The answer to 'when to replace gutters' is that gutters typically need to be replaced every 20-30 years, depending on the material and local climate conditions. Gutters made of aluminum or galvanized steel can last 20-25 years, while copper or stainless steel gutters may last 25-30 years. However, factors like severe weather, poor maintenance, or damage can shorten their lifespan.
It's important to regularly inspect your gutters for signs of wear and tear, such as cracks, holes, sagging, or peeling paint. If you notice any of these issues, it's generally time to consider gutter replacement to prevent water damage to your home's foundation, siding, and landscaping.