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ハイツの共用部の階段ですが、カビや藻が発生し黒ずんだり緑色がかっています。
普段の日常清掃の掃きそうじでは、これらはきれいになりませんね。
年に一度ぐらいは高圧洗浄機などによる大掃除がおすすめですね。
高圧洗浄機でも通常のジェットノズルではきれいになりませんので、今回はサイクロンジェットノズルを使用しました。このノズルは高圧水を渦巻き状に噴射しますので効果大です。
ただ、塗装面に当ててしまうと塗装まではげてしまうので注意して作業をしました。
これから、時期的に入退去の時期ですので、キレイにしておくと物件を見にこられたお客様にも好印象ですね。