Panel thickness is a key factor in both thermal insulation and installation cost. The required thickness depends directly on the internal temperature of the cold room.

📊 Recommended Panel Thickness by Temperature:

Thicker panels reduce thermal losses and are critical in negative and ultra-low temperature rooms such as deep-freezing and blast freezing chambers.

🧪 Polyurethane Foam Density: Why It Matters

The density of polyurethane insulation used inside the panel directly affects cooling performance and energy efficiency.

• The optimal PU foam density is between 38–42 kg/m³.

• At Esad Panel, we strictly do not recommend using panels with a density lower than 38 kg/m³ for cold room applications, as they compromise insulation and lead to higher energy consumption.

🛡️ Steel Sheet Thickness & External Durability

The thickness of the metal sheet used on the surface of the insulation panels is equally important for durability against physical and environmental impacts.

• Minimum acceptable thickness: 0.35 mm

• Standard option: 0.40 mm

• Ideal choice for long-term use: 0.50 mm

Thicker sheets improve the panel’s resistance to dents, corrosion, and external wear, especially in commercial or industrial environments.

🧼 Corrosion Resistance & Hygiene Standards

When buying insulated panels, it is also crucial to evaluate the hygienic and anti-corrosive properties of the metal surface.

• Panels should be coated with materials that are rust-resistant and antibacterial.

• This is particularly important in industries such as food storage, meat processing, or pharmaceuticals, where hygiene regulations are strict.

👉 While these features may slightly increase the initial cost, they offer significant benefits in terms of safety, longevity, and compliance.