Be sure to turn the vent cover over so you can paint both sides.
Can you paint air return vents.
Condition the grilles with a special etching primer formulated with an acid base.
Once the return grilles are primed they will accept paint.
It will really make your vents look so clean and fresh instantly.
Painting your air vents to match your wall color makes them blend in with the wall leaving your furniture or artwork as the focal point of the room.
This is the best design decision.
Carefully wash the vents and rough them with steel wool or a scotch brite so your paint will adhere.
Do you have some vent covers who could need some updating.
Head outside to your driveway or garage door open and pop the vent covers in a cardboard box to contain the over spray.
Brush paint the vents after they air dry when the paint has dried reinstall.
So you ll be fine.
Let dry then add another coat or two until you ve achieved solid coverage.
But if you think about it the hallway you painted those fumes get pulled through that return anyway.
You could definitely paint plastic vents.
Spray the vent in a well ventilated area.
Air return grilles are metallic a characteristic that leaves them less suited for paint than porous drywall.
Probably will require 2 coats.
Or have you ever spray painted your vent covers.
However you can also purchase a decorative air vent that matches the design aesthetic of the room.
This is a great upgrade project to do if you are planning on selling your home too to make it more appealing to buyers.
Paint will off gas and that does bother certain people and in reality isnt good for anyone.
Spray the vent with a metal primer.
So if you are looking to do some simple upgrades clean off those vent covers and give them a coat of spray paint.
Give the spray paint can a good shake then use even strokes to apply the paint.
I agree with painting them.
I would just clean them really well and then look for the spray paint that s meant for plastic to be sure it will really stick.
So in essence its no worse to paint the inside of that return as it is to paint the house.
If you are inside open windows before spraying and wear a paint mask to keep from inhaling paint particles and fumes.
Remove them from the wall to paint the wall.
The problem with this method is that the paint tends to ooze through the holes which leads to a partial blockage.