Traditional Culture Encyclopedia - Weather forecast - My marble floor stairs are always wet by the window of the turntable. Why?

My marble floor stairs are always wet by the window of the turntable. Why?

Will it be wet in your place?

Brush a layer of protective water when the weather is dry, so it won't absorb water.

Protective water, you search online for "Sikang KY-20" to buy 1 bucket and brush it yourself when you go home.

Remember, you must dry it before you can brush it, or the water will be locked in the stone.