I've seen this done many years ago by a guy who did all sorts of jobs where I lived. My dad caught him painting his boss's roof and he was watering down the paint. We've had a hard time trying to get a painter for our house. We've had a guy that had been remmended by a neighbor and he hasn't showed up to paint for 2 weeks. I want to call him and my husband says no. I'm 69 years old and I'm about ready to go and paint our 2 porches, I've painted all my life and all the inside of our home. Maybe that's the way it should be with everyone that can paint pretty good.
If you don’t have any lead in your paint, then it’s time to start scraping. Begin with a hand scraper to remove all of the loose paint and tight spots. For larger easy to reach areas, a rotary sander is the tool for the job. You’ll need eye protection and a respirator. The sander is powerful, so you have to be careful not to damage the wood while removing paint. Any paint that is cracked, blistered, or peeling needs to go. Next, smooth the transitions from the bare wood you’ve revealed to the existing paint.
Denver House Painters of Colorado