Thank you for sharing your experience with Rust-Oleum Zinsser Cover Stain Oil-Based Primer. Please keep in mind, the life of a coating is dependent on several factors, including the condition of the surface and the elements it is exposed to. With a primer the topcoat used can also factor in. With this primer, with proper surface prep and application, it will last for several years.
- Rust-Oleum Product Support 3