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How Does Condensation Occur in a Building?

What is Condensation in Buildings?

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What is Condensation in Buildings?

    What is Condensation and Condensation in Buildings?

    It is the accumulation of water that occurs in the inner parts of the building elements and cannot be noticed at first. If this accumulation of water inside the building can be thrown out as a result of detailed physical events, there is no random danger in the building. Otherwise, it will damage the building elements. Therefore, the water vapor condensation inside the building element should not exceed a certain limit. Exterior jacketing  application prevents condensation in buildings .

    The air that people breathe in consists of two parts as dry air and water vapor. The humidity level in the air changes according to the climatic conditions. This amount can be changed by introducing moisture into the air or by removing moisture from the air. However, the humidity level change cannot exceed a certain limit. This limit is the saturation limit of water vapor in the air. Air that has reached the saturation limit is called saturated air. No more water vapor can be given to the saturated air purpose.

    The level of partial pressure of water vapor in the air to the partial pressure of water vapor detected in saturated air at the same temperature is defined as relative humidity.

    Relative humidity does not indicate the absolute value of moisture detected in the air. The amount of moisture corresponding to a unit volume of moist air is defined as absolute humidity.

    As a result of changes in temperature and water vapor level in the air, the mass and volume of moist air changes. However, in order to calculate the moisture amount in air-conditioning processes simply, the moisture amount should be given based on a fixed value. The only size that does not change in air is the dry air mass. The level of water vapor mass to dry air mass is defined as specific humidity.

    The level of dry air and water vapor mass in humid air to the volume of moist air gives the density of moist air.


    The saturation temperature of the air for a given humidity level is defined as the dew point temperature. Condensation occurs when the temperature in the saturated air drops below the dew point temperature.


    When the water vapor detected in the air comes into contact with a level below the condensation temperature, the water vapor in the air condenses. The conversion of condensation to water is called transpiration. Sweating is related to dew point temperature.


    They are the material layers that prevent by cutting the water vapor presented in the construction. In practice, it is impossible to completely cut off water vapor. But it is sufficient to reduce the spread of water vapor as much as possible. It is necessary to cut the water vapor in the hot area of ​​the building element.


    According to an air layer of the same thickness under the same temperature and atmospheric pressure conditions; It is a dimensionless quantity constant that shows how much the resistance of a layer of material is. The diffusion resistance factor of air is 1.


    The resistance to water vapor diffusion is defined as the specific resistance.


    It is the product of the material thickness S and the water vapor diffusion resistance factor. It is denoted by “r”. r=µ.S


    It is the product of the physical property of the materials that allow the passage of water vapor and the unit thickness of the material.

    Permeability = Water vapor permeability stability x Unit thickness


    In a construction, if the vapor pressure is different between the two sides of the construction, vapor diffusion occurs from the surface with high vapor pressure to the surface with low vapor pressure. Vapor diffusion takes place in the form of molecular transport from volumes with high moisture content to volumes with low moisture content. What is sheathing? You can also use our article.

     It will be possible to provide comfort in your buildings with thermal insulation materials of varying thickness and densities  .  In addition to the sheathing processes, the trick is to make thermal insulation, which can be applied later on  ,  and you can have thermal insulation  programs done by  using  the best sheathing materials for your needs  . Materials preferred for sound insulation allow the application of " heat insulation " by applying them later to the structures.
    " Exterior cladding " can be made  on the exterior walls, roofs, soil contact areas of the buildings, the floors separating the floors, the parts facing the unheated sections such as the warehouse and garage, and the cold storages . Among the water-resistant exterior materials  , " eps wall cladding sheets " come to the fore with their decorative feature.  The building offers many advantages in exterior decoration .
    Exterior styrofoam coating materials  are economical other " exterior sheathing "  material options . It is an exterior cladding foam materialthat wraps the facades of buildings with exterior panels If the rising natural gas bills in the winter months bother you, if you want to keep the coolness of your home in the summer, these " exterior coating types " are a practical technique that will cure your troubles. It will more than meet your "insulation" needs. Because it is possible to prevent different degrees of heat transfer with sheathing materials , which we call " building exterior cladding systems " 

  • What is Sheathing?, How is Sheathing Made?
  • What are the Benefits of Thermal Insulation?
  • What is Exterior Cladding?, External Wall Cladding (Sheathing) Methods
  • Why Is Thermal Insulation Important?
  • Where is Sheathing in Buildings
  • What Is External Wall Sheathing? How to Use Sheathing in Construction
  • What is External Wall Thermal Insulation?, What Does Thermal Insulation Do?

    Discover Jambs, Thermal Insulation and Exterior Wall Cladding Materials in Buildings at Metpor! The Best Sheathing, Jambs, External Wall Cladding and Polystyrene Thermal Insulation Supplies, New Generation Eps Styrofoam Insulated Facade Cladding Panels Manufacturing at Economical Prices in Metpor Istanbul. You can use our communication channels for 2023 Exterior Cladding Manufacturing Export and Import.

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