Life’s too short for boring, grungy radiators. That’s why I’m sharing all the intel you need for a DIY radiator makeover! Keep scrolling for my simple how-to guide plus a round up of my favorite painted radiators to get your inspo on!
So You Want To Paint Your Radiator: A How-To Guide
1) First order of business is cleaning the radiator, because painting on a dirty surface doesn’t work so well (duh). So give that baby a serious wipe down!
2) Next, lightly sand your radiator to remove loose paint flakes and roughen up the surface, ensuring nice even paint coverage. For this you can use steel wool, sandpaper, a metal bristled brush…UNLESS you think there could be lead paint on it- then definitely do not sand it! Lead dust is no joke. (The U.S. didn’t ban lead paint until 1978, so if your home is older than that, don’t chance it!)
3. Before you start painting, there are a couple key steps to prep the area.
Open the windows for plenty of ventilation (this is not optional; your lungs and central nervous system will thank you!). Paints and cleaners are full of chemicals and proper ventilation is a serious matter. My father-in-law used a strong boat cleaner without proper ventilation and he lost most of his sense of smell as a result!
Use plastic trash bags or newspaper and painter’s tape to completely cover the surrounding floor and wall. Cover more than you think you’ll need to because the fine mist of spray paint can really travel and you don’t want to get stuck repainting walls at the end of this!
Make sure your radiator is OFF for the duration of painting and drying! This is a great summertime project, although I’ve done it in winter too.
4. OK, time to pick your spray paint- you definitely want your paint in spray can form. I speak from experience: Using a paintbrush will end up looking shitty. Here are a few bullets to assist you in choosing the right paint:
Contrary to what you may hear or read, you do not need to use special high temperature paint because traditional residential radiators don’t actually get hotter than a couple hundred degrees.
If you have cast iron radiators, putting latex based paint directly on them can cause rust, so start with Rustoleum Red Oxide primer in the spray can if your cast iron radiator is naked. I didn’t use any rustoleum primer on my cast iron radiators, but I left the previous paint on and just sanded it a bit (after testing for lead to be safe) before spraying on a paint-and-primer-in-one and I’ve never had any rust issues.
Opt for a spray paint that includes primer unless you’re using the Rustoleum spray-on primer first.
Check the label on the can to ensure it’s safe for use indoors.
There’s a heated debate about oil versus latex based paint for radiators. Technically latex isn’t as durable, but I’ve never had any issues with it when used on top of an older coat of paint. Maybe that’s because I’ve used latex spray paint that includes primer. So really the choice is up to you, and depends on the state of your radiator.
The spray paint can take a couple of days to finish outgassing once the heat comes on, which basically means it will give off an especially strong new paint smell, but this is not harmful according to the can label and a few handymen I’ve spoken too. If you have a baby and you’re worried about this, please get a second opinion rather than take my word for it.
5. Paint and enjoy! You’ve successfully transformed a boring functional fixture into a fun room accent! Need some inspo for your project? Our Bohoditional Style Pinterest board has lots of painted radiators for you to drool over. Scroll down for a sampling of my favorites: