Anchoring an outdoor table on a limestone patio requires careful consideration to ensure stability without damaging the stone. Here are the best methods to achieve a secure setup:

1. Use Weighted Bases: Place sandbags or concrete weights at the table legs to add stability. This is a non-invasive option ideal for temporary setups.

2. Drill and Anchor: For a permanent solution, drill holes into the limestone and use masonry anchors or epoxy to secure the table legs. Ensure you use a hammer drill and wear safety gear.

3. Adhesive Pads: Apply heavy-duty outdoor adhesive pads under the table legs. These provide grip without drilling, though they may need occasional replacement.

4. Freestanding Umbrella Base: If your table has an umbrella hole, fill a weighted base with sand or water and attach it to the table for added stability.

5. Custom Brackets: Install stainless steel brackets screwed into the limestone, then bolt the table legs to them. This offers a sturdy, long-term solution.

Always consider the patio’s slope and weather conditions when choosing your method. For windy areas, combining weights and anchors is recommended. Regular maintenance checks will prolong the setup’s durability.