IW PU edge-sealed tongue and groove composite panel deploys the excellent waterproof properties of polyurethane, and by working together with rock wool, the new product manages to avoid the drawbacks associated with traditional panels. These panels excel significantly in waterproofing, thermal insulation, sound absorption, and raw material utilization. They are suitable for interior wall partitions and suspended ceilings.
PU Edge Rock Wool Panel – A1 Fireproof & Waterproof Sealed Insulation
1-4 hour fire resistance · Waterproof EN 12865 · -30°C to +80°C · Save up to 10% energy cost · Free sample and factory direct price
A1 Fireproof – Safety FirstNon-combustible mineral wool core. No toxic smoke. 60+ min fire resistance at 80mm. Meets EN 13501-1.
Waterproof Sealed EdgePolyurethane edge seals against moisture. Passes EN 12865 water tightness. Ideal for cold storage and humid climates.
❄️ Cold Storage PerformancePrevents thermal bridging. Maintains -30°C to +80°C. Consistent temperature. No condensation.
⚡ Fast InstallationLightweight, hidden joint system. No additional sealant needed. 2 workers install 200+ m²/day.
What Is PU Edge Rock Wool Panel?
Our PU Edge Rock Wool Panel consists of two metal facings with a mineral wool core and polyurethane foam injected along the panel edges. This unique design creates a panel that is both fireproof (A1 rating) and waterproof — the best of both materials. For warehouse and factory construction, it provides structural integrity and energy efficiency. For cold storage applications, the sealed edge prevents condensation and thermal bridging, making it the versatile solution for diverse building requirements.
PU Edge Rock Wool PanelFireproof + Waterproof
A1 Fire RatingNon-combustible
PU Sealed InsulationMoisture barrier
Cold Storage Panel-30°C to +80°C
CE CertifiedQuality assured
Why Choose Our PU Edge Rock Wool Panel?
China Factory Direct – Save Cost No middlemen. Factory-direct pricing. Bulk discounts. Export to Nigeria, Kenya, Tanzania, Uganda, Ghana.
A1 Fireproof – Safe and Compliant Mineral wool core achieves A1 fire rating. 1-4 hours fire resistance. No toxic smoke. Meets EN 13501-1.
Waterproof Sealed Edge – No Moisture PU edge eliminates thermal bridging. Prevents condensation. Passes EN 12865 water tightness. Ideal for coastal areas.
Shipping: FOB China port — fast shipping to Nigeria, Kenya, Tanzania, Uganda, Ghana
60,000 m² smart factory6,000 m² daily output50+ countries servedISO 9001 and CECNAS Lab Tested
Frequently Asked Questions
Q: What is the advantage of the polyurethane edge?
A: The PU edge creates a complete moisture barrier, preventing water vapor from entering the rock wool core. It also eliminates thermal bridging at panel joints, making it ideal for cold storage.
Q: Can I get a sample before bulk order?
A: Yes, free sample is available for qualified projects. Try before you buy — reduce procurement risk.
Q: Is this panel suitable for cold storage?
A: Yes. The PU Edge Rock Wool Panel maintains consistent temperature from -30°C to +80°C. The sealed edge prevents condensation and thermal bridging.
Q: How fast can I get panels delivered to Africa?
A: We ship to Nigeria, Kenya, Tanzania, Uganda, Ghana with 15-20 days lead time after deposit. Fast shipping available.
Get Your PU Edge Rock Wool Panel Quote Today
Free sample · Factory direct price · Fast shipping to Africa · 24/7 support
Glostar New Materials Group Co., Ltd. – China Factory Direct
For warehouse and factory construction, the PU Edge Rock Wool Panel provides structural integrity and energy efficiency. For cold storage applications, the sealed edge prevents condensation and thermal bridging. Our PU Edge Rock Wool Panel is the versatile solution for diverse building requirements.
