Zhengzhou, Henan Province, China
Now Contact: Do you need PU/EPS/Rock Wool sandwich panels?
Zhengzhou, Henan Province, China
Now Contact: Do you need PU/EPS/Rock Wool sandwich panels?
In modern industry, where the pursuit of ultimate temperature control and fire safety is paramount, PIR insulation panels with its superior thermal resistance, structural strength, and intrinsic safety properties, has become the ideal enclosure material for prefabricated steel structure warehouses, directly driving efficiency upgrades in global cold chain and high-end manufacturing.

With increasing global demands for green building and energy efficiency, traditional insulation materials are gradually being replaced by the more efficient PIR technology.
PIR is currently one of the materials with the lowest thermal conductivity among commercial building materials (approximately 0.019-0.022 W/m · k).
Space optimization: To achieve the same insulation effect, the thickness of PIR board is only about half of that of traditional materials. This frees up more internal usage space for the warehouse.
Sudden drop in energy consumption: For large logistics centers or food warehouses, PIR systems can significantly reduce heat loss, reducing the power load of air conditioning and refrigeration systems by more than 35%.

Unlike ordinary foam board (EPS), which is easy to melt and drip under fire, PIR material will form a hard carbonization protective layer when encountering fire.
Preventing the spread: This carbonized layer can effectively isolate oxygen and heat, preventing the fire from spreading inside the wall.
Compliance advantage: PIR sandwich panels can usually easily pass FM Global or similar high-level international fire certification, which helps companies significantly reduce their annual commercial insurance premiums.
PIR insulation panels adopt a composite structure of "steel core steel", which has extremely high bonding strength.
Anti deformation ability: Even in environments with large temperature differences (such as a temperature difference of 50 ° C between inside and outside a cold storage), PIR insulation panels can still maintain physical dimensional stability and is not prone to shrinkage or hollowing.
High airtightness: With precise tongue and groove design, it can create a nearly vacuum sealed environment, effectively preventing cold bridges and water vapor infiltration.

As a leading global supplier of steel structure building solutions, Yirong Group has delivered mature PIR cold storage and warehousing projects for numerous high-standard markets in the United States and Europe.
High-End Production Line: Yirong utilizes advanced continuous automated production lines to ensure uniform density and sufficient foaming of each PIR panel, guaranteeing consistent insulation performance from the source.
Full System Customization: We provide more than just panels. Yirong's solutions encompass everything from Q355B steel frame design to matching specialized seals, impact protection devices, and drainage systems, ensuring optimal thermal performance balance across the entire building system.
Global Logistics Guarantee: For the transportation of PIR insulation panels, Yirong has developed proprietary multi-layer protective packaging technology. From factory packing to overseas construction sites, it ensures zero deformation and zero impact during transoceanic transport of each high-performance panel.

In the global industrial landscape of 2026, high-performance prefabricated warehouses are not only assets but also a competitive advantage. By integrating PIR insulation systems, manufacturers and logistics providers can operate with lower operating costs and higher levels of safety.
Yirong Group is committed to helping customers convert every unit of electricity into tangible profits through PIR technology.