That's an excellent question! As a fellow outdoor living enthusiast, I know you want your benches to look great and last for years. There's no single timeline that fits every bench, as it depends heavily on the material, climate, and finish quality. However, a good general rule is to inspect and consider refinishing wood benches every 2 to 3 years. For metal benches, repainting might be needed every 3 to 5 years, or when rust appears.
Don't just watch the calendar—let the bench tell you when it's ready. Key signs it's time for a refresh include: the wood looking gray, dry, or cracked; the stain or paint noticeably fading or peeling; water no longer beads up on the surface; or any soft spots developing in the wood.
Several factors will shorten or extend that 2-3 year window. Direct, harsh sunlight and extreme weather (heavy rain, snow, humidity) are the biggest culprits. The type of wood and the quality of the initial finish also play huge roles. A bench under a covered porch will last much longer than one in an open, sunny garden.
To maximize time between jobs, start with a high-quality, UV-resistant stain or paint designed for exteriors. Apply it to a perfectly clean, dry, and sanded surface. A simple annual cleaning with mild soap and water removes damaging dirt and mildew. Consider using a protective cover during harsh winter months.
Ultimately, proactive care is the secret. A weekend of maintenance every few seasons will preserve your bench's beauty and structure for decades, making it a lasting spot for relaxation in your garden.