Usually warm floor is heated no higher than 27 degrees. This is enough for a comfortable residence. But, if you want to install a warm floor under a natural wooden parquet, then this value will be significantly lower. Wood — living material and it cannot be overheated to avoid damage. An additional insulating film is needed directly under the parquet. The thickness of the parquet board should not exceed 13-15 mm. It is categorically not recommended laying a warm floor for a parking or maple parquet. These materials will change their appearance from heat passage.
