1、Bingfa Steel structure provides PU Edge sealed Rock wool Roof Sandwich Panel that is high quality for use in Steel Warehouses, Workshop buildings, Industrial buildings, Commercial buildings, Prefabricated buildings or any type of roofing system that needs a fire-resistant surface. The product is manufactured with colour coated steel sheet on both surfaces, rock wool core insulation, and PU sealing edges that allow for fire protection, heat insulation, higher performance of edge seals, noise absorption and a lasting roofing unit performance. 2、Our roof sandwich panels are manufactured from rock wool and are designed specifically for steel building roofing applications. The polyurethane sealing edge of these roofing panels provides improved insulation, stability and weather resistance to the roof structure. The thickness, length and steel sheet thickness as well as surface colour and roof profile can all be manufactured to suit individual project applications
Key Advantages of PU Edge Sealed Rock Wool Roof Sandwich Panels
1.Fire-Resistant Roof Panel Solution The rock wool core provides good fire resistance, making the panel suitable for warehouses, workshops, factories, and industrial roofing projects with higher safety requirements.
2.PU Sealing Edge for Better Panel Performance The PU edge sealing design helps improve edge strength, sealing performance, and moisture resistance, making the roof panel more suitable for long-term steel building applications.
3.Thermal and Sound Insulation Rock wool insulation helps reduce heat transfer through the roof system and also improves sound absorption for steel warehouses, workshops, and industrial buildings.
4.Durable Steel Building Roof System Color-coated steel sheets provide roof strength, weather resistance, and a clean appearance, while the profiled roof design supports drainage and roof covering performance.
5.Custom Roof Panel Design Panel thickness, length, steel sheet thickness, surface color, and roof profile can be customized based on building size, insulation needs, climate conditions, and budget.
Our PU edge sealed rock wool roof sandwich panels are widely used for:
Steel warehouse roofing
Steel workshop roofing
Industrial building roofs
Factory roof systems
Logistics warehouse roofing
Commercial steel building roofs
Prefabricated steel building roofs
Fire-resistant roof systems
Agricultural steel building roofing
Storage building roof panels
PU edge sealed Rockwool roof sandwich panels provide a reliable fire resistant and insulated roof panel option if you have a project requiring any combination of fire resistance, Insulation, sound control or improved edge sealing.
A PU edge sealed rock wool roof sandwich panel usually consists of:
Upper color-coated steel sheet
Rock wool insulation core
PU sealing edge
Lower color-coated steel sheet
Profiled roof surface for drainage
Overlap joint for roof installation
Matching accessories such as screws, ridge caps, flashing, trims, and sealant
The combination of rock wool with the improved edge-sealing properties of fire-resistant rock wool makes it appropriate for roofing cladding systems on steel buildings as well as industrial roofs.
Our sandwich panel production process is carefully controlled to ensure accurate dimensions, strong bonding, and consistent panel quality.
Steel Coil Uncoiling
Color-coated steel coils are loaded onto the uncoiling machine, leveled, and continuously fed into the production line. Protective film may also be applied to reduce scratches and surface damage.
Steel Sheet Roll Forming
The upper and lower steel sheets pass through roll-forming equipment to create the required panel profile, surface pattern, and edge shape.
Core Material Feeding
Rock wool or other insulation core materials are transported into the production line according to the required panel thickness and specification. The core is positioned carefully to maintain consistent panel structure.
Adhesive Application & Edge Sealing
Adhesive is applied evenly between the metal sheets and insulation core to create a stable bond. Panel edges may also be formed or sealed according to the selected joint design.
Double-Belt Pressing & Automatic Cutting
The metal sheets and core material pass through the double-belt pressing system, where they are continuously bonded and formed. The finished panels are then automatically cut to the required project length.
Finished Panel Stacking & Packaging
The completed panels are inspected, stacked, labeled, and packed with protective materials. Proper packaging helps protect panel surfaces and edges during storage, container loading, and delivery.
With over 15 years of experience in steel structure export, we specialize in delivering high-quality prefab warehouses, riding arenas, and residential buildings to clients worldwide.
We offer integrated design, fabrication, and installation services. With 15 years of experience specializing in steel structure factory construction, we have an independent construction team and provide one-on-one service. We customize solutions for your projects, saving you time and reducing hassle.
Dedicated sales, engineering, and production teams with deep expertise in global steel building projects.
15+ Years Export Experience
Serving clients in Russia, Canada, Europe, and the Caribbean with tailored steel structure solutions.
100,000 m² Production Base
Precision CNC fabrication and strict quality control to meet international project requirements.
FAQ About Rockwool Sandwich Panels (PU Edge Sealing)
Q: Are rockwool sandwich panels with PU edge sealing energy efficient?
A: Yes! The Polyurethane (PU) Edge Sealed Rockwool Panels we manufacture will eliminate the air leakage problem standard Rockwool Panels face, providing a 30% higher Thermal Insulation Value than regular Rockwool, which will reduce the cost to heat/cool your building.
Q: How long do rockwool sandwich panels with PU edge sealing last?
A. The anti-corrosion steel skins and the PU edge sealing of our rock wool sandwich qualifies it for a service life of over fifty (50) years, which can equal the life of the steel structure to which it is attached.
Q: What is the difference between PU edge sealed and standard rockwool panels?
The majority of rockwool panels feature open edges, which leads to air leaks and absorbs water. By using a polyurethane edge seal, we create a panel that is completely sealed and as such will not be subjected to thermal bridging, will be free from mould and will result in an increased life of the panel.
Q: What is the fire rating of your rockwool sandwich panels?
A: Our rockwool sandwich panels feature a Non-combustible (Class A1) fire rating; the high level of fire safety is in full compliance with international building codes. The thin layer of PU used for edge sealing does not influence the total fire resistance of the panels.
