How To Repair A Flagstone Patio

When it comes to creating patios, flagstone is one of the most preferred choices. Not only do these stones increase the visual appeal of the house but are also durable and last for decades if done by backyard patio builders. However, due to several external factors or simply the age, flagstone patios might need repairs. In this article, we are going to share some tips that will help you repair your flagstone patio.

Step 1: Remove The Flagstone

Flagstone patios are made from pieces of flagstones that are cut and shaped in different sizes to match the needs and preferences of people. The shape and dimensions of the stones also vary based on the layout of the patio. If you have a flagstone patio in your house, it will need an overhaul after a decade or so. Even though the stones are durable as mentioned earlier, but the foundation sometimes gets disturbed.

Therefore, in most cases, it is not the flagstones that need to be replaced or repaired but the foundation underneath, which mostly includes soil and sand correction. Flagstones are quite tough and rigid and will only crack or damage under extreme damage.

With that said, the first step of repairing a flagstone patio involves removing the flagstones. It is advised to remove and place the flagstones, in the same manner, to avoid confusion while re-installation. To properly place and shape a flagstone patio, you are going to need sand. Once you have removed the existing stones, assess the condition of the sand and decide whether you are going to need more for the purpose.

Step 2: Level And Loosen The Sand

If your flagstone patio is well over 10-15 years old, you can expect the sand underneath to become hard. Therefore, you will need to loosen up the sand first, which should be easy. Then, grab a rake and distribute the sand over the entire area until it has become leveled. Make sure that there is enough sand for the flagstones to be placed without any gaps.

Another major reason behind removing the existing flagstones and assessing the patio area is to remove any weeds or shrubs that might be growing. Ignoring these will not allow the flagstones to sit properly in their place and will lead to gaps, which is the last thing you would want on your list.

For your patio to end up with the perfect finish, you need to create the perfect foundation. Otherwise, when it is time to place the flagstones, you will notice a significant difference in the leveling that will ruin the entire appeal of the project.

Step 3: Apply Mortar/Sand

Now that you have leveled the foundation and properly placed the flagstones, it is time to apply mortar. However, if you still have any loose stones, you should apply special glue and make sure the stones are in place. Then, clean the flagstones using a pressure washer and remove any crumbling grout that you might have missed.

Next, wet the surface of the flagstones and pour the mortar or readymade sand onto the entire patio. You can also do one section at a time. This is the most important step of the entire repair process. You need to be absolutely sure of working the mortar/sand into the joints. There should not be any missed gaps.

You can use a hard brush broomstick to make the mortar fill the gaps. However, when it comes to tight areas, you might need a shovel or any other tool that gets the job done effectively. Once the gaps have been covered, use a coarse broom to remove the residual sand/mortar by sweeping. Then, grab a soft broom and work your way on the patio just as a final check to remove any leftovers.

Step 4: Polish The Flagstones

Now that the patio is in place, allow it to rest until it dries properly. Depending on the weather conditions, you might need to wait several days or a week. Once it dries properly, it is time to bring out the shine.

Make a mixture of white vinegar and warm water. Do not use any other vinegar type as they can stain the flagstones. Spray the solution onto the flagstones and let the solution sit for about 30 minutes. Finally, rinse it with clear water.

Final Word

Repairing a flagstone patio mainly involves correcting the foundation and ensuring the stones sit properly without any gaps. Use the right type of mortar to fill the gaps and maintain the patio by sweeping at least once a week. Plus, wash your flagstone patio using white vinegar and warm water mixture to maintain its look for years to come. Get patio contractors Long Island to repair your flagstone patio professionally.

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