Originally Posted by joe3534
I live in South Florida and am getting ready to paint the exterior of my home. I was given conflicting information regarding pressure cleaning, sealing, then painting vs. not to pressure clean. I was told not to pressure clean because the force of the water causes water to enter deep into the stucco through fine cracks etc.. This then results in blisters or peeling paint when the water begins to escape. What are your thoughts? Also should I use a sealer or a primer?
Pressure washing isn't necessary, just low pressure cleaning will be enough. It's true that if water penetrates, and isn't allowed to dry thoroughly, you'll have problems later. Maybe even with inside walls.
The main concern is chaulking. A good cleaner, applied liberally, will remove the chaulking as well as dirt. You don't need 1000/lb. of pressure to do it.