How to Store Spray Paint in a Garage Put the lid on the can prior to storage. Store spray paint cans in the garage only when the temperature is between 55 and 80 degrees Fahrenheit. Keep spray paint on a shelf in a dry spot and away from flames, sparks or direct sunlight, which can also cause the cans to burst. Click to see full answer. Likewise, how long does spray paint keep?Batteries: 10 years. Paint: Up to 10 years unopened, 2-5 years opened. Spray paint: 2-3 years. Motor oil: 3-5 years unopened, 3 months opened.One may also ask, can you store spray paint in the cold? Aerosol Cans Spray paints, aerosol spray cleaners, or air fresheners tend to freeze but are just fine once returned to room temperature. To prevent them freezing, keep that at room temperature inside your home for accessibility or in a climate controlled storage unit. In this regard, is it OK to store spray paint on its side? Re: Storing Spray Paint Cans It shouldn’t hurt them laying on their side as long they are properly shaken before use.How do you store aerosol cans?They are stored in general purpose warehouses, store rooms, retail outlets, and in workplaces where they are usually stored in cupboards and open shelves. When exposed to fire, aerosol cans will either violently rupture or produce burning jets of flame.