1000 Secret Nail Insulated Roof Panel PU Sandwich Panel wholesale Sandwich Panel Connected to the sub-structure via screws PU Sandwich Panel Features: Connected to the sub-structure via screws; The lap joint is treated by edging process, resulting in a tighter lap to extend the service life of the panel; The core is made from high-quality hydrophobic Rockwool, supplemented with rigid PU on both sides, to enhance the overall strength and eliminate thermal bridge; The unique wave design provides a reliable connection for the fastening of PV panels. Items Specs & Parameters Effective Width 1000mm Developed Width 1200mm Wave Height 0.4-0.8mm Panel Thickness 34mm Colors Available White Gray, Silver, Sea Blue, Porcelain Blue Core Thickness 50/75/80/100mm Core Materials PU, Glass Wool, Rockwool Hot sale various high quality 1000 secret nail insulated roof panel from China leading manufacturer. Our products are efficient, cost effective and deliver more benefits. Welcome to choose us! Our company supply kinds of sandwich panel, City Multifunctional Kioskï¼?ALC/AAC panel and custom steel structural . Our products have high quality and competitive prices.