Introduction to Exterior Wall Cleaning Solution Essentials for Exterior Wall Cleaning

Exterior wall cleaning, as the name suggests, is to clean the walls outside the building. The main maintenance process is to use "calcified detergent" and dilute it in proportion. With the advancement of modern civilization and rapid economic development, more and more high-rise buildings are rising, followed by the rise of the building exterior wall cleaning industry. The exterior wall cleaning industry has attracted widespread attention and attention in our country. Pay attention to. Today, the editor will introduce to you the operation method and exterior wall cleaning plan. Let’s take a look together!

1. The operation method of exterior wall cleaning

1. Suspension operation method of seat plate type single-person spreader: workers use the hanging plate (rope) to slide down to the designated position for construction operations. This construction method has the characteristics of convenience, flexibility and high safety factor. At the same time, it takes up less resources and can minimize the impact on the daily work and life of the owners.

2. Hanging basket method: Set up a hanging basket on the roof to transport workers to the designated location for construction operations. This construction method has low cleaning efficiency and high cost.

3. High-altitude spider truck?: Use spider trucks, lift trucks and other platform equipment to transport workers to designated locations for construction operations. This construction method has great limitations and is generally suitable for difficult projects below 36 meters. Because of its high cost, it is rarely used.

4. Orbital window cleaning machine: When some high-rise buildings are built, orbital window cleaning machines are reserved. This construction method is the same as the hanging basket method, but it is easy to move.

5. Indoor double-sided wiping method: Some exterior glass windows are cleaned using double-sided magnetic glass scraping. This method can be operated indoors, but it is less efficient and less reliable. It is mostly used in the south. Due to the strength of the magnet, it has almost no effect on hollow double-layer glass.

2. Cleaning methods for exterior wall cleaning

Cleaning and maintenance techniques for granite exterior wall decoration surfaces

(1) Use "calcified cleaner", press 1 : 10 or 1:5 ratio dilution.

(2) After cleaning the decorative surface of the granite exterior wall, it must be waxed and maintained.

(3) The bottom of the exterior wall of the building is the most seriously polluted. Carry out sample cleaning to determine the dilution ratio of the cleaning agent.

(4) The procedures for cleaning glossy granite decorative materials by hanging construction workers in high-altitude suspension are as follows:

1) Soak the cleaning roller in the detergent solution in the bucket.

2) Use a cleaning roller soaked in detergent solution to wipe it back and forth on the surface of the smooth granite decorative material to moisten and detach the dirt on the granite surface.

3) Use a rag to wipe special dirt.

4) Rinse with clean water from the cleaning water pipe so that no dirt or detergent residue remains on the decorative surface of the granite.

(4) The procedures for cleaning the decorative surface of matte granite by hanging construction workers in high-altitude suspension are as follows:

1) Rinse the surface of matte granite with clean water from the cleaning water pipe. , wash away the dust on the surface.

2) Soak the scrubber brush in the cleaning agent solution in the bucket.

3) Use a scrub brush soaked in detergent solution to scrub the dirt on the surface of the matte granite to remove the dirt from the pores of the granite.

4) Wash with clean water from the cleaning water pipe to ensure that no dirt or residue of cleaning agent solution remains on the surface of the granite.

5) Carefully rinse the entire exterior wall with clean water.

Protective treatment can also be done 3 hours after the granite exterior wall decoration surface is clean and dry.

Cleaning and maintenance process for aluminum alloy exterior walls

(1) Use "neutral all-purpose cleaner" diluted at a ratio of 1:50.

(2) Select a typical dirt surface on the exterior wall of the building, conduct a sample cleaning, and determine the dilution ratio of the detergent.

(3) The procedures for hanging construction workers to clean the surface of aluminum alloy decorative materials in high-altitude suspension are as follows:

1) Dip the water wiper or cleaning roller into the bucket. Soak in detergent solution.

