I would suggest you add some drywall to your ceiling and then you paint it. However, be very careful when removing your popcorn ceiling and wear a face mask since...
steel hammerMember since 07/15/18
I recommend you add a high quality exterior caulk. Also, don't use posts with sapwood.
I'm not sure if it's possible to turn interior paint into exterior paint. The paints are made up differently and have a different type of resin. Therefore, I don'...
I've never heard of this being done before. I'd contact a builder and see if they have any ideas on how to tackle this project.