Rust-Oleum Peel Stop is a 1-gallon flat primer that effectively prevents peeling paint and prepares surfaces for topcoats. This versatile primer is designed for use on various materials, including wood, metal, and masonry, making it suitable for both indoor and outdoor applications. The formula penetrates and seals damaged areas, ensuring strong adhesion for subsequent layers. With a low-VOC content, it minimizes odor during application, making it a practical choice for home improvement projects. Achieve a smooth, professional finish with this essential primer.