performance.
With high-density rock wool cores, the panels provide excellent stability and durability. For easier transportation and installation, we can also recommend suitable panel lengths based on your project and handling conditions.
Wall & Roof Applications
Glostar Rock Wool Sandwich Panels are suitable for both wall and roof applications in industrial, commercial, and agricultural buildings. Roof panels can feature a profiled surface and practical overlap joints to improve drainage and provide better protection against rainwater.
Whether you need fire-rated wall panels, insulated roof panels, or acoustic sandwich panels, Glostar can provide customized solutions based on your building requirements.
Reliable Packaging & Delivery
To help protect the panels during transportation, Glostar uses suitable packaging solutions such as steel or wooden pallets, protective foam, and PVC film. Packaging can be adjusted according to the transportation method and project requirements.
From panel specifications and steel facings to colors, core density, and packaging, Glostar provides customized rock wool sandwich panel solutions for different building projects.
Contact Glostar today to discuss your rock wool sandwich panel requirements.
Choosing the right insulated panel for a construction project can be confusing when there are so many core materials on the market. This guide walks you through what rock wool sandwich panels are, how they’re made, and where they perform best — so you can decide with confidence whether rock wool is the right fit for your wall, roof, or cleanroom project.
What Is Rock Wool Sandwich Panel?
A rock wool panel is a sandwich-structure insulated panel made from two steel (or aluminum) facings bonded to a core of spun basalt fiber — commonly known as rock wool or mineral wool. The core is compressed to a controlled density, giving the panel structural rigidity while delivering excellent fire resistance, thermal insulation, and sound absorption in a single, factory-finished product.
What's the Advantage of Rock Wool Sandwich Panel?
Impressive Fire Resistance
Rock wool is classified A1 non-combustible, the highest fire rating available for building materials. It withstands temperatures above 1000°C without releasing toxic smoke, making it the preferred core material for fire-rated walls and partitions.
Isolamento térmico
The fibrous structure of rock wool traps air, giving it a low thermal conductivity that keeps interior temperatures stable and reduces energy costs for heating and cooling.
Sound Absorption and Sound Insulation
The dense, fibrous core absorbs airborne sound rather than simply blocking it, which is why rock wool panels — especially perforated versions — are widely specified for acoustic-sensitive spaces.
Rigidity
Compared to lighter insulation cores, rock wool panels offer higher compressive strength, so they hold their shape under structural load and resist sagging over time.
Better Tongue and Groove Connection
The tongue-and-groove profile on panel edges creates a tight mechanical and thermal seal between panels, reducing cold bridging and air leakage at the joints.
Convenient Installation
Panels arrive pre-cut to length with edge profiles ready to install, cutting labor time significantly compared to on-site insulation and cladding installation.
Anti-scratch Protection
Factory-applied protective film on the steel facing prevents surface scratches during transport and installation, and is peeled off once the panel is in place.
Mildew Resistance
Rock wool doesn’t retain moisture the way organic insulation materials can, which limits the conditions mold and mildew need to grow.
Which Type of Insulation to Choose?
The right core material depends on your project’s priorities:
- Rock wool — best for fire safety and sound control
- PIR/PU — best for thermal efficiency per millimeter of thickness
- EPS — best for budget-driven, non-fire-critical applications
If fire rating or noise control is a project requirement, rock wool is generally the safer default.
How Do You Make Rock Wool Panel?
- 1. Attach Protective Film — A protective film is applied to the steel coil before forming to prevent surface scratches during production.
Steel Coil Pretreating — The steel coil is uncoiled, leveled, and roll-formed to the target profile.
- 1. Attach Protective Film — A protective film is applied to the steel coil before forming to prevent surface scratches during production.
- 2. Rock Wool Cutting — Rock wool slabs are cut to the panel’s target width and thickness.
- 3. Rock Wool Misaligned Grooving — The core is grooved and staggered so the joints between wool blocks don’t align with panel seams, strengthening the finished panel.
- 4. Glue Spray — Adhesive is applied evenly across the steel facing and core surfaces.
- 5. Double Crack Curling Machine — The top and bottom facings are bonded to the core under pressure, and the tongue-and-groove edge profile is formed.
- 6. Cutting and Packing — Panels are cut to final length, inspected, and packed for shipment.
Which Sandwich Panel Is Better, Rockwool or Glass Wool?
Resistência ao fogo — Rock wool sandwich panel has a higher melting point and better fire performance
Acoustic performance — Rock wool’s higher density generally gives better sound absorption
Compressive strength — Rock wool sandwich panel is denser and more rigid
Price — Glass wool sandwich panel is typically lower cost
High-temperature use — Rock wool sandwich panel tolerates higher service temperatures
For fire-rated or high-performance building applications, rock wool sandwich panel is generally the stronger choice.
Rock Wool Sandwich Panel Packages to Match Your Procurement Scope
Different projects require different levels of Glostar supplier involvement. Define the scope before comparing prices.
Sandwich Panel-Only Supply
Suitable when the contractor already has approved details, an experienced envelope team and a separate accessory supplier. The quotation should clearly identify the panel specification, quantity, packing and delivery terms.
Sandwich Panels with Matching Accessories
The mineral wool sandwich panel package may include compatible flashings, trims, closures, fasteners and sealants where agreed. Consolidating the scope can reduce the risk of missing components or buying incompatible accessories from several sources.
Drawing-Based Envelope Supply
For project-based procurement, Glostar can review available drawings and coordinate the panel type, lengths, profiles and key details according to the agreed service scope. This approach is intended to reduce quantity errors, interface conflicts and last-minute site decisions.
Scope confirmation required:Final accessory list, shop drawings, structural design responsibility, installation supervision and on-site services must be stated in the quotation or contract.
