Unopened water-based (latex) paint can last anywhere from one to ten years, depending on the manufacturer and proper storage conditions. While there isn't a single exact answer across all brands, reputable manufacturers provide specific guidelines for their products.
Manufacturer Estimates for Unopened Water-Based Paint
The shelf life of unopened water-based paint can vary significantly by brand. Here's a breakdown of estimates from leading paint manufacturers:
- General Range: Water-based latex paint is generally estimated to last between two and ten years when unopened.
- PPG Paints (Glidden Paints): PPG, a prominent paint manufacturer, estimates that an unopened can of latex paint has a shelf life of two years before it may go bad.
- Sherwin-Williams: Sherwin-Williams indicates that the shelf life for some of their paints is approximately one year.
This variation highlights the importance of checking specific manufacturer recommendations, although the provided information gives a solid overview.
For more detailed information on paint lifespan and signs of expiration, you can refer to resources like The Spruce.
Summary of Unopened Water-Based Paint Shelf Life
To provide a clear overview, here's a summary of the estimated shelf life for unopened water-based paint from the referenced sources:
| Category/Manufacturer | Estimated Unopened Shelf Life |
|---|---|
| General Water-Based | 2 to 10 years |
| PPG Paints | 2 years |
| Sherwin-Williams | 1 year (for some paints) |
Proper storage in a cool, dry place away from extreme temperatures can help maximize the longevity of your unopened paint.
