PIR Sandwich Panels is Preferred in Modern Construction

In modular and Prefabricated construction, the insulated sandwich panels utilized for walls and ceilings demonstrate exceptional structural integrity. These panels are created by encasing an insulating core with metal layers, offering distinct benefits in various building types including warehouses, factories, hotels, and poultry facilities.

Among the various types of sandwich panels available for selection—such as PUF (polyurethane foam), PIR (polyisocyanurate), and EPS (expanded polystyrene)—PIR panels have emerged as the most favored option in construction. This is primarily due to their superior fire resistance, higher thermal efficiency, and enhanced durability compared to other materials. Additionally, PIR panels offer excellent insulation properties, making them ideal for energy-efficient building designs. Their lightweight nature and ease of installation further contribute to their widespread popularity in the construction industry.

PIR sandwich panels, short for polyisocyanurate sandwich panels, are composed of three layers: a high-density rigid polyisocyanurate foam core, sandwiched between two layers of galvanized or aluminum sheet coatings. These panels are renowned for their outstanding thermal insulation performance, as well as their ability to withstand mechanical loads and high wind pressures, making them ideal for use in structures that demand high fire resistance. Notably, the thermal conductivity of PIR panels is exceptionally low, typically less than 0.023 W/(m·K), which contributes to their superior energy efficiency and insulation capabilities.

PIR sandwich panels adavantage

☆Excellent thermal insulation with low thermal conductivity.

☆High fire resistance due to thermosetting properties.

☆Strong and durable, capable of bearing mechanical loads.

☆Lightweight and easy to install, reducing construction time and costs.

PIR sandwich panels application

☆Industrial and commercial buildings such as warehouses and factories.

☆Cold storage facilities for temperature-sensitive environments.

☆Residential and modular constructions for energy-efficient homes.

PIR sandwich panels difference

The key difference between PU, PIR, and XPS panels lies in their fire resistance and thermal properties. PU foam has limited fire resistance (B2/B3 rating), while PIR offers superior flame resistance, lower smoke emission, and higher temperature tolerance (B1/B2 rating). Unlike thermoplastic materials like XPS, which melt under heat, PIR is a thermoset material that chars instead of melting, providing better heat and chemical resistance. PIR is preferred for its exceptional thermal insulation and fire safety.

PIR sandwich panels have become the preferred choice in modern construction due to their exceptional thermal insulation, fire resistance, and durability. With a thermal conductivity of less than 0.023 W/(m·K), they offer superior energy efficiency, making them ideal for industrial, commercial, and residential buildings. Unlike PU panels, PIR provides better flame resistance and lower smoke emission, meeting higher fire safety standards (B1/B2 rating). Additionally, PIR's thermoset properties ensure it chars instead of melting under high temperatures, enhancing safety. Lightweight and easy to install, PIR panels reduce construction time and costs while delivering long-term performance, making them a top choice for sustainable and safe building solutions.