Choose your country.
Applicable for
The heating pipes should be covered by at least 30 mm of cement subfloor.
Shrinkage gaps cut in the sub floor in the case of large areas must be filled with polyester, epoxy resin or the like before installation.
Careful professional installation of the sub floor (it must be solid, especially with good surface stability, etc.) is important for good quality in all types of floors.
Maximum sub floor moisture measured with the CM instrument:
• Cement 1.8% (2.5% without floor heating)
• Flow anhydrite 0.3% (0.5% without floor heating)
Measurements with a digital meter is for indication only. CM measurement is a requirement for installation.
After the sub floor has essentially reached its final consistency, the heating should be run for at least 14 days. It is sufficient run the system at approx. 2/3 of the maximum flow temperature. In the middle of the pre-heating period, the heating power should be gradually turned up (max. 5°C/day) to the maximum temperature for at least 5 days. Two days prior to installation of the wooden floor, the heating should be turned off, or depending on the outdoor temperature, reduced until the surface temperature of the sub floor falls below approx. 20°C.
The heating can be restarted (max. 3°C/day) the earliest 2 days after the installation. Heating or cooling should always be done gradually, also after a vacation. Sudden differences can be the cause of permanent damage to the floor. The maximum surface temperature of 28°C may not be exceeded. The humidity must remain between 40% and 55%. If necessary, keep an eye on this with an air humidity meter.
Attention! After the installation of your floor on underfloor heating, this may not be covered with materials that are not air and heat permeable. This ensures heat accumulation that can lead to irreversible damage to the floor.
Our experts are ready to help you with free advice. Don’t hesitate to contact Pieter and his colleagues by email or telephone.