What Is PU Edge Rock Wool Panel
The PU Edge Rock Wool Panel consists of two metal facings with a mineral wool core. The unique feature is the polyurethane foam injected along the panel edges. This creates a PU Edge Rock Wool Panel that is both fireproof and waterproof.
The rock wool core provides A1 fire rating and sound absorption. The polyurethane edge seals the panel against moisture penetration. When you choose our PU Edge Rock Wool Panel, you get the best of both materials.
PU Sealed Insulation Panel for Steel Buildings
As a PU Sealed Insulation Panel, our product excels in steel structure buildings. Factories, warehouses, and workshops benefit from the thermal efficiency. The PU Sealed Insulation Panel reduces heat transfer through the roof and walls.
Summer heat stays outside. Winter warmth stays inside. A PU Sealed Insulation Panel can lower your HVAC costs by up to 10%. For large steel buildings, this saving is substantial. Our PU Sealed Insulation Panel also provides structural stength. The panel can span longer distances between purlins, reducing substructure costs.
Polyurethane Edge Rock Wool Panel for Cold Storage
The Polyurethane Edge Rock Wool Panel is ideal for cold storage and refrigerated warehouses. The polyurethane edge eliminates thermal bridging at the panel joints. A Polyurethane Edge Rock Wool Panel maintains consistent temperature from -30°C to +80°C.
Moisture is the enemy of cold storage insulation. Our Polyurethane Edge Rock Wool Panel prevents water vapor from entering the core. The sealed edge keeps the rock wool dry. A dry Polyurethane Edge Rock Wool Panel retains its full insulation performance for over 30 years.
Waterproof Rock Wool Sandwich Panel Performance
The Waterproof Rock Wool Sandwich Panel solves a common problem. Traditional rock wool panels absorb moisture and lose insulation value. Our Waterproof Rock Wool Sandwich Panel stays dry.
The polyurethane edge creates a complete moisture barrier. This Waterproof Rock Wool Sandwich Panel passes the EN 12865 water tightness test. Rain, humidity, and condensation cannot penetrate a Waterproof Rock Wool Sandwich Panel. The core remains dry and effective.
For coastal areas or high-humidity environments, the Waterproof Rock Wool Sandwich Panel is the reliable choice.
PU Edge Mineral Wool Panel Fire Safety
The PU Edge Mineral Wool Panel uses mineral wool as the core material. Mineral wool is non-combustible. Our PU Edge Mineral Wool Panel achieves A1 fire rating under EN 13501-1.
When exposed to fire, the PU Edge Mineral Wool Panel does not burn. It produces no toxic smoke. It prevents flame spread. A PU Edge Mineral Wool Panel with 80mm thickness provides over 60 minutes of fire resistance.
For buildings with strict fire safety requirements, the PU Edge Mineral Wool Panel is the preferred solution.
Cold Storage Rock Wool Panel Thermal Performance
The Cold Storage Rock Wool Panel is engineered for low-temperature environments. The rock wool core has a thermal conductivity of ≤0.045W/(m·K). A Cold Storage Rock Wool Panel maintains temperature stability with minimal energy consumption.
The panel thickness ranges from 40mm to 150mm. For freezer applications, a 100mm Cold Storage Rock Wool Panel provides optimal insulation. For cooler rooms, 60mm to 80mm is sufficient. Our Cold Storage Rock Wool Panel is compatible with all types of refrigeration systems.
PU Sealed Rock Wool Panel Installation
The PU Sealed Rock Wool Panel is designed for fast installation. The panels are lightweight. The PU Sealed Rock Wool Panel can be cut on site using standard tools.
The hidden joint system creates a flush surface. Two workers can install over 200 square meters of PU Sealed Rock Wool Panel per day. The overlapping side joints require no additional sealant. This makes the PU Sealed Rock Wool Panel a labor-saving solution.
PU Foam Edge Rock Wool Panel Technical Specifications
The PU Foam Edge Rock Wool Panel is available in multiple specifications. The polyurethane foam edge has a density of 45kg/m³. The PU Foam Edge Rock Wool Panel uses closed-cell foam that resists moisture absorption.
