A Simple Key For P-Grade Unveiled
They are fixed to your structure with self-drilling screws, to avoid leakage in case of rain and humidity, and are frequently coupled with sealing joints, which speeds up set up with no sacrificing the insulation layer.ต้องมีอุปกรณ์ฉีดพ่นน้ำเป็นฝอย เพื่อป้องกันกา