Sandwich Panel for Dummies
They're set for the composition with self-drilling screws, to stop leakage in the event of rain and humidity, and are frequently combined with sealing joints, which hurries up set up without sacrificing the insulation layer.ต้องมีอุปกรณ์ฉีดพ่นน้ำเป็นฝอย เพื่อป้องกัน