A REVIEW OF P-GRADE

They're preset on the framework with self-drilling screws, to avoid leakage in the event of rain and humidity, and tend to be coupled with sealing joints, which speeds up set up with out sacrificing the insulation layer.เป็นฉนวนหุ้มท่อความหนาแน่นสูง เหมาะสาหรับใช้