waterproof-insulation-sandwich-roof-panel-950mm-with-rock-wool-core, waterproof-insulation-sandwich-roof-panel-950mm-with-rock-wool-core, /roof-system
EN
• Certification: Class A fire-rated rock wool for high fire-risk sites.
• Tech: Deepened male-female joints ensure 100% water tightness.
• Effect: Closed-cell core material reduces energy loss via thermal insulation.
• After-sales: Provides fire test reports and product warranty certificates.
The insulated roof sandwich panel is a specialized roof enclosure panel composed of two layers of color-coated steel sheets as the outer faces and a rock wool core, manufactured through continuous high-pressure composite molding in the factory. The panels are optimized for roof drainage, waterproofing, thermal bridge prevention, and load capacity, featuring deepened waterproof male-female joints and micro-corrugated drainage structures on the surface
Xingyuanxing presents an advanced insulation sandwich roof panel and single-layer profiled roof panel solution engineered for modern construction needs. These roofing products combine durability, thermal performance, lightweight construction, and ease of installation to meet commercial, industrial, and residential demand
The insulation sandwich roof panel integrates a high-performance insulating core between protective metal facings, providing superior thermal resistance while maintaining structural integrity
In contrast, the single-layer profiled roof panel offers a cost-effective, lightweight roof panel option for applications where full sandwich insulation may not be necessary. The single-layer profiled roof panel is formed from a single sheet of profiled metal, engineered with corrugations and ribs that increase stiffness and load-carrying capacity while minimizing material usage
Energy-efficient roofing is a central feature of both product types offered by Xingyuanxing. The insulation sandwich roof panel is designed to meet stringent thermal performance standards, providing high R-values and helping building owners meet energy code requirements
Lightweight roof panels are increasingly in demand for modern construction methods that prioritize speed, safety, and reduced foundation loads. Both the insulation sandwich roof panel and the single-layer profiled roof panel embody the lightweight roof panels concept
Technical advantages of Xingyuanxing’s insulation sandwich roof panel include excellent thermal insulation, superior weather resistance, acoustic damping, and fire-retardant options. The insulation sandwich roof panel employs cores that resist moisture ingress and maintain insulating performance over the service life of the roof
Integrally Molded, Extremely High Construction Efficiency: Factory-prefabricated panels integrating insulation and surface layers are directly hoisted and laid on-site via interlocking, saving multiple on-site steps such as installing insulation wool and inner liners. Construction speed is more than three times that of traditional composite roofs, greatly shortening the project timeline.
Excellent Thermal Insulation Performance, Reducing Energy Consumption: The closed-cell core material has low thermal conductivity, providing stable and lasting insulation. In cold storage and constant-temperature workshops, it reduces energy consumption of cooling/heating equipment. Thicker versions are suitable for severe cold in northern regions and high-temperature environments in the south.
Dedicated Roof Joint, Waterproof and Thermal-Bridge Free: Utilizes deepened eccentric locking tongue-and-groove joints with specialized insulating sealing compound. The tight joints prevent thermal bridging, water seepage, and cold leakage. The micro-corrugated surface quickly drains rainwater, preventing ponding and seepage.
Classified Fire Resistance to Meet Fire Safety Codes: Rock wool core is Class A non-combustible, suitable for production workshops with high fire-safety requirements. Official fire test reports can be provided.
High Structural Strength, Meeting Roof Load Requirements: The metal facings are strongly bonded to the core material, providing excellent overall rigidity. It can withstand standard snow loads and maintenance foot traffic. For large-span roofs, no additional purlin reinforcement is needed; the structure remains stable and resistant to deformation.
Soundproofing and Dustproofing for a Comfortable Indoor Environment: The composite interlayer effectively blocks rain noise and external production noise. The tight tongue-and-groove joints prevent dust and moisture infiltration, suitable for clean rooms and food processing workshops.
Complete Supporting System for an Integrated Roof Solution: Compatible with matching-profile skylight panels, ridge caps, gutters, ventilator trims, and other accessories. The entire roofing system is uniformly supplied, with complete waterproofing details that minimize leakage risks.
|
Parameter Item |
Standard Configuration Parameters |
|
Core Material Type |
Rock Wool (Class A Non-Combustible) |
|
Total Panel Thickness |
50/75/100/120/150mm, customizable on demand |
|
Top & Bottom Steel Sheet Thickness |
0.4–0.6mm pre-painted steel sheets; stainless steel facings available on request |
|
Effective Coverage Width |
Standard widths: 950mm |
|
Core Material Density |
Rock wool: 50–120kg/m³ |
|
Fire Resistance Grade |
Rock wool, Class A Non-Combustible |
|
Installation Structure |
Eccentric hook hidden fastener male-female joint; roof-specific waterproof lap structure |
|
Design Service Life |
10-15 years for standard versions; over 25 years for PVDF-coated facings |
|
Applicable Load |
Standard snow load and walkable maintenance roof; thickened customization available for heavy-load roofs |
|
Supporting Accessories |
Ridge plates, gutters, flashing plates, daylighting sandwich panels, ventilator edge trims, fire-resistant sealant |
Constant-Temperature Production Workshop Roofs: Food processing, pharmaceutical, electronics precision manufacturing workshops stable temperature control to meet production process insulation requirements.
