Outdoor trash cans often develop a sticky, asphaltic residue due to heat, waste decomposition, and chemical reactions. To prevent this issue, follow these practical steps:

1. Use Liners or Bags: Always line your trash can with durable plastic bags to create a barrier between waste and the bin’s interior. Replace them regularly to avoid leaks.

2. Regular Cleaning: Wash the trash can monthly with a mixture of warm water, dish soap, and baking soda. For tough residue, use a degreaser or vinegar solution.

3. Avoid Oily or Greasy Waste: Dispose of cooking oils and greasy materials separately, as they contribute to sticky buildup.

4. Keep Lids Closed: Prevent rainwater and sunlight from accelerating residue formation by keeping lids tightly sealed.

5. Apply Non-Stick Spray: Lightly coat the interior with a food-safe silicone spray to reduce adhesion.

By implementing these measures, you can maintain cleaner, odor-free trash cans and extend their lifespan.