Parameter
Value
Panel thickness
40mm, 50mm, 60mm, 75mm, 80mm, 100mm, 120mm, 150mm
Effective width
1000mm
Length
2m to 12m (customizable)
Steel thickness
0.4mm to 0.6mm
Steel coating
PE, PVDF, HDP
Rock wool density
100kg/m³ to 150kg/m³
PU foam edge density
45kg/m³
Thermal conductivity
≤0.045W/(m·K)
Fire rating
A1 (non-combustible)
Fire resistance
≥60 min (80mm thickness)
Water tightness
EN 12865 passed
Advantages of PU Edge Rock Wool Panel
Waterproof sealed edge – The polyurethane edge prevents moisture penetration, making the PU Edge Rock Wool Panel suitable for humid environments.
A1 fire rating – The mineral wool core is non-combustible. The PU Edge Rock Wool Panel provides maximum fire safety.
High thermal insulation – Low thermal conductivity reduces energy costs for both steel buildings and cold storage.
Structural strength – The PU Edge Rock Wool Panel can bear up to 150kg per square meter.
Fast installation – Lightweight design and hidden joint system reduce labor time.
CE certified – Our PU Edge Rock Wool Panel meets European quality standards.
Applications
Application
Why Choose PU Edge Rock Wool Panel
Steel structure factories
Thermal insulation, structural strength, fire safety
Warehouses
Energy saving, cost effective, fast installation
Cold storage rooms
Waterproof sealed edge prevents moisture, maintains temperature
Refrigerated warehouses
No thermal bridging, consistent from -30°C to +80°C
Food processing plants
Hygienic surface, easy to clean, moisture resistant
Agricultural buildings
Durable, weather resistant, affordable
Why Choose Our PU Edge Rock Wool Panel
Factory direct pricing with bulk discounts
CE certified and ISO 9001 compliant
15-20 days production lead time
Export to Nigeria, Kenya, Tanzania, Uganda, Ghana
Technical support for installation
Order Information
Minimum order: 500 square meters
Lead time: 15-20 days after deposit
Payment: T/T or L/C
Packaging: Wooden pallets with shrink wrap
Shipping: FOB China port
Glostar New Materials Group Co., Ltd. is a leading manufacturer of Sandwich Roof Panel, Rock Wool Roof Panel, PU edge Rock Wool Panel, SolarMetal RoofPVR1000 systemsand Sandwich Panel. With two smart manufacturing bases in Shandong and Anhui, covering over 60,000 m², we achieve a daily output of 6,000 m² for sandwich panels and 3,000 m² for metal roof systems. All products are CE certified and exported to over 50 countries. Our PU edge Rock Wool Panel combines the fire resistance of rock wool (Class A) with the thermal efficiency of polyurethane edge sealing, achieving U-values as low as 0.27 W/m²k. The hidden joint design ensures excellent airtightness and waterproofing, making it ideal for cold storage, food processing, and temperature-controlled facilities. Contact us for your PU edge Rock Wool Panel project: www.glostar.net | fmx@glostar.cn
Technical Specifications
Fire Resistance & Thermal Insulation
Provides high-efficiency thermal insulation utilizing non-combustible or flame-retardant core materials to meet fire safety requirements. The interlocking joint system and detailed node design effectively prevent thermal bridging.
Structural Integrity & Durability
PU side sealing enhances overall panel strength, facilitates installation, and provides improved resistance to moisture.
Aesthetic Appeal & Dimensionality
Concealed fastener connections combined with a diverse color range give buildings an attractive and visually striking appearance.
