That's a great question! Scratches on patio tiles from a heavy trash can are a common and frustrating problem. The good news is, preventing it is usually straightforward and inexpensive. Here are a few effective solutions you can try.
First, consider using a protective mat. A heavy-duty rubber mat, a outdoor-rated rug, or even a scrap piece of outdoor carpet placed under the can creates a soft barrier. It absorbs the friction when you drag or move the bin. Look for mats designed for patios or garage floors for the best durability.
For a more discreet option, apply furniture pads or glides to the bottom of your trash can. Stick-on felt pads (the kind used for chair legs) work well for lighter cans. For heavier rolling bins, heavy-duty plastic or rubber glides are more suitable. Just clean the bottom of the can thoroughly before applying them to ensure they stick.
If your can has wheels, make sure they are clean and roll smoothly. Grit and debris stuck in the wheels act like sandpaper on your tiles. Regularly hosing off the wheels can help. You could also consider upgrading to trash cans with larger, softer rubber wheels designed for delicate surfaces.
Finally, the simplest tip is to practice mindful placement and movement. Try to lift the can slightly when repositioning it instead of dragging it. Finding a semi-permanent spot for it, perhaps on a grassy edge if possible, can completely eliminate the issue.
With one of these simple methods—a protective mat, furniture pads, maintained wheels, or careful handling—you can easily protect your patio investment and keep it looking its best.