08-21
This practical guide walks through full‑process operations for PU sandwich panels used in steel‑structure factory walls, roofs and constant‑temperature warehouse enclosures. It covers material selection, incoming inspection, on‑site construction, sealing treatment and final acceptance, helping contractors avoid water leakage, delamination and acceptance failures. SAMZOON, a Foshan‑based original manufacturer, provides custom PU sandwich panels, free samples and professional technical support for South‑China industrial projects.