2) Use a wiper or cleaning roller soaked in detergent solution to wipe the decorative surface of the aluminum alloy to moisten and detach the dirt.

3) Use a wiper to scrape off the sewage on the surface of the aluminum alloy decorative material. Every time the wiper makes a stroke, wipe the sewage on the flat surface scraped by the wiper with a rag, and then scrape again.

(4) Special dirt can be wiped directly with a rag and then scraped with a wiper.

(5) High-rise buildings are equipped with louvered refuge floors and equipment floors. Aluminum alloy blinds should be wiped with a rag soaked in detergent solution and then rinsed with clean water.

Cleaning and maintenance process of stainless steel exterior walls

Since stainless steel exterior wall decoration materials are widely used on the surface of the ground floor exterior walls of buildings, and the upper layers of the building exterior walls are made of metal There are many structural forms, so different cleaning and maintenance methods should be used for the surfaces of stainless steel decorative materials on the upper and lower layers of the building's exterior walls.

(1) Surface cleaning and maintenance process of stainless steel decorative materials on the upper layer of building exterior walls.

1) Use neutral stainless steel for cleaning and dilute it at a ratio of 1:50.

2) Select a typical contaminated surface on the upper level of the building, conduct a sample cleaning, and determine the dilution ratio of the cleaning agent.

3) For large-area stainless steel decorative surfaces on the upper levels of buildings, the following cleaning procedures can be used:

a. Dip the wiper or cleaning roller into the detergent solution in the bucket. Soak in medium.

b. Use a wiper or cleaning roller soaked in detergent to wipe the stainless steel decorative surface to moisten and detach the dirt.

C. Use a wiper to scrape off the sewage on the stainless steel surface. Use a rag to wipe clean the sewage on the scraped surface of the wiper after each scrape, and then scrape again.

d. For special dirt, you can wipe it directly with a rag and then wipe it with a wiper.

4) For cleaning small-area stainless steel structural parts on the upper level of the building, the following procedures can be used:

a. Soak the rag in the cleaning solvent in the bucket.

b. Wipe the surface of the stainless steel structural parts with a wrung slightly dry rag with detergent solution to remove dirt.

c. Rinse the surface of the stainless steel structure with clean water from the cleaning water pipe.

(2) Cleaning and maintenance technology for the surface of stainless steel decorative materials on the bottom layer of building exterior walls.

1) Use neutral (PH=7-7.5) "stainless steel maintenance agent".

2) Spray occasionally at a distance of about 20-30 cm from the surface of the stainless steel decorative material.

3) Wipe gently with a clean, soft rag to wipe off the dirt, thus forming a protective film on the surface of the stainless steel decorative material.

4) If you encounter special dirt, you can first clean the surface of the stainless steel decorative material with a neutral "all-purpose cleaner" diluent, wipe it dry, and then wipe it with a "stainless steel maintenance agent".

5) When cleaning the surface of the stainless steel decorative material on the upper part of the bottom floor, a lift or aluminum alloy ladder should be used. Construction workers should wear safety belts for protection.

6) Stainless steel is afraid of acids, alkalis, and waxy water. After the operation is completed, it must be rinsed with clean water and coated with stainless steel oil to prevent rust.

Note: Do not get stainless steel oil on the glass, especially coated glass, to avoid forming a "rainbow".

Cleaning and maintenance of exterior wall tiles and ceramic mosaic tiles

(1) Use "calcification cleaner" (diluted in a ratio of 1:10 or 1:5), neutral all-purpose cleaning agent agent (diluted at a ratio of 1:50), "wall and floor tile cleaner" and "cement grout cleaner".

(2) Use the above four cleaning agents to select a typical contaminated surface on the exterior wall of the building for sample cleaning, and determine the type and dilution ratio of the cleaning agents.

(3) The procedures for cleaning the surface of exterior wall tiles and ceramic mosaic tiles by hanging construction workers during high-altitude suspension are as follows:

1) Immerse the cleaning roller in the bucket. Soak in detergent solution.

