How To Repair Loose Flagstone Patio

A loose flagstone patio can be a tripping hazard and an eyesore. Fortunately, it is a relatively easy fix that can be completed in a few hours. Here are the steps on how to repair a loose flagstone patio:

1. Remove the Loose Flagstones

Use a pry bar to carefully lift the loose flagstones. Be careful not to damage the surrounding flagstones.

2. Clean the Base

Once the loose flagstones are removed, clean the base of the patio with a broom or a power washer. Remove any dirt, debris, or weeds.

3. Apply Mortar

Spread a thin layer of mortar over the base of the patio. Use a trowel to smooth the mortar out.

4. Reset the Flagstones

Place the flagstones back in place on the mortar. Use a level to make sure the flagstones are level.

5. Tamp Down the Flagstones

Use a rubber mallet to tamp down the flagstones. This will help to secure the flagstones in place.

6. Allow the Mortar to Cure

Allow the mortar to cure for at least 24 hours before walking on the patio.

Tips

Here are a few tips for repairing a loose flagstone patio:

Use a mortar that is specifically designed for outdoor use.
If the flagstones are cracked or broken, they will need to be replaced.
To prevent the flagstones from becoming loose again, seal them with a penetrating sealer.