Ceiling Heating kit for Clay Plaster, Lime Plaster or Gypsum Plaster
Retrofitting a naturally healthy room climate
The FLEXIRO water-bearing ceiling heating kit allows the ceiling to be used as a heating surface. It is installed using special honeycomb elements into which a 10 mm PE-RT composite pipe is inserted. This results in a low installation height of 11 mm and, depending on the thickness of the plaster layer, relatively high heating outputs. The low height enables installation in rooms with low ceilings.
Clay, gypsum or lime plasters that are suitable for surface heating are used. The kit includes an RTL valve for connection to conventional heating systems. Special plug-in connections for the heating pipe allow easy installation with few tools.
Plaster ceiling heating is always the right choice when users are familiar with plastering techniques and high heating outputs are required. The use of natural materials such as clay helps to create a healthy indoor environment by improving humidity control and providing even, dust-free radiant heat. Ceiling cooling is also possible with the system.
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Technical data - Ceiling heating kit plasterHeating capacity and other technical information263 KB
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The dew point is the temperature at which the air is 100 per cent saturated with water vapour. It depends on the room temperature and the relative humidity. If the air in the room is cooled to the dew point by the ceiling cooling system, condensation forms. This formation of condensation on the cooling ceiling must be reliably prevented.
How can condensation be prevented?
There are various ways to keep condensation at bay:
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Air Conditioning or Dehumidification of Indoor Air
Targeted dehumidification can lower the dew point, thereby extending the permissible cooling operation. However, such a solution is relatively complex and is rarely used in single-family homes. -
Dew Point Monitoring via the Heat Pump Control System
Some heat pumps or their control systems already feature integrated dew point monitoring. In this case, the permissible flow temperature is limited based on room temperature and humidity. -
Use of a Dew Point Monitor
A dew point monitor can be installed at a location where condensation is most likely to form first during cooling operation, such as at an uninsulated or critical point in the piping or distribution system. If the sensor detects the onset of condensation, cooling operation is interrupted or the cooling water supply is limited accordingly. -
Separate Dew Point Calculation via the Higher-Level Control System
Alternatively, dew point monitoring can be integrated into the building or heating control system. To do this, the room air temperature and relative humidity are measured, and the current dew point is calculated from these values. The control system then ensures that the flow temperature remains above the dew point by a sufficient safety margin.
Regardless of the solution chosen, reliable dew point monitoring is very important for the safe operation of surface cooling. Simply setting a fixed limit on the flow temperature is less reliable, since the dew point can change continuously depending on the temperature and humidity in the room.
It should also be noted that all cold-water pipes and components between the heat pump and the surface cooling circuits must be insulated to prevent moisture diffusion. Otherwise, condensation can form there as well.
We are a manufacturer of components for ceiling heating systems. We cannot provide planning or installation services. In individual cases, however, we can put you in touch with an HVAC installation company. If you send us the key details of your modernisation project, we can match the location with our database of installers.
You are a HVAC company and would like to install FLEXIRO sets? Please get in touch with us.
The weight of the ceiling heating with plastic pipe is 9.05 kg/m² when filled with water. The copper pipe variant weighs 12.58 kg/m².
FLEXIRO meets the Trusted Shops quality criteria
- Certified since 2013
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- More than 400 positive reviews
How to turn a FLEXIRO ceiling heating system into a cooling ceiling in the summer trending_flat 4 Possible solutions
- What water cooling options can be considered?
- What cooling capacity can be expected?
- How can the chilled ceiling be controlled?
We provide answers to the most important questions when retrofitting a cooling ceiling.
