Details, Fiction and roof drain
หัวระบายน้ำฝน ใช้ท่อขนาดเล็กเพราะระบายน้ำฝนแบบเต็มท่อThose that set up new, thicker roof membranes may find yourself blocking their scuppers. In that situation, scuppers really should be moved up the wall or replaced with larger scuppers.ทำ