Buildgram PIR/PU Sandwich Three-Wave Roof Panels | Superior Thermal Insulation

Buildgram's High-Insulation PIR/PU Sandwich Three-Wave Roof Panels are engineered for optimal thermal efficiency and structural strength. Featuring a composite sandwich structure with a PIR (Polyisocyanurate) or PU (Polyurethane) core, these panels offer exceptional energy savings and fire resistance.

The three-wave profiling design enhances stiffness and waterproofing, making them ideal for industrial and commercial roofing projects worldwide.

📋 Technical Specifications

Core Options: PIR (≥0.023 W/m·K, B1/A- Fire Rated) / PU (≥0.025 W/m·K, B1 Fire Rated)

Thickness: 50mm, 75mm, 100mm, 125mm, 150mm, 200mm (Customizable)

Dimensions: Width: 1000-1200mm; Length: ≤36m; Wave H: 43mm

Service Life: ≥20 Years | Metal Coating optional (PE/HDP/PVDF)

🏭 Application Scenarios

• Industrial & Warehouses: Ideal for factories and logistics centers requiring high insulation and durability.
• Cold Storage: Maintains stable low temperatures with minimal heat transfer.

✅ Why Choose Buildgram?

• Advanced Three-Wave Structure: Increases load-bearing capacity and creates efficient drainage channels to prevent leaks.
• Superior Energy Saving: Reduces heating and cooling costs by 30-40% compared to traditional materials.
• Robust & Waterproof: PU edge sealing prevents moisture absorption; Interlocking seams ensure weather-tight performance.
• Global Compliance: CE and ISO certified, meeting international quality and safety standards.

Our Production Lines

To ensure reliable and consistent product quality, we have integrated Italy's fully automatic continuous Puma Line and Germany's Krauss Maffei Line. Boasting high automation, precise control, and robust stability, these lines produce 5 million square meters of continuous self-foaming PU core color steel sandwich panels annually.

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