แผงท่อ PIR

Among the various thickness options available, 20mm PIR Alu has become the industry standard. While thicker panels can provide slightly higher insulation, and thinner panels may reduce material usage, 20mm achieves the perfect balance between thermal performance, ease of installation, cost efficiency, and compliance with international HVAC standards. In this article, we explore why 20mm PIR Alu has become the preferred choice for HVAC ductwork worldwide.