Types of building waterproofing

• Posted by abolfazl musavi March 14, 2023 Filed in Other #Plumbing  146 views
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  Sometimes dampness causes damage to the building and as a result the useful life of the building decreases. In such cases, building insulation is absolutely necessary. When a cover is created on the roof, floor, wall and facilities and pipes of the building to prevent the penetration of water and moisture, we say that insulation has been done. 
  Moisture that is caused by rain or damp soil is sometimes absorbed in different ways, for example, from the wall, the ground or the body of the building. In order to control humidity, waterproofing is used. When moisture is absorbed by the building, its adverse effects appear in the form of cracking or swelling of the wall and the presence of fungus and mold. One of the adverse effects of moisture in the building in the cold of winter is freezing, which wears out and destroys the facade of the building. Another adverse effect of moisture is that metals rust in combination with moisture and the wood used in the building rots.

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  How to prevent moisture from entering the building?

  Methods of preventing the infiltration of damp and moisture into the building.
  In order to prevent the infiltration of damp and moisture into the building, there are two methods, which we will mention below:

  1. Carrying out
     drainage means to remove a structure to prevent possible damages of surface and underground water. Drainage is done to reduce the amount of moisture and prevent the settlement of the building. Also, the amount of soil compaction should be kept constant and the pressure on the walls should be reduced.
  2. The use of waterproofing
     is called waterproofing. Waterproofing is available in different forms, such as sheet, powder, liquid and in the form of layers in various thicknesses.
     Moisture insulators have different applications in different places due to the fact that they have different types and are produced from the amount of different material compounds. The performance of waterproofing and their coverage depends on the compounds in them.

  Types of waterproofing

  

  There are different methods of waterproofing. So, waterproofing is placed in two categories, which we will describe:

  Cold performance waterproofing

  In this type of insulation, the powder and liquid parts are mixed and a paint roller or brush is used to implement it, such as RCI and MCI waterproofing.

  Warm waterproofing

  In order to stick this type of waterproofing to the underlying layer, they use flame and heating. Like Izogam and Qirguni

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  Classification of waterproofing materials based on the type of ingredients

  If we want to categorize waterproofing based on the type of ingredients, the following should be mentioned:

  Waterproofing

  Isogam is a pre-made layer that is attached to the surface with special adhesives. The material of this insulation layer is made of bitumen and synthetic fibers, which prevents the penetration of water and moisture to the lower level. One of the characteristics of Isogam insulation is its flexibility. Another feature of Isogam is its light weight and resistance to contraction and expansion. Rotting does not occur in this type of waterproofing and it has a useful life of 10 years.

  bitumen and sack

  One of the common methods of insulation in Iran is the use of tar and sacks. Bitumen and sacking are resistant to water penetration. It has high adhesion and is highly resistant to salts and chemicals. This insulation has a high performance for many years and is considered a waterproof coating. Of course, using this type of insulation also has disadvantages. Among the disadvantages of this insulation is that it decomposes at high temperature and deforms under pressure.

  Liquid waterproofing

  The implementation of liquid insulation should be done using a brush or a spray device. Before applying, the surface must be completely dry and clean. It should be noted that when using this type of insulation, the surface should be checked in terms of slope and protrusion. This insulation sticks to all types of surfaces. The liquid is flame retardant. There is no pollution or physical damage. It is dyeable. It can be easily implemented without the need for expertise.

  Prefabricated waterproofing

  Prefabricated insulations are resistant to contraction and expansion due to their polyester layer. They are light weight and flexible. Another advantage of this type of insulation is resistance to temperatures of +130 degrees and -40 degrees. There is no fracture and decay in this type of insulation. This type of insulation also has disadvantages, including high cost and short life, as well as decomposition due to ultraviolet rays. The storage of this type of insulation must be done at a temperature of 5 to 35 degrees Celsius, otherwise it will rot in unfavorable conditions.

  Spray polymer insulation

  

  This type of insulation, which is made of polymer materials, is very resistant. Its implementation is done by spreading it on the surfaces, without the need for heat. It is not dangerous for the environment and does not produce pollution. Covering the corners with this insulation is easy and has a useful life of 20 years.

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  Nano waterproofing

  This type of insulation is a new and advanced material in which the nano process plays a role in its production. This type of insulation can be used to insulate the roof and facade of the building. This type of insulation has a long service life, is fireproof, has little weight and is considered among the colorless insulations. This type of insulation is used to insulate wood and tiles. This insulation is environmentally friendly.

  Artflex insulation

  Artflex insulation is made using modern technology. This type of insulation is easy to install. It has a low cost and a long lifespan. The flexibility of this type of insulation has caused it to be used in the corners as well. This insulation is very resistant to water penetration. It is easy and convenient to implement this insulation because there is no need for heat to install it.

  Insulation of the facade of the building

  In order not to damage the facade of the building over time, it is necessary to insulate the facade of the building.

  Disadvantages of building waterproofing

  In the rain, the insulation may be destroyed.

  • If it freezes, it can no longer be used.
  • It takes a lot of money to apply waterproofing on uneven surfaces.
    In this article, we tried to introduce some waterproofing products and describe the characteristics of each one.