Material Characteristics Table IW PU edge-sealed tongue and groove composite panel
Size (mm)
Standard size:1000
Optional width:500-1200
length:<15000
Standard thickness:50,75,100,150,200,250
Surface pattern
Mirror surface
Ripple-like corrugation
Engrossed
Mini corrugation
Skin thickness (mm)
Front steel sheet:0.5-0.8
Back steel sheet:0.4-0.6
Front aluminum sheet:0.7-1.0
Back aluminum sheet:0.4-0.7
Joint width (mm)
0,10,15,20,25,40
Core material type
PU and glass wool
PU and rock wool
Core material density (Kg/m3)
Glass wool:64
Rockwool:120-140
Flammability
Class A
Table of Load without extra support and thermal performance specifics for IW PU edge-sealed tongue and groove composite panel
Core material
Thickness
Type of support
Load/rafter spacing
Panel weight
Thermal conductivity
0.5
1.0
1.5
2.0
2.5
3.0
Rock wool
50
Single-span /multi-span
5652
4217
3490
3018
2674
2408
15.88
0.76
75
7470
5605
4662
4050
3604
3259
18.72
0.53
100
9079
6827
5689
4951
4414
3996
21.56
0.40
150
11882
8927
7434
6465
5759
5212
27.24
0.27
Glass wool
50
Single-span /multi-span
5543
4082
3340
2857
2507
2237
13.32
0.74
75
7339
5442
4480
3854
3399
3048
14.88
0.52
100
8925
6635
5475
4720
4172
3747
16.44
0.39
150
11677
8673
7150
6159
5439
4882
19.55
0.27
Note: Calculations in the table are based on the following assumptions: rock wool of a density of 120Kg/m3, glass wool of a density of 64kg/m3, thickness of front sheet 0.6mm, thickness of the back sheet 0.5mm, deflection span ratio L/100.
IW PU edge-sealed tongue and groove composite panel deploys the excellent waterproof properties of polyurethane, and by working together with rock wool, the new product manages to avoid the drawbacks associated with traditional panels. These panels excel significantly in waterproofing, thermal insulation, sound absorption, and raw material utilization. They are suitable for interior wall partitions and suspended ceilings.
The Glostar Rockwool Sandwich Panel is a high-performance, factory-prefabricated insulated panel engineered for building wall and roof applications requiring superior fire protection, thermal insulation, and structural strength. Featuring a high-density rockwool core (120-140kg/m³) , the panel delivers Class A fire resistance (non-combustible, GB8624 A1 grade), exceptional thermal insulation with thermal conductivity as low as 0.27 W/m²·k, and excellent acoustic absorption.
The panel construction comprises a durable metal face sheet (steel or aluminum) bonded to a 100% rockwool-filled core using high-strength adhesive. Available in standard thicknesses from 50mm to 250mm, widths from 500mm to 1200mm, and lengths up to 15,000mm, the system supports multiple surface patterns including mirror, corrugated, and mini-corrugated finishes. Unique design features—including reinforced fixing points, spaced back beams, and interlocking joints—ensure structural stability, easy installation, and long-term durability.
Fully compliant with GB/T 23932-2009 standards, the Glostar Rockwool Sandwich Panel is the ideal solution for industrial buildings, commercial facilities, cold storage, and high-rise construction where fire safety, thermal efficiency, and cost-effectiveness are paramount. Factory direct supply. Free sample available. 24/7 technical support.
The Glostar Metal Integrated Insulation Curtain Wall System – Framed Series is a stick-built, high-performance facade solution featuring a site-assembled aluminum or steel frame structure with factory-prefabricated insulated sandwich panels. As part of Glostar's integrated curtain wall family, the Framed Series combines the structural flexibility of traditional framed systems with the thermal performance, fire safety, and aesthetic quality of the MIICW panel system.
The system comprises vertical mullions and horizontal transoms installed on-site to form a grid framework, onto which the A1 fire rated rock wool core sandwich panels are securely fixed and sealed. The thermally broken aluminum frame profiles prevent thermal bridging, while the panels deliver thermal conductivity as low as 0.34 W/m²·k, Grade 9 wind load resistance, and surface flatness within ≤0.5mm/m. The panel exterior face features PVDF, HDP, PE, or SMP coatings for long-term weather resistance and color stability.
