Weifang Luyang waterproof membrane for walls is manufactured inside our 10,000 ㎡ factory with six advanced production lines, supplying fleece‑backed bitumen and polymer‑based vertical‑wall‑specialized sheets in multiple thickness grades. Every finished roll completes lab testing for vertical‑adhesion, tear‑resistance, hydrostatic‑pressure‑resistance and lap‑seam‑stability indicators. Our product holds ISO and CE certification and supports custom‑roll‑width specifications. We deliver sample assessment, vertical‑wall laying guidance and global shipment for more than 50,000 worldwide construction‑industry cooperative clients.