How long will Rust-Oleum paint last?

How long Rust-Oleum paint will last depends on product type, surface preparation, exposure, and whether it is interior or exterior, but typical lifespans are well documented. For Rust-Oleum spray paints like Painter's Touch 2X and Stops Rust Protective Enamel applied over properly prepped metal with primer, exterior durability is 5 to 10 years before needing recoat, with good rust prevention and color retention if two coats applied. Without primer or with poor prep over rust, it may last only 1 to 2 years before peeling. Rust-Oleum Professional High Performance Enamel lasts 7 to 15 years in industrial settings due to higher solids. For interior metal furniture, Rust-Oleum can last 10 plus years with minimal wear. For wood or craft projects with Painter's Touch, interior lasts many years, exterior 3 to 5 years. Rust-Oleum high heat paint for grills and engines lasts 2 to 5 years under heat cycling. For concrete floor paints like Rust-Oleum EpoxyShield, garage floor coating lasts 5 to 10 years with proper prep. For Zinsser primers under topcoat, they extend topcoat life significantly. Factors shortening life include constant moisture from overflowing gutters, UV exposure, salt air, and not removing loose rust before painting. To maximize life, remove loose rust, clean, apply rusty metal primer, then two coats topcoat, and maintain surface. Properly applied Rust-Oleum often outlasts cheaper spray paints.