Continental Tires Storage
Don't abandon your tires somewhere in a corner - you won't do them any good that way!
Before changing your tires, use a piece of chalk to mark the running direction & where they were fitted (e. g. lf = left front wheel; rr = right rear wheel). Then clean the tires thoroughly, removing bits of gravel. Tyres should be stored in a dry, cool, dark room away from oil, petrol, grease & any other chemicals, as these attack the tire compound & can therefore drastically reduce the service life of your tires.
Tyres on rims should never be stored standing up - they should be hung up or stored lying flat (ideally on a wooden pallet).
However, tires which are not fitted on rims should be stored upright & turned slightly every four weeks to avoid pressure points occurring. They should not be hung up or stacked on top of one another.
If you wish to avoid the effort this involves, many specialist tire dealers offer a relatively low-cost tire storage service which ensures your tires are kept correctly.
Before putting your tires back into service after storage, you should have them checked for damage & wear, & also to assess the remaining tread depth & any potential imbalance. This is a service offered by all specialist tire dealers & helps you to avoid uneven wear.