Can Fireworks Expire?
How Long Do Fireworks Last? (Shelf Life) Storage Conditions Expected Lifespan Notes Cool, dry, indoor storage 5–10+ years Most common for good-quality consumer fireworks. Climate-controlled storage 10–20 years Fireworks stay almost as good as new. Hot, humid garage or shed 1–3 years Moisture ruins powder and fuses. Outside storage Months Unsafe; fireworks degrade quickly and …