How to prevent moisture in caves in northern Shaanxi?

It is recommended to make a horizontal moistureproof layer.

Cement mortar mixed with 5% waterproof powder is 20mm thick or coiled material waterproof layer is used, which is placed in the wall, higher than the outdoor ground, in the middle of the indoor stratum dense material cushion (such as concrete cushion) and 60 mm (0.000) below the indoor ground; The vertical moistureproof layer is generally set on the water surface of the external wall, made of cement mortar mixed with 5% waterproof powder, with a thickness of 20mm, and then coated with asphalt oil.

Cave dwelling is an ancient living form of traditional residents on the Loess Plateau in northwest China, which has the advantages of being warm in winter and cool in summer. There are several ways to prevent moisture in caves: you can put some desiccant in caves at any time and change it from time to time, otherwise the desiccant will not play a role in preventing moisture after being diluted and saturated with water. You can buy a professional dehumidifier and put it in the hole, which will also have moisture-proof effect.