Cold-Chain Storage Roofs: Refrigerated warehouses, freezer warehouses, fresh produce sorting centers PIR insulated panels offer low-temperature resistance and minimal thermal loss, significantly reducing refrigeration costs.
Clean/ Purification Workshop Roofs: Clean rooms, medical device workshops smooth surfaces, easy to clean, airtight and dustproof, meeting environmental cleanroom standards.
High Fire-Risk Industrial Workshops: Chemical, hardware processing, flammable/explosive workshops Class A rock wool insulated panels meet fire separation and protection requirements.
Insulated Logistics Warehousing: Constant-temperature storage, grain reserve warehouses thermal insulation and moisture protection to prevent goods from temperature fluctuation and dampness damage.
Livestock Shed Roofs: Large-scale animal husbandry sheds temperature control reduces heating/cooling equipment investment, easy to wash and disinfect.
Supporting Office Building Roofs in Parks: Factory office buildings, R&D centers combine insulation, soundproofing, and waterproofing for improved indoor comfort.
Plan Confirmation & Contract Signing: Based on local climate, insulation temperature requirements, fire resistance rating, and roof span, recommend appropriate thickness and core material; provide roof layout and detail drawings; confirm quotation and delivery schedule; sign formal contract with clear warranty standards.
Factory Integrated Production: Full inspection of incoming materials; automated continuous composite production line; piece-by-piece inspection of joint precision, bonding strength, and surface flatness. Custom colors and special thickened profiles supported.
Completion Acceptance & Delivery: Upon supply completion, cooperate in inspection of specifications, appearance, and sealing; provide fire test reports, thermal performance test reports, and product warranty certificates.
Direct Factory Supply, No Middleman Markups: Own automatic continuous sandwich panel production lines, mass-producing all categories (rock wool etc.). Bulk orders benefit from significant price advantages.
Dedicated Roof Profiles with Professional Waterproofing: Different from ordinary wall sandwich panels, these are specially optimized with eccentric locking joints and drainage micro-corrugations, addressing industry pain points of roof leakage and thermal bridging.
Full Quality Control with Performance Traceability: All steel coils and core materials comply with national standards. Each batch undergoes sampling tests for thermal conductivity, fire resistance, and bonding strength. Complete test reports are available for project acceptance.
Mature Solutions for Diverse Industries: Served thousands of projects in cold storage, clean workshops, fireproof workshops, and constant-temperature warehousing. Upgraded solutions are available for severe cold, coastal high-humidity, and chemical-corrosion environments.
Stable Delivery and Efficient Supply: – no delays to plant commissioning.
Q1: Can insulated roof sandwich panels and insulated wall sandwich panels be used interchangeably? Not recommended. Roof panels feature deepened waterproof joints, drainage micro-corrugations, and thermal-break structures for stronger waterproofing and anti-seepage performance. Wall panels have flat surfaces and shallower joints, with insufficient waterproofing if used on roofs, they are prone to leakage and thermal bridging.
Q2: Will snow crush the insulated roof sandwich panels? Standard thickness with normal purlin spacing meets regular snow loads. In heavy-snow cold regions, thicker panels and reduced purlin spacing can be adopted. We can provide load calculation reports based on local snow load data.
Q3: Will the joints of insulated roof panels leak rain or cause condensation? The eccentric hook concealed fastener tongue-and-groove joint + specialized insulating sealant provides dual sealing. With standard construction, there are no exposed nail holes, effectively preventing rainwater infiltration and indoor condensation. For cold storage projects, upgraded thickened sealing accessories are available.
Q4: Can insulated roof panels be paired with skylight strips and ventilators? Yes. Matching-profile insulated skylight panels and roof ventilators, with dedicated waterproof trims, can be installed as an integrated system, fully preserving the roof's insulation and waterproofing performance.
Q5: What is the service life? Will insulation performance degrade over time? Standard 15–30 years; fluorocarbon facings up to 35 years. The closed-cell core material is structurally stable, with minimal thermal performance degradation over decades of normal use.
Q6: Can they be used in chemically corrosive or coastal high-humidity environments? Yes. Upgrading to aluminum-zinc substrate + fluorocarbon PVDF coating on the facings significantly enhances corrosion resistance, extends service life, and reduces future maintenance and renovation costs.