Repairing Guides

how to repair a stone walkway

by Ms. Pascale Rempel Published 3 years ago Updated 2 years ago
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Steps:

  1. Pry up the walkway stones with a flat bar.
  2. Use a shovel to scrape all the existing sand from beneath the stones.
  3. Mix stone dust and water in a wheelbarrow to create a mortar setting bed.
  4. Shovel some stone-dust mortar onto the concrete base.
  5. Smooth the mortar with a pointed trowel.
  6. Set the new stone into place; add more mortar if the stone is too low.
  7. Using a rubber mallet, gently tap down the stone.
  8. Shovel more mortar onto the concrete base right beside the first stone.
  9. Tap down the second stone until it's flush with the first stone.
  10. If necessary, cut a stone slab to fit using either an angle grinder or circular saw fitted with a diamond-impregnated masonry blade.
  11. Set the remaining stones in a bed of stone-dust mortar.
  12. Clean the walkway surface of all wet mortar.
  13. Scrape the fresh mortar out from between the stone slabs with a steel stake or slotted screwdriver.
  14. Use a push broom to sweep polymeric sand across the surface, filling the joints between all the stone slabs.
  15. Sweep the surface clean of excess sand, then use a garden hose to mist the entire surface with water.
  16. Wait 15 minutes and spray the walkway again.
  17. If there isn't a concrete base under the walkway, remove the stones, dig out the topsoil, and then fill the area with stone dust.
  18. Compact the stone-dust base, then set 1½-inch-thick stone slabs.

Part of a video titled How to Repair a Broken Stone Walkway | Ask This Old House
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Without having to really compact it by hitting the stone with a hammer. So i'm just using the edgeMoreWithout having to really compact it by hitting the stone with a hammer. So i'm just using the edge of the old stone. And smoothing the bed. Out. Just take and set it.

How to install a rustic stone walkway?

Installing a stone garden path yourself requires a some time and physical effort, but very little money or expertise. A less-than-perfect result adds charm, and any flaws in stone spacing can ultimately be hidden by ground-hugging plants used to fill in the cracks.

How to level a stone walkway?

How to Level a Stone Walkway

  1. Inspecting. Start off by carefully inspecting the walkway and identifying the areas where you need to correct unevenness.
  2. Removing. Some of the stones may be uneven due to the fact that they are broken or damaged in some way. ...
  3. Levelling the Base. ...
  4. Placing the Stones. ...
  5. Spreading Sand. ...
  6. Final Step. ...

How to build a faux stone walkway?

  • Natural-bristle paintbrush or paint roller
  • Chalk
  • Plastic mold for concrete (we used a flagstone-shape form, but molds also come in brick and tile shapes)
  • Oil-based concrete stain in three colors (we used charcoal gray, medium taupe, and light gray)
  • Sand-finish additive (if desired; ask the paint store to mix it with the stain)

How can rock salt damage stone walkways?

  • Pretreat. Apply a de-icer before a snow or ice event. By pretreating an area, you will need less de-icer in the long run.
  • Shovel Off First. Shovel off as much of the snow and ice as possible before applying a de-icer. ...
  • Use Sparingly. Always read the label and apply sparingly. It is important to avoid over-applying any de-icer. ...

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How do you fill cracks in a stone walkway?

Repairing joints and cracks in an existing stone patio or walkway is easy with a good quality polymeric jointing sand. Polymeric sand is made from sand particles and adhesive binders to create a uniform and structurally sound product that adheres well to stone and masonry surfaces.

How do you repair mortar between stones?

2:565:43How to prepare and point old stonework - YouTubeYouTubeStart of suggested clipEnd of suggested clipGet your pointing trash. And then start to apply in the areas like this pushing. It in really deepMoreGet your pointing trash. And then start to apply in the areas like this pushing. It in really deep fill in all of the gaps. Between each one of the blocks.

How do you grout a stone walkway?

