How much is the external wall cleaning?

Exterior wall cleaning is an important link to keep the appearance of buildings clean and tidy. It can not only beautify the appearance of the building, but also prolong the service life of the building. However, different cleaning methods and cleaning objects will affect the cleaning cost. This article will introduce several ways of external wall cleaning and the differences in costs to help you understand their costs.

Exterior wall cleaning method

1. High pressure water cleaning

High-pressure water cleaning is a common external wall cleaning method. It sprays high-pressure water to the wall through a high-pressure water gun to wash away dirt and pollutants. High-pressure water cleaning can effectively remove stains, dust and vines on the wall, but it is ineffective for some difficult stains.

2. Chemical cleaning

Chemical cleaning is a cleaning method using chemical cleaner. It removes stains and pollutants on the wall by spraying detergent on the wall and then washing it off with water. Chemical cleaning can effectively remove paint, mold and stains from walls, but it should be noted that chemical cleaning agents are harmful to the environment and human body.

3. Dry ice cleaning

Dry ice cleaning is a cleaning method using dry ice particles. It washes away stains and pollutants by spraying dry ice particles on the wall. Dry ice cleaning can effectively remove paint, stains and mold on the wall, and will not cause harm to the environment and human body. However, dry ice cleaning costs more.

External wall cleaning cost

The cost of external wall cleaning depends on many factors, including cleaning method, cleaning object, cleaning area, cleaning difficulty and so on. The following are some common cleaning costs:

1. High pressure water cleaning cost

The cost of high-pressure water cleaning is about 5- 10 yuan per square meter. The difference in cost mainly depends on the cleaning area and cleaning difficulty.

2. Chemical cleaning cost

The cost of chemical cleaning is about per square meter 10-20 yuan. The difference in cost mainly depends on the cleaning area, cleaning difficulty and the type of detergent.

3. Dry ice cleaning cost

The cost of dry ice cleaning is about 20-30 yuan per square meter. The difference in cost mainly depends on the cleaning area, cleaning difficulty and the amount of dry ice particles used.

operation sequence/order

Different cleaning methods have different operation steps. Here are some common steps:

1. Operating steps of high-pressure water cleaning

(1) Prepare high-pressure water cleaning machine and water source.

(2) Test on the wall to determine the jet strength of high-pressure water.

(3) Start from the top of the wall and gradually clean it down.

(4) After cleaning, wash the wall with water.

2. Chemical cleaning operation steps

(1) Prepare chemical cleaner and water source.

(2) Spray cleaning agent on the wall and wait for a period of time.

(3) Wash the cleaner with a high-pressure water gun.

(4) After cleaning, wash the wall with water.

3. Dry ice cleaning operation steps

(1) Prepare dry ice cleaning machine and dry ice particles.

(2) Spray dry ice particles on the wall to wash away stains and pollutants.

(3) After cleaning, wash the wall with water.