4 ways to remove brick dandruff + ✔️ Sahand Shimi's nano-face coating method

The quality of construction and the cleanliness of the facade of the building plays the most important role in making your building look beautiful and modern. Brick or stone facades, whose surface is covered with scale, whitewash, moss or algae, not only reduce the value of the property but also create an unpleasant image of the negligence of the residents in taking care of the building. The good news is that there is an easy solution to this problem.

What is the cause of brick face dandruff?

In order to remove pollutants such as dandruff and whitewash and to prevent its occurrence, you must first know what causes this problem. As you know, the water we use on a daily basis and in construction activities contains many soluble salts and mineral salts.

What is the cause of brick face dandruff?

Of course, depending on the geographical location and water type of each region, these salts can be qualitatively and quantitatively different from each other. This water is used in making mortar and grout which we need to connect brick and facade stone, and gradually as the mortar dries, its moisture reaches the outer surface of the brick. Dandruff and whitewash are actually the soluble salts that are left on the surface due to the evaporation of water.

Factors such as rainfall and absorption of moisture by the facade (its spread to the mortar), compounds in bricks, salts and impurities in sand, acid washing, reactions of cement mortar with brick or stone facade, etc. can somehow cause the replacement of Remaining powdery solutions on the surface.

With this explanation, it seems that the scaling of the brick facade is unavoidable, because the brick is in contact with the mortar from its 5 sides, and cement also has compounds that promote the phenomenon of scale and whitewash. But fortunately, chemical researchers have not remained idle in this field and have come to your aid by making a very strong coating solution.

In the following, we will first discuss the methods of cleaning the dander of the brick facade and then introduce a product that will save you from the costly and laborious work of washing the facade at close intervals.

Brick scale is created with what salts?

Brick dandruff does not always have a specific factor and can be caused by various factors. Based on this, the types of dandruff can be classified as follows:

• Sulfate scale (calcium sulfate/sodium sulfate/potassium sulfate): The cause of this type of scale is often the use of mortar containing sulfate or gypsum, especially in the laying of bricks.
• Chloride scale (potassium chloride/sodium chloride/vanadium chloride): Improper use of concentrated salt ink to remove carbonate scale and the presence of chlorine compounds in stone or brickwork cause this type of scale. It should be noted that chlorine compounds can lead to the destruction of facade mortar.
• Carbonate scales (calcium carbonate/potassium carbonate/sodium carbonate): when lime and cement mortar are used to stick bricks, the combination of calcium hydroxide in it with air and water leads to the production of calcium carbonate, which is a special type of brick-like scale. Is. Using hard water with high amounts of lime has the same effect.
• Nitrate scale: If the brick is in contact with organic materials such as rotten plants and nitrate products, it can become stained and then scale by absorbing this factor in the presence of moisture.

4 miraculous ways to remove brick dandruff

To prevent dandruff, the best possible way is to waterproof the facade and prevent the possibility of moisture from spreading to the brick-and-mortar compounds. But for the buildings that are currently involved in this phenomenon, what is the solution? The first step is to completely clean the facade and wash it with the following methods:

1- Washing with water pressure

Washing with waterjet, which is the technology of using water with very high pressure and speed, is considered a suitable way to remove dander from the facade surface. In this method, there is no need to use all kinds of detergents, and only by concentrating the water pressure at any point, the facade is completely cleaned. After washing, the surface should be completely dry so that white is not formed again due to evaporation.

2- Removing dandruff by dry brushing method

With the help of a wire brush or a brush, the facade surface can be easily cleaned. Removing brick scale with a brush is a low-cost method that prepares the surface for sealing.

3- Remove dandruff with ink salt or vinegar

One of the easiest ways to remove brick scale is to use a solution of warm water and acid. The acidic substance can be ink salt, phosphoric acid or even vinegar. To find out about the ratio of water and acid composition, be sure to ask the seller or read the information on the product.

4- Nanoma coating: the best method to prevent brick bleaching

In the previous section, you got acquainted with the common methods of washing brick-faced dander. But these methods alone cannot keep the appearance of your building beautiful and clean forever. The more important issue is that some scales contain salts that gradually erode the stone or brickwork. Naturally, with a lot of money that you have spent on building and cleaning it, you don't want to see dandruff and whiteheads again in the first rain.

Sahand Shimi's nano-face coating product

The best and most effective thing to do is to use an insulating coating on the facade of the building to permanently remove dandruff and prevent moisture absorption by bricks and mortar. Nano face coating is a common name used for a face water repellent product. After using this product, stone and brick surfaces will look like the hydrophobic leaves of plants.

For example, when dealing with a lotus plant, you must have noticed that its leaves do not absorb water, but spherical drops of water slide on the plant. By increasing the contact angle between the surface and humidity, as well as reducing the surface adhesion force, the facade water-repellent product prevents water absorption into the openings and being sucked by the brick.

Nano Lily water repellent and coating is a product of the Sahandshimi company, which is widely used in waterproofing all types of facades, including clay, brick, stone, wood and even straw. A significant reduction in the surface adhesion between water and facade materials makes it possible to reduce dust and pollution on the surface during rain.

Protection of cement and concrete facades with concrete glue

Facade construction in some structures is done with cement or new types of concrete panels such as GFRC. Unfortunately, cement and concrete facades, like bricks, are constantly exposed to dandruff and whitewash. During the drying of concrete, the water used in it, which has a significant volume, slowly evaporates.

The water that reaches the surface of the concrete can contain dissolved salts and salts that are left in the evaporation process and cover the surface in the form of scales. In addition to making the appearance of the building ugly and dirty, these salts gradually damage the texture of the materials and cause the destruction of the internal members. Therefore, in order to protect the cement and concrete facade, suitable materials should be used both during the construction stage and for moisture insulation.

Sahand Shimi concrete adhesive is one of the most effective new products to reduce the permeability of concrete and cement elements. Many contractors use concrete adhesive in the process of building concrete pools and cement pools to prepare mortar or a coating layer with low permeability.

Sahand Chemical concrete adhesive

Adding concrete glue during the construction of mortar and concrete members is important in two ways. First of all, this product increases the durability of concrete by strengthening the compressive strength and preventing the creation and expansion of cracks. And secondly, it has a reducing effect on permeability.

Therefore, if you intend to strengthen the building or if the cleanliness, beauty, and durability of the facade of the building are very important to you, we recommend that you consider using concrete glue in the initial stages of the facade implementation. Keep in mind that even if you use a concrete adhesive product, you must apply Lily's water-repellent coating on the surface of the facade, in order to achieve the expected performance.

Repair of concrete structures

In the following video, we repair and prepare the concrete structure of the pool with the help of bonding powder and mortar reinforcing resin (latex). To order and inquire about the price of mortar reinforcing resin (latex), refer to the following link:

Conclusion

The use of brick, stone, composite materials, all kinds of concrete panels, etc. has once again become popular in the field of modern architecture and facade construction. Due to the high cost of construction, washing and maintenance of building facades, the best and most economical way is to use effective material to seal the surfaces and reduce the percentage of moisture absorption to a minimum. 

source: https://www.sahand-chemicals.com/articles/رفع-شوره-آجر/