Repairing Guides

how to repair flagstone grout

by Mr. Kris Sawayn I Published 3 years ago Updated 2 years ago

  1. Remove the Damaged Piece. With a masonry chisel and hammer, loosen the grout around the damaged flagstone floor tile or slab. ...
  2. Install New Backer Board. Cut a piece of the backer board to fit the area of the floor that has been damaged. ...
  3. Position the Replacement Flagstone Flooring. Cut the tile or slab to the correct size if necessary using a tile saw. ...
  4. Apply the Grout. Mix the grout according to the manufacturer's directions. Apply the mix to the joints with a grout float.

Part of a video titled How to Repair a Mortared Flagstone Walkway | This Old House
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4:07
Okay 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.

Full Answer

How do you Grout a flagstone?

Options for Grout for Flagstone Walkways

  • Two Types of Grout. While the terms "cement," "concrete" and "mortar" are often used interchangeably, these are not all the same thing.
  • Mortar. Mortar floor. It's simple to make mortar by mixing Portland cement, sand and water. ...
  • Dry Laid. Bags of gravel. In this method, there is no concrete poured beneath the walkway. ...

How to fix loose flagstone?

  • Essential Tools Needed to Fix an Outdoor Loose Step
  • 5 Step to Make a Loose Stone Sturdy Step 1 – Check the weather forecast Step 2- Wear Safety Equipment Step 3 – Remove debris underneath the stone Step 4 ...
  • Conclusion

How to get mortar off off flagstone?

Instructions

  • Wet the Stones Use a garden hose to fully saturate the stone. ...
  • Dilute the Acid With Water Put on safety goggles and long rubber gloves. ...
  • Apply the Acid Solution Brush the diluted acid solution onto the stone, using a stiff-bristled plastic brush. ...
  • Scrub the Stones Use the brush to scrub the cement from the stone. ...

More items...

How to clean flagstone with vinegar?

  • Vinegar and Water. Clean the stone with a solution of equal parts of common white vinegar and water.
  • Pressure Washer. Blast the surface of the paving stone with a pressure washer to remove dirt, grime and other buildup.
  • Stone Cleaner.
  • Muriatic Acid.

What do you use to fill gaps between flagstone?

0:004:19What to put between flagstones? - YouTubeYouTubeStart of suggested clipEnd of suggested clipAreas like municipal parks perk grout is permeable. And easily cleaned sometimes perc grout can beMoreAreas like municipal parks perk grout is permeable. And easily cleaned sometimes perc grout can be stronger than the stone. Itself. It is straightforward to install.

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 kind of grout do you use for flagstone?

Epoxy grout – the best grout for natural stone tiles. Epoxy grout is strong, form impermeable seams and is resistant to staining. It could well be said that this is the best grout for natural stone.

What kind of mortar do you use for flagstone?

Cement Bed Mortar For natural flagstones that are varied in thickness and size, you need to use a cement and sand bed. Rather than a creamy mixture such as with thinset mortar, a cement bed of mortar is a mixture of sand, cement and lime that you layer on top of the cement.

Can I use mortar between 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.

How do you grout flagstone with mortar?

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.

How do you repoint flagstones?

How to point your patios pavingSaturate your patio area with water. Grouting a patio needn't be a difficult job, or a time-consuming one. ... Pour your compound product over the patio. ... Use a broom to sweep the compound where it's needed into joints. ... Strike it into the joint. ... Remove excess.

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 replace mortar between paving slabs?

2:514:56How to Point Paving Slabs - a Simple Patio Jointing Guide for BeginnersYouTubeStart of suggested clipEnd of suggested clipTrying not to apply pressure on the mortar on the outside edges because that could get it to stain aMoreTrying not to apply pressure on the mortar on the outside edges because that could get it to stain a little bit try and avoid the edges. And just push down into the gap.

How do you grout outdoor stone?

0:372:