Where a Rock Wool Sandwich Panel Adds Project Value?
Fire-Conscious Building Envelopes
Rock wool is commonly selected where fire behavior is a major material-selection factor. Buyers sometimes search for a fireproof rock wool sandwich panel , but fireproof must not be treated as an unlimited claim. The required reaction-to-fire class or fire-resistance period must be matched with a valid test report for the offered product or assembly.
Project value: Better alignment with the fire strategy can reduce approval risk and avoid changing the envelope material after procurement has begun.
Temperature-Controlled Industrial Buildings
A mineral wool insulated panel reduces heat transfer through walls or roofs. Correct thickness and joint design can support the building’s thermal target and reduce avoidable heating or cooling loads.
Project value: The envelope is selected around operating conditions, helping the owner control long-term energy use while the contractor meets the project specification.
Noise-Sensitive Facilities
The fibrous mineral wool core can support acoustic-control requirements in factories, equipment rooms and buildings affected by operational noise. Tested system data should be used where a specific acoustic rating is required.
Project value:Acoustic performance is addressed within the envelope package instead of relying entirely on extra site-installed layers later.
Projects with Tight Construction Programs
Factory-produced panels, repeatable connections and drawing-based length planning can accelerate enclosure and help downstream trades start earlier.
Project value: Earlier weather enclosure can protect internal work and reduce the schedule exposure caused by unfinished walls or roofs.
What types of projects are Glostar's rock wool sandwich panels suitable for?
Factories and Manufacturing Plants
Fast enclosure helps contractors protect the structure and release internal work areas sooner. Wall and roof specifications can be coordinated with fire, thermal and acoustic requirements.
Armazéns e Centros Logísticos
Large repetitive elevations benefit from panel schedules, planned lengths and systematic installation. Procurement can also consolidate panels and matching accessories into a clearer supply package.
Power, Energy and Equipment Buildings
Rock wool systems are relevant where fire performance and equipment noise affect the envelope specification. Required test evidence must be confirmed before ordering.
Food and Pharmaceutical Support Buildings
Rock wool panels may be used for external envelopes and supporting spaces. Areas requiring hygienic cleanroom construction need a separate review of surface cleanability, airtight joints, penetrations and compatible doors and windows.
Commercial and Public Buildings
Surface profile, color and coating can be coordinated with the architectural design while the panel system supports thermal and fire requirements.
Prefabricated and Modular Buildings
Repeatable panel dimensions and dry installation suit projects that depend on fast assembly. Module interfaces, transport limits and installation order should be resolved before production.
How We Help Procurement Reduce Commercial Risk？
A Clear Bill of Supply
The quotation should separate panels, profiles, accessories, packing, freight and optional services. This helps procurement identify omissions before issuing a purchase order.
Specification Confirmation
Steel thickness, coating, core, density, panel thickness, dimensions and performance documents should be confirmed in writing. This prevents the delivered product from being judged against assumptions that were never included in the price.
Comparable Alternatives
When the original specification is incomplete or creates an unnecessary cost, Glostar can propose an alternative for review. Any value-engineering option must clearly show what changes and must not silently reduce required performance.
Delivery Coordination
Production and shipment should be linked to drawing approval, site readiness and installation sequence. Delivering panels too early can create storage and damage risk; delivering too late can stop the envelope crew.
Document Control
Approved drawings, specifications, packing lists, inspection records and test documents should refer to the same order and revision. This reduces confusion between the commercial, factory and site teams.
Combina revestimentos metálicos e isolamento num único componente fabricado em fábrica. Quando os comprimentos dos painéis, as juntas e os acessórios são planeados a partir dos desenhos, a equipa pode reduzir os trabalhos de isolamento separados, os cortes no local e as operações repetidas de acabamento. A velocidade real de instalação depende do projeto do edifício, da equipa, do acesso, do método de elevação e do planeamento do local.
Os comprimentos e configurações específicos do projeto podem ser analisados com base nos seus desenhos. Os limites finais de produção, a lista de painéis, a marcação, o âmbito dos desenhos e as tolerâncias devem ser confirmados antes da encomenda.
Estão incluídos os acabamentos, rufos, fechos, elementos de fixação e selantes compatíveis, de acordo com o sistema selecionado e o âmbito do orçamento acordado. Envie os desenhos relevantes para que os itens necessários possam ser identificados.
Os comprimentos dos painéis sanduíche Rockwool podem ser planeados em função das secções de parede, das zonas do telhado e das aberturas, reduzindo cortes desnecessários no local da obra. Um plano de quantidades e comprimentos confirmado também ajuda o departamento de compras a evitar que todos os painéis sejam encomendados com um comprimento genérico.
No. Longer panels can reduce end joints, but rock wool panels are comparatively heavy and long units may be harder to transport, lift and align. The most economical length balances joint reduction with safe handling, transport capacity and site productivity.
Thickness depends on the wall or roof application, thermal target, fire requirement, panel span, support spacing, climate and project specification. Send the required U-value or conductivity criteria, fire classification and structural information for review.
If you need an accurate quotation, please provide:
– Project country and building type
– Wall elevations, roof plans and sections
– Required panel area and installation zones
– Wall or roof application
– Panel thickness or thermal target
– Required fire and acoustic performance
– Inner and outer steel specifications
– Coating, color and profile
– Openings and important interface details
– Required accessories and technical services
– Destination port, Incoterms and schedule
Because the rockwool sandwich panels use different core density, steel thickness, coating, panel thickness, profiles, accessories, packing or delivery terms. Ask suppliers to itemize the same scope before comparing price.
Technical drawings, joint details and installation guidance can be provided according to the product system and agreed service scope. On-site supervision or installation services require separate confirmation.