The Framed Series offers exceptional design flexibility—supporting large panel dimensions up to 2,000mm x 8,000mm, custom RAL colors, diverse surface textures, and integration with glazing systems for hybrid metal-and-glass facades. It is fully compliant with GB/T 23932-2009, JG/T 453-2019, and JGJ 133-2001 standards. Factory direct panel supply. Free design support. 24/7 global assistance.
NS Standardized Metal Insulation Curtain Wall System, Standardized Metal Curtain Wall, Insulated Metal Facade System, Thermal Break Curtain Wall, A2 Fire Rated Cladding, High-end Metal Building Envelope, Glostar
Starting from anti-corrosion aluminum honeycomb core and high-strength aluminum sheets, ELKOM honeycomb metal curtain wall is made under high temperature and pressure with specialized adhesives. This composite panel is lightweight, strong, and has a perfectly smooth surface. Moreover, its seam width, materials, and colors also come with various options, enabling the display of diverse wall surface effects. Honeycomb panel technology, which was widely applied in the aerospace industry, has been adopted in the construction sector for its unique functionality and aesthetics.
The Glostar Metal Integrated Insulation Curtain Wall System – FP is a factory-prefabricated sandwich panel solution engineered for high-rise buildings, healthcare facilities, pharmaceutical campuses, and public infrastructure projects. As a leading manufacturer, Glostar integrates structural support, thermal insulation, and aesthetic finishing into a single composite panel with a three-layer construction: PVDF or LUXACOTE coated aluminum face sheets, a high-density hydrophobic rock wool core, and a protective metal back sheet.
The rock wool core delivers Class A surface fire resistance (GB8624 A2 non-combustible) and fire resistance up to 60 minutes at 80mm thickness. The thermally broken aluminum frame design minimizes heat conduction, achieving thermal conductivity as low as 0.34 W/m²·k and supporting 75% building energy conservation standards. Independent testing confirms Grade 9 wind load resistance (GB/T 15227) and surface flatness within ≤0.5mm/m—eliminating the deformation issues common in single-layer aluminum veneer systems.
Available in thicknesses from 50mm to 120mm, with RAL Classic color options and PVDF/POLYESTER/LUXACOTE coatings, the FP system employs a socket-and-plug interlocking assembly that reduces on-site installation time by up to 60%. It meets GB/T 23932-2009, JG/T 453-2019, and JGJ 133-2001 standards, with E1 formaldehyde emission compliance for indoor applications. Factory direct pricing. Free design support. 24/7 global technical assistance.
The HP Metal Curtain Wall System is a premium insulated sandwich panel solution engineered for high-rise buildings, industrial facilities, and public infrastructure. Featuring a non-combustible rock wool core (A1 fire rated up to 4 hours) and PVDF-coated aluminum face sheets, this prefab curtain wall system delivers exceptional thermal insulation (U-value as low as 0.32 W/m²·k), superior wind load resistance (Grade 9), and outstanding structural rigidity with surface flatness ≤0.5mm/m.
As a factory-direct metal cladding manufacturer, we provide complete turnkey solutions from design to installation. Our interlocking panel system enables rapid on-site assembly, reducing construction time by up to 30% compared to traditional aluminum veneer systems. Available in 50-120mm thicknesses, custom RAL colors, and multiple coating finishes (PVDF/LUXACOTE/POLYESTER), the HP system meets GB/T 23932-2009 and JGJ 133-2001 standards. Free samples available. 24/7 global technical support.
The Glostar Metal Integrated Insulation Curtain Wall System – Modular Series is a factory-prefabricated, high-performance sandwich panel solution engineered for fast-track construction projects. As part of Glostar's integrated curtain wall family, the Modular Series combines the core advantages of the MIICW system—Class A surface fire resistance (GB8624 A2 non-combustible), high-density hydrophobic rock wool core, and thermally broken aluminum frames—with the construction efficiency of modular, pre-engineered panel units.
