Home / Installation / Self-Regulating De-Icing Cable – SRK Warmup Heating Cable Installed on a Roof – Layout Example Self-Regulating De-Icing Cable – SRK Underfloor Heating Thermostats Heated Floors Further Questions? Miscellaneous questions - What is the maximum self regulating wattage on a PVC pipe? - What do I do if I have too much or too little NAMSR cable during installation? Installation - Do I need two downspout hanger kits if creating loop in downspout? - What do I do if I have too much or too little NAMSR cable during installation? - Warmup Heating Cable Installed on a Roof – Layout Example - Running Warmup De-Icing Heating Cable in a Downspout - How To Secure Roof Clips by Warmup - Heat Tracing Cable Installation Video - Basic Installation of the Roof Heating Cable