2) Use a cleaning roller soaked in detergent solution to roll back and forth on the surface of exterior wall tiles and ceramic mosaic decorative materials to moisten and detach dirt.

3) Rinse with clean water from the cleaning water pipe so that no dirt or residue of detergent solution remains on the surface of the exterior wall tiles and ceramic mosaic decorative materials.

Cleaning and maintenance techniques for exterior wall glass

Exterior wall glass is one of the most commonly used materials for building exterior walls. There are many types of glass available for building exterior walls, and most of them are combined with other materials to form exterior walls. Therefore, in addition to using different cleaning processes for the upper and lower layers, there should also be certain research on the selection of cleaning agents.

(1) Select a typical contaminated surface for the glass decorative material surface on the upper level of the building's exterior wall, conduct sample cleaning, and determine the dilution ratio. Since the surface of glass decorative materials is the last step in cleaning the exterior wall, the cleaning agent selected should not damage or contaminate the surfaces of other decorative materials that have been cleaned. Not only on the glass surface, but also on the surface of other decorative materials, a sample cleaning should be carried out to see if there is no damage or pollution before using this cleaner.

3) The procedures for cleaning the surface of glass decorative materials by hanging construction workers in high-altitude suspension are as follows:

a. Dip the water wiper into the detergent solution in the bucket.

b. Use a wiper soaked in detergent solution to apply it on the surface of the glass decorative material. Be careful not to splash the sewage onto the surface of other decorative materials.

C. When the wiper is scraping, in addition to scraping the glass decorative surface clean, it is still necessary to prevent re-contamination of the surface of other decorative materials. This is also the difficulty in maintaining the surface of exterior wall glass decorative materials.

d. Wipe the sewage flowing into the gaps of the structural silicone sealant, otherwise the sewage will seep back into the scraped glass surface, causing re-contamination.

e. Do not use acidic chemicals to scrape the glass.

f. After scraping the glass, if it is cloudy, wipe it dry with a cotton towel.

Note: After the glass is scraped with water, it is not easy to get dust, but after being washed with detergent, it is easy to get dust.

When receiving a large-scale glass curtain wall cleaning project, it is best to take the spare detergent and the aluminum plate and glass (model) to be washed to a professional chemical research institution. Through experimental verification to see whether the cleaning agent in the report has an impact on the glass, unnecessary legal liability can also be avoided, because the glass is particularly sensitive after being heated. In normal weather, a slightly thicker detergent will not damage the glass, but at the same ratio, if the glass is washed at a higher temperature, the intensity should be increased by 30% after the detergent is applied, that is, the concentration will immediately increase. Therefore, when doing it, you must also master the weather and medicine at the time.

(2) Cleaning and maintenance technology for the surface of glass decorative materials on the exterior walls of the building’s ground floor.

1) Use a dilutable glass cleaner that has been sampled

2) Use a lift or aluminum ladder for climbing cleaning. The connecting rod can be used to connect the water wiper and wiper operation within 2 meters from the ground.

3) The cleaning process is the same as that of the upper level.

4) The exterior glass within 2 meters from the bottom should be cleaned and maintained daily. The procedure is as follows:

Use "glass cleaning and maintenance agent" to spray on the stained areas of the glass.

Wiping directly with a soft, clean rag can wipe off the dirt and form a protective film on the surface of the glass decorative material to avoid the occurrence of contamination and traces again.

Exterior wall paint surface cleaning and maintenance process

(1) Use "calcified cleaner" diluted in a ratio of 1:5. (For reference only)

(2) Make a cleaning sample and determine the dilution ratio of the detergent.

(3) Use a scrub brush dipped in detergent solution to scrub the paint surface to remove dirt.

(4) Rinse with clean water.

(5) The paint surface is generally rough and the dirt is deeply immersed, so it is difficult to remove it with cleaning agents. In terms of price comparison, the price of cleaning agents is almost the same as the price of new materials, so some projects abandon cleaning and instead use the method of spraying new paint for cleaning and maintenance work.