2:093:13How to Grout Flagstone : Home Improvement Help - YouTubeYouTubeStart of suggested clipEnd of suggested clipWhen you're filling you want to make sure that the flag is filled to both surfaces you want to avoidMoreWhen you're filling you want to make sure that the flag is filled to both surfaces you want to avoid any trip hazards and and such. So you want to make sure that it's filled almost completely full.

What is the best material to put between flagstone?

Mulch: Bark and lightweight chunks of mulch are a great option for in-between flagstone. Cocoa shell mulch is small and curls, for a unique look. Plants: You can grow plants, such as grass or moss, in between the flagstone. Polymeric stone dust: You don't need to use compacting equipment to firm up this material.

What is the best mortar for stone?

Type N Mortar MixType N Mortar Mix It is also the preferred mortar mix for soft stone masonry. Type N is the mortar most often used by homeowners and is the best choice for general application. It typically achieves 28-day strength in the range of 750 pounds per square inch (psi).

How do you fix crumbling stonework?

6 Steps for Repairing StoneworkAssess the Damage. Repairing only what's necessary not only keeps the budget down, it also preserves as much of the original building fabric as possible. ... Find a Match. ... Remove the Damaged Stone. ... Cut the New Stone. ... Work the Surface. ... Set the Repairs.

How do you repair mortar between flagstone?

2:464:07How to Repair a Mortared Flagstone Walkway | This Old House - YouTubeYouTubeStart of suggested clipEnd of suggested clipOkay john in order to blend the new mortar repair joint material into the old wok i brought you aMoreOkay john in order to blend the new mortar repair joint material into the old wok i brought you a mix of stone dust and sand i want you to take and sprinkle some right over the top of. It.

Will mortar stick to flagstone?

Landscaping Network says you can place flagstone pieces into wet mortar is applied either directly on a subbase of compacted gravel and sand, or to an existing concrete slab. Then, the joints are filled with either sand or additional mortar or grout.

Can I use mortar as grout for flagstone?

Mortar is a type of concrete made from cement, water, sand, and usually hydrated lime. It's meant especially for setting masonry and is sticky, so as to bind the masonry together. When considering a flagstone walkway, two basic options are available as far as grouting: mortar or a dry laid method.

What to use to fill gaps between paving stones?

Filling large gaps between paving slabs can be easily achieved with wet brush-in joint filler or polymeric sand. Wet brush-in filler is more flexible, making the joints less susceptible to cracking as the temperature changes throughout the year.

How do you fill cracks between patio stones?

0:041:20What Do You Pour Into Gaps Between Paver Bricks? - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou just take a hose. And you lightly mist your patio. And that causes the polymeric sand toMoreYou just take a hose. And you lightly mist your patio. And that causes the polymeric sand to activate. And it binds and locks together.

Is polymeric sand the same as stone dust?

The main difference is in the size of the primary materials, stone dust versus sand. Gator dust bond base material is stone dust, much finer than regular jointing sand. It is designed to stabilize wider paver joints than polymeric sand.

How do you repair a mortar joint in a stone patio?

2:494:07How to Repair a Mortared Flagstone Walkway | This Old House - YouTubeYouTubeStart of suggested clipEnd of suggested clipOkay john in order to blend the new mortar repair joint material into the old wok i brought you aMoreOkay john in order to blend the new mortar repair joint material into the old wok i brought you a mix of stone dust and sand i want you to take and sprinkle some right over the top of. It.

How do you fix mortar cracks in a rock wall?

Hold the pointing trowel up to the crack, and use a tuckpointing trowel to slide the mortar off of the pointing trowel into the crack. Pack the mortar tightly into the crack. Allow the mortar to set up for 20 to 30 minutes. Run the tuckpointing trowel over the crack to finish the mortar.

How do you mortar between flagstones?

How to Grout FlagstoneRemove existing mortar that's cracked or loose. ... Sweep and clean the floor to remove loose stones, dirt and debris.Mix 3 parts sand to one part portland cement. ... Fill a grout bag with your sand and Portland cement mixture.Insert the nozzle of the grout bag into the gaps between your flagstones.More items...

What is the difference between tuckpointing and repointing?

