Fuqiang three-wave corrugated roof panels combine a rock wool core with PU edge sealing for industrial roof systems that require coordinated insulation, joint protection and efficient installation. Project teams can specify thickness, steel gauge, coating, color and cut length. Final selection should be checked against fire requirements, design loads, support spacing, roof slope and exposure conditions. Send roof drawings, quantities, applicable standards, destination and schedule for technical review and pricing.
Fuqiang’s PU Edge-Sealed Rock Wool Three Wave Corrugated Roofing Panel is a composite insulated roofing system that combines a color-coated steel outer face, a rock wool mineral fiber insulation core with polyurethane edge sealing, and a structural three-wave corrugated profile. The polyurethane edge-sealing treatment encloses the rock wool core on all exposed edges, helping to improve moisture resistance, panel joint integrity, and long-term edge durability. With an effective coverage width of 1,000 mm and core thickness options from 50 mm to 150 mm, the panel is designed for efficient installation across medium and large roofing projects.
The rock wool core provides fire-retardant performance meeting GB8624 Grade B1 standard, along with thermal insulation and sound attenuation properties that help reduce heat transfer and dampen rain impact noise through the roof structure. The polyurethane edge seal helps protect the mineral fiber core from edge moisture exposure and supports a more consistent panel joint during installation. The thermal conductivity of the panel ranges from 0.035 to 0.041 W/m·K depending on core density and thickness selection.
The panel is suitable for industrial facilities, commercial warehouses, steel structure buildings, logistics centers, and prefabricated construction projects. Matching ridge caps, eave trims, flashings, gutters, and other roofing accessories are available for complete system procurement. Fuqiang accepts custom orders for panel thickness, length, color, and surface coating based on project drawings or buyer specifications. Technical support and quotation assistance are available upon request.
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Panel Construction and Profile
The PU Edge-Sealed Rock Wool Three Wave Corrugated Roofing Panel is manufactured as a factory-bonded composite assembly. The upper face is a color-coated steel sheet formed into a three-wave corrugated profile, providing structural rigidity across the panel span and facilitating efficient rainwater runoff across the roof surface. A rock wool mineral fiber insulation core is continuously bonded between the upper and lower steel faces, with polyurethane foam applied along all four exposed panel edges to seal the mineral fiber against moisture ingress and improve edge handling integrity. The result is a single rigid panel unit that is ready for direct installation onto purlin or structural steel frame systems.
Polyurethane Edge-Sealing System
The polyurethane edge seal is the defining structural detail that differentiates this panel from standard rock wool sandwich roofing panels. In conventional rock wool panels, the cut edges of the mineral fiber core are left exposed or covered only by the overlapping steel face, which can allow moisture to enter the core over time, particularly at ridge, eave, and side-lap joint positions. The PU edge seal encloses the rock wool core on all panel edges, helping to reduce moisture ingress risk, improve the dimensional consistency of the panel joint, and support more reliable sealing performance at installation interfaces. This edge treatment also contributes to improved handling and edge protection during transport and on-site installation.
Surface Material and Coating Options
The outer steel face is manufactured from color-coated galvanized or aluminum-zinc steel sheet, available in thicknesses of 0.4 mm to 0.8 mm. Three surface coating systems are available to suit different environmental exposure and budget requirements. PVDF fluorocarbon coating provides the highest level of UV resistance, color retention, and long-term surface weathering performance, and is recommended for projects in high-UV, coastal, or chemically exposed environments. SMP silicon-modified polyester coating offers a balanced combination of weathering resistance and cost efficiency. PE ordinary polyester coating is suitable for standard commercial and agricultural applications where moderate surface performance is acceptable. Standard available colors are white-grey, scarlet, navy blue, and iron grey, with custom colors accepted on request.
Rock Wool Insulation Core
The insulation core is composed of rock wool mineral fiber, which is manufactured from molten volcanic basalt or similar mineral materials spun into fibrous form. Rock wool provides inherently fire-retardant characteristics as a mineral fiber material, contributes to the panel’s sound attenuation performance, and offers low moisture absorption under normal service conditions. The thermal conductivity of the panel assembly ranges from 0.035 to 0.041 W/m·K depending on core thickness and density selection, providing effective thermal insulation for heated, ventilated, or cooled building envelopes. The fire performance of the assembled panel meets GB8624 Grade B1 standard, making it suitable for applications where building regulations require flame-retardant roofing materials. Buyers are advised to confirm local fire compliance requirements before specification.
