This article is a guide to installing Gao Yi PVC roofing tiles, based on practical experience from construction sites. PVC roofing tiles are lightweight and quick to install, offering advantages over resin tiles and color-coated steel roofing, and are suitable for factory buildings, carports, and similar structures. The guide covers three aspects: furring strips, tile installation, and edge finishing. It focuses on furring strip spacing (60–80 cm), fastening methods (self-tapping screws with rubber washers; avoid using regular nails), and their importance, emphasizing proper...