How to Safely Remove a Radiator for Decorating (and When to Call the Pros)Thinking of taking a radiator off the wall so you can get a flawless paint or wallpaper finish? It’s doable as a DIY job, but be warned: radiators are full of murky “black sludge” (magnetite) that will happily stain carpets and walls. Removing one incorrectly can also introduce air into your heating system, cause leaks, or leave you with a cold house if you can’t get it bled and balanced afterwards.If you’d rather avoid...