Dimensões e personalização
The panel has an effective coverage width of 1,000 mm, reducing the total number of panels and joint lines required across a given roof area. Core thickness options of 50 mm, 60 mm, 75 mm, 80 mm, 100 mm, and 150 mm allow the panel to be specified according to local thermal insulation requirements, structural load conditions, and project budget. The color steel facing thickness ranges from 0.4 mm to 0.8 mm. Panel length is produced to order and can be specified according to purlin spacing, transport conditions, and structural design requirements. Fuqiang accepts custom specifications for non-standard lengths, thicknesses, colors, surface coatings, and facing materials based on customer drawings or project requirements.
Installation Compatibility and Accessories
The three-wave corrugated profile is designed for installation onto standard cold-formed steel purlins or hot-rolled steel secondary framing at purlin spacings appropriate for the selected panel thickness and span requirements. The nail fastening system is positioned at the raised wave ribs to reduce the number of roof face penetrations. Matching roofing accessories available from Fuqiang include ridge caps, eave trims, barge flashings, valley flashings, gutter sections, corner pieces, and joint sealant tapes, enabling single-source procurement for the complete roofing system. Technical data on recommended purlin spacing, load capacity, and fastener specifications is available upon request.
Project Suitability
This panel is particularly suited to projects where fire-retardant roofing material is required alongside practical thermal insulation and weather resistance. Typical applications include industrial manufacturing facilities, large-span commercial warehouses, logistics and distribution centers, steel structure buildings, prefabricated construction projects, and agricultural facilities. The combination of rock wool mineral fiber core, PU edge sealing, hidden fastener positioning, and corrugated drainage profile makes it well suited to projects across a broad range of climatic conditions, including tropical, temperate, and arid environments. The panel can be used in new construction and re-roofing upgrade applications.
| Effective Width | Panel Thickness | Core Material | Surface Material | Joint System | Condutividade térmica | Fire Performance |
| 1,000 mm | 50 / 60 / 75 / 80 / 100 / 150 mm | Rock Wool Core with PU Edge Seal | Color-Coated Galvanized / Aluminum-Zinc Steel Sheet | Nail Fastening at Wave Rib | 0.035–0.041 W/m·K | GB8624 Grade B1 |
Grade B1 fire performance for demanding roofing specifications. The mineral fiber rock wool core provides inherently fire-retardant characteristics and contributes to the panel assembly's GB8624 Grade B1 combustion performance rating, helping to meet fire safety requirements for industrial, commercial, and public building projects.
Enclosed edges for improved joint reliability and core protection. The polyurethane edge-sealing treatment encloses all four exposed rock wool edges, helping to reduce moisture ingress into the mineral fiber core at panel joints, ridge positions, and eave interfaces — a practical advantage over unsealed rock wool roofing panels in long-term service.
0.035–0.041 W/m·K across available thickness options. The rock wool core provides effective thermal insulation across the available thickness range of 50 mm to 150 mm, helping to reduce heat transfer through the roof envelope and supporting indoor temperature management in heated, ventilated, and air-conditioned facilities.
Reduced rain impact and ambient noise transmission. The rock wool mineral fiber core contributes to sound attenuation performance, helping to dampen rain impact noise and reduce external acoustic transmission through the roof — a practical benefit for workshops, logistics centers, and occupied commercial buildings.
Three coating systems for different environmental requirements. PVDF fluorocarbon, SMP silicon-modified, and PE polyester coating options cover a range of UV resistance, weathering performance, and budget requirements. Standard and custom color options allow the panel to be specified to match project or regional market requirements without additional finishing.
1,000 mm effective width for faster large-span roofing. The 1,000 mm effective coverage width and factory-bonded composite structure reduce the total number of panels, joint lines, and on-site assembly steps required per roof area, helping to shorten installation time and reduce labor costs on medium and large roofing projects.
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Para obter uma seleção e um orçamento específicos para o projeto, inclua as informações abaixo. A Fuqiang confirmará a configuração disponível, os documentos de apoio, o plano de produção e a embalagem para o pedido exato.
The edge-sealing detail protects panel edges and supports joint coordination. The exact section and dimensions should be confirmed for the quoted panel.
Fastener and slope selection depends on support spacing, panel profile, drainage, exposure and design loads. Submit roof drawings for project-specific review.
Available reports can be supplied where they match the quoted configuration and test basis. State the required standards and load conditions in the inquiry.
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