Spray painting is quickly gaining traction because it's fast, versatile and delivers high-quality results. Also, this technique allows you to upgrade your facility's paint without spending too much money. Check out more reasons you should opt for spray painting over the conventional methods. Spray Painting Is Affordable With the traditional brush, you will need a huge labour force to get the job done, which translates to high labour costs. You also take a long time to complete a single painting project.