They also have to prepare the surfaces so the paint will adhere properly. This may mean washing the walls and trim to remove dirt and grease, stripping away old paint and filling cracks and nail holes.
Painters also choose the best ways to apply the paint they re using.
They use brushes, dip or fountain pressure rollers and sprayers. For exterior jobs on tall buildings, painters often assemble scaffolding and swing stages , which are platforms suspended by ropes or cables from roof hooks. Some jobs require working outdoors, but good weather is necessary for paint to bond and set properly. Stamina is necessary for painters to stand for long periods and work with their arms raised. The job also requires a lot of climbing and bending.