I am currently in the process of remodeling my basement. I want to add hydronic radiant heat above the slab and also joist cavity hydronic radiant heat in the floor joists to heat the main floor. The slab installation appears pretty straight forward. However I have a question I cannot seem to find an answer to anywhere...Since this house is an existing construction home and the house already has wiring completed, is it even possible to install radiant heat in the joist cavity? Would the heat after the reflective barrier is installed increase the temperature in the joist enough to degrade or damage the existing wiring's insulation? There is curently electrical, telephone, lan and cable lines already running through the joists. Lastly, if it is safe to use this type of heat in the joist cavity with existing wiring, is there a minimum distance the tubing must be kept away from the wiring? Your help is greatly appreciated. I am at a stopping point with my installation until this question is answered.

is hydronic radiant heat safe to install in joists with existing wiring??