(6) Choose a suitable cleaning agent, do not use hydrofluoric acid easily, and do not use hydrochloric acid.

Note: When doing exterior wall sample cleaning, you should choose a few difficult ones to do. Don't find a nearby one to clean it just for personal purposes. Avoid using this as a standard. Finally It is difficult to achieve this standard at high altitude.

3. Exterior wall cleaning plan

It is necessary to ensure that the cleaning of the exterior wall can achieve a clean and new effect without causing any destructive damage to the exterior wall of the building. This is This requires us to have a high professional and technical level and rich experience in exterior wall cleaning.

The materials used for exterior wall cleaning mainly include cement walls, glass curtain walls, composite aluminum composite panel walls, marble walls, granite walls, mosaic walls, ceramic tile walls, dry-bonded stone walls, water-brushed stone walls, etc. Due to the erosion of dust, oil pollution and acid rain (fog) in the air, a newly built building often becomes dirty in a short period of time, especially in some cities with serious air pollution. Without regular professional cleaning and care, it will soon lose its original charming style, which will not only shorten the natural life of the exterior wall, but also greatly affect the beauty and image of the city.

1. Cleaning methods adopted:

① Aerial work gondola; ② Aerial work hanging board; ③ Aerial work erection.

The choice of cleaning method is mainly based on the shape of the building, the roof structure, the surrounding environment of the building floor, etc.

　2. Things to note when cleaning exterior walls:

① When cleaning ceramic tiles, you need to pay attention to whether the detergent used will damage the smoothness of the surface of the ceramic tiles during the cleaning process.

② When cleaning the glass, you need to pay attention to the installation condition of the glass coating. It is easier to handle if the coating is installed inside. If the coating is installed on the outside, we need to pay attention to avoid damaging the coating layer on the glass surface when cleaning the glass.

Pay attention to whether the tools and cleaning agents used may damage the coating.

③Aluminum plates need to be cleaned with neutral detergents. Corrosive detergents and abrasive tools must not be used.

When we clean the exterior walls of the building, we must not only ensure that the cleaning of the exterior walls can achieve a clean and new effect, but also not cause any destructive damage to the exterior walls of the building. This requires us Only with a high level of professionalism and extensive experience in exterior wall cleaning can we complete this work.

3. The work of cleaning exterior walls is high-altitude work, which is very dangerous. In order to absolutely ensure safe work, we must maintain a high degree of alertness at all times and everything must be done in accordance with operating rules. We cannot There is a slight negligence.

People under the following circumstances are not allowed to work at heights:

①Those without the approval of the supervisor and without safe technical operation training;

②After diagnosis by a doctor, the patient Those who have heart disease, hypertension, or those who are sick that day and are not suitable for high-altitude operations;

③It is strictly forbidden to operate after drinking;

④The operation will be affected by bad weather;

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Inspection preparation before operation:

① Check whether the gondola or ropes are damaged or broken;

② Check whether the components of the gondola are normal and whether the working environment is normal Is it normal?

Operation regulations:

① When operating on board, you must concentrate and no talking, laughing or joking is allowed;

② The gondola cannot be overloaded during operation, and there should be people on the roof. Cooperate with various tasks;

③Operators must fasten their seat belts, and the seat belts should be fastened to the safety ropes on the boat.

The exterior walls of all high-rise buildings are exposed to the sun, wind and rain all year round, as well as the erosion of harmful gases and oil fumes, causing dirt and weathering on the exterior walls of the buildings, which affects the buildings. The beauty and city appearance have been improved, and the buildings have been damaged. Therefore, cleaning the exterior walls of buildings not only beautifies the environment, but also plays a role in protecting the buildings.

Earlier, the editor introduced to you the operation method and exterior wall cleaning plan. I hope it can help you better understand the building maintenance method of exterior wall cleaning. If you want to know more, please continue to follow us!

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