A SECRET WEAPON FOR ระบบระบายน้ำฝน

Gutters: Gutters are shallow channels that gather water at the sides with the roofs. When gutters tend to be more frequent on residential roofs, they can continue to be applied on professional roofs, being a complement to inside drainage or by themselves.เมื่อน้ำฝนหล่นกระทบกับหลังคา ก็อ