At Phoenix Steels, our high-performance twin-layer internal lining systems are designed to provide exceptional moisture control, thermal efficiency, and long-term durability. Engineered for use in industrial, commercial, and agricultural buildings, our system offers an innovative solution for managing condensation while enhancing insulation. The twin layer system comprises of a top sheet and a white liner panel with mini z's providing the void to incorporate the wide range of fibrous materials to enhance thermal performance. All of our products can be made to size & to order!