Repointing is the process of removing damaged mortar joints and renewing them. Tuckpointing is quite similar but is not always completed for damage control. Tuckpointing by definition is a style that uses two different colors of mortar to alter the appearance of mortar joints, this is an important distinction.

How to break out mortar?

Wearing gloves, safety glasses, and knee pads, break out the crumbling mortar with a cold chisel and 3-pound sledge. Chisel right down to the setting bed; be careful next to the stone or use a grinder with a diamond blade to carve out difficult spots. Clean out the joints with a stiff-bristled nylon brush.

How long does it take for mortar to set?

Wait 60 to 90 minutes for the mortar to set up enough to leave a thumbprint when pressed. Using a tuck-pointing trowel, smooth and pack down the mortar so that it matches the height of the existing joints. Clean the stones as necessary.

How to get mortar to harden?

Run a stiff, dry, natural-bristle brush over the mortar in one direction, smoothing away the bumps and ridges left by the tuck-pointing trowel. Stay off the walk overnight. The mortar will fully harden in about a week. If the weather during that time is very hot, windy, or dry, keep the mortar moist with wet burlap.

How to replace missing stone?

To replace missing stones, you’ll need stones of similar size and thickness to what already exists. You may have to do some chipping to make the new pieces fit the voids. Do this slowly and whittle away from the edge so you don’t remove too much material. Once the stones are dry fit, you’re ready to mix up the mortar.

How do I clean mortar off a stone patio?

As the mortar begins to dry, you’ll want to clean it off the face of the stones using a mason brush or a sponge along with a light spray from a garden hose . When the mortar is completely dry, clean the entire surface with a masonry or stone cleaning solution.

Can you repair a flagstone walkway?

Repair a Flagstone Walkway. This flagstone walkway is missing some stones and mortar. That can be hazardous, so it’s time to fix it. Rarely are flagstone walkways completely smooth. But if stones or mortar are missing, they can become unsightly and dangerous.

How to patch a stone top?

In theory, patching the topping is easy: Clean the surface, let it dry, then stuff a mixture of two-part epoxy and pebbles that have been washed and dried into the gaps. Trowel the surface flat, let it cure for a day, and you're done.

Who installs epoxy coated stone?

Dave Burroughs, an owner of J.A. Norris Concrete, a company in Hollywood, Md., that installs epoxy-coated stone using products from Sierra Stone ( sierrastone.ca ), also looked at a picture of your walkway. The pebbles don't match the color mixtures available through Sierra Stone, he said.

What to do if you knew the installers?

If you knew the initial installers, your best bet would be to contact them to see whether they have leftovers from previous jobs. However, barring that, you will probably need to hunt around for the best match and then, if necessary, resort to picking out pieces with colors that clearly don’t belong.

What is the challenge of patching the topping?

However, the huge challenge in patching the topping is finding pebbles that match in size and color mixture. Stone is a natural product, and although the size range can be controlled, the color mixture results from geologic processes that differ from place to place.

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Step 1 – Assess Damage

Step 2 – Prepare Your Walkway For Repairs

  • Before replacing or repairing stones in your walkway, identify those you may wish to dispose of such as those that are broken, heavily chipped, or discolored by weather, moss, or molds. Remove these stones rather than spending unnecessary time cleaning and repositioning them. For those stones that have survived and are still in place, give them a good cleaning with a high pressure …
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Step 3 – Choosing Replacement Stones

  • In replacing those stones you want to discard, try to acquire stones that are similar in appearance and quality with the older stones that are still in place. You'll not only want them to be the same in appearance as to size, color, shape, and type, but you'll want them to last through future, tough winters. Although it may be tempting to purchase less expensive stones, such as flagstones for …
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Step 4 – Replacing Stones

  • Remove stones that are broken or discolored by using a pry bar. Force the end of the bar beneath the stone, then pry the stones upward to allow a helper to get his hands beneath the stones. It may take more than two people to lift them out of place, depending on how large they are and how much they've settled into place in the walkway. Put new ston...
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