Pressure wash the exterior surface to remove all dust and flaking paint. Allow the surface to dry.
Scrape away all flaking paint with paint scraping tools and wire-bristled brushes.
Smooth out rough surface areas with an orbital sander using 120-grit sandpaper.
Caulk all open cracks, seams and joints in woodwork and around window sills.
Spot prime all bare wood with a bare wood primer using a paintbrush or mini roller.
Mask off all windows, sidewalks, flower beds, hardware and light fixtures with masking tape and paper. Use painter's plastic or drop cloths to cover large ground areas.
Prime a paint sprayer with exterior primer paint following the paint sprayer's instruction manual.
Spray the body and trim of the exterior, keeping the spray gun at an even distance from the surface.
Back roll the primer paint using a 9-inch roller frame, a 1-inch roller nap cover and an extension pole. Roll the primer paint up and down to even out the highs and lows in the paint and to squish primer into the uneven surfaces.
Clean primer paint out of the paint sprayer following the paint sprayer's instruction manual.
Load the paint sprayer with exterior finish paint following the instructions in the paint sprayer's manual.
Remove the nap used for the primer paint and replace it with a new 1-inch nap cover.
Spray the body and trim exterior surfaces with paint.
Back roll to even out the finish.
Remove all masking materials after spraying is complete.
Clean out the sprayer and rollers.