The system features a three-layer composite construction: PVDF, HDP, PE, or SMP coated aluminum face sheets, a rock wool insulation core, and a protective metal back sheet, all factory-bonded using two-component polyurethane adhesive. The system achieves thermal conductivity as low as 0.34 W/m²·k, Grade 9 wind load resistance per GB/T 15227, surface flatness within ≤0.5mm/m, and 30+ year durability. The socket-and-plug interlocking assembly enables rapid on-site installation, reducing construction time by up to 60% compared to traditional aluminum veneer systems.
Available in thicknesses from 50mm to 120mm, with RAL Classic color options and PVDF/HDP/PE/SMP coating selections. Fully compliant with GB/T 23932-2009, JG/T 453-2019, and JGJ 133-2001 standards, with E1 formaldehyde emission compliance. Factory direct pricing. Free design support. 24/7 global assistance.
The Glostar Metal Integrated Insulation Curtain Wall System – VF (Ventilation Function) is a factory-prefabricated, naturally ventilated facade solution that integrates operable opening vents into high-performance insulated metal sandwich panels. Engineered for high-rise office buildings, commercial towers, and public facilities, the VF system combines the core advantages of the Metal Integrated Insulation Curtain Wall series—Class A surface fire resistance (GB8624 A2 non-combustible), rock wool core insulation (U-value as low as 0.34 W/m²·k), and Grade 9 wind load resistance—with a built-in natural ventilation function that improves indoor air quality and reduces mechanical ventilation energy costs.
The system features a distinctive recessed unit design with solid opening vents positioned on the inner face, while ventilation louvers are integrated into the exterior projection—achieving a seamless architectural appearance without compromising facade aesthetics. The thermally broken aluminum frame, multi-seal rubber gaskets, and dense rock wool filling ensure excellent air tightness, water tightness, and acoustic insulation. Available in customized sizes, RAL Classic colors, and multiple coating options (PVDF/LUXACOTE/POLYESTER), the VF system supports three natural ventilation principles: single-sided ventilation, cross ventilation, and stack ventilation.
As a factory-direct prefabricated system, it reduces on-site installation time by up to 60% compared to traditional aluminum veneer + frame-assembled operable vents. Factory direct pricing. Free design support. 24/7 global technical assistance.
steel, stainless steel, or aluminum) bonded to insulation cores such as rock wool, glass-magnesium rock wool, gypsum rock wool, aluminum honeycomb, or magnesium oxysulfate through continuous lamination or hot-press molding. Prefab clean rooms offer excellent airtightness, fire resistance (A-class), corrosion resistance, easy cleaning, and modular flexibility. Common product types include hand-fabricated clean room panels (featuring tongue-and-groove or box-rib connections for high structural integrity), machine-formed clean room panels (cost-effective solutions for standard applications), and demountable wall panel systems (allowing quick reconfiguration). Read More
Sandwich panel rockwool (also known as IW rock wool sandwich panels, PU edge-sealed rock wool panels, or rock wool roof panels) are high-performance composite building components consisting of two metal face sheets (color coated steel, aluminum‑magnesium‑manganese alloy, or stainless steel) bonded to a rock wool insulation core through a continuous lamination or hot‑press molding process. These panels offer excellent fire resistance (A‑class), thermal insulation, soundproofing, high surface flatness, and easy installation. Read More
Clean room panels (also known as hand-fabricated clean room panels, machine-formed clean room panels, or rock wool clean room panels) are specialized composite building components designed for controlled environments requiring strict particle control, hygiene, and environmental stability. These panels consist of metal face sheets (color coated steel, stainless steel, or aluminum) bonded to an insulation core such as rock wool, glass-magnesium rock wool, gypsum rock wool, aluminum honeycomb, or magnesium oxysulfate through a continuous lamination or hot-press molding process. Read More
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