Glossary
Shelf life
How long a product is expected to remain usable when stored correctly.
Plain-English definition
How long a product is expected to remain usable when stored correctly.
Why it matters
This term helps you read product labels, follow instructions and decide whether a material or fixing suits a general DIY job.
Common mistake
A common mistake is treating the term as a promise that something is strong enough for every use. Always check the exact product and avoid safety-critical assumptions.