Q&A: Structural Engineering of LOPO Ventilated Facade System 1. Whether terracotta ventilated facade system can adopt sealed system (namely use sealant for sealed treatment)? In many of China’s Terracotta Panel curtain wall projects, in order to avoid misalignment of the curtain wall’s horizontal seams and vertical seams, many construction parties use sealant treatment. But looking from the terracotta panel’s hanging system, an open system is recommended, which can effectively take…