Primers are an essential component of any painting project, providing a foundation for paint to adhere to and helping to ensure a smooth, even finish. Popular brands such as Zinsser, XIM, and Axalta offer a wide range of high-quality primers for different applications. Zinsser is known for its high-performance primers that are specifically designed to provide superior adhesion, stain blocking, and rust inhibition. Their Bulls Eye 1-2-3 primer is a popular choice for both interior and exterior applications and can be used on a variety of surfaces, including wood, metal, and plastic. XIM is another popular brand that offers a range of specialty primers for unique applications, such as its Peel Bond primer, which is designed to adhere to surfaces that are difficult to coat, such as weathered siding and chalky surfaces. XIM's UMA Bonder primer is another popular option for surfaces that are prone to peeling or flaking, providing excellent adhesion and durability. Axalta, a leading global coatings company, offers a wide range of primers for automotive and industrial applications. Their Tufcote primers are a popular choice for industrial and scenic applications, providing excellent adhesion.