When dehumidification is used to dry out buildings and materials, the dehumidifier runs continuously. As the RH value decreases, the overall dehumidification capacity will also decrease. Note that the drying process is quickest in the beginning as the water content is very high when you start the process. This means that two CDT 40 units should do the job. We need a dehumidification capacity of 21.65 L/24 hoursĬDT 40. We need to remove 649.6 L water in 30 days: T = 20☌ and 50% RH (average between starting humidity at 60% RH and ending at approx. The floor, however, needs to be dried out as it is made from 10cm thick concrete, K 40 II. The walls and ceiling are made from pre-dried wood.
The building is 2.4m high, 7m wide and 16m long. In this example, we want to calculate the dehumidification capacity required to dry out excess water from a newly constructed building in 30 days. Water content of different building materials (kg/m 3 ) The water content of various building materials differ so much that a simple rule of thumb is unworkable. Please note that in relation to drying out a newly constructed building, it all comes down to the specific building materials used for walls, floors and roofs. Sometimes, you can estimate the amount of water in the building materials using tables. When selecting a dehumidifier for drying out a building, you need to determine how much water to remove and the amount of time you have to do it. This means that dehumidification is required to remove the excess water in the various building materials before the building can be occupied. Today, however, construction work is very efficient and much faster. Historically, construction work on an average building went on for 6-9 months and the building materials were usually dried out by natural ventilation by the time the building was finished.
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you only have a limited amount of time to get the job done.ĭownload our “ Selection guide for mobile dehumidifiers ” for professional guidance on how to apply mobile dehumidifiers at construction sites and how you choose the right one for your project. In case of drying out a newly constructed building, you should keep your air change low, but the most important parameter to consider is the water content in the various materials used.
Drying out screed, plaster and paint can be time consuming but with the right dehumidifier you can speed up the process eliminating excess water content in the building materials.ĭehumidification is often required to dry out excess water content in materials in connection with construction work. The digital thread ties together a connected ecosystem for manufacturing and, with the addition of domain expertise and intelligence, enables continuous learning and improvement.In the construction business you are often under tight deadlines to get the job done. Our hardware solutions use metrology to bring real-world physical attributes to the digital thread to improve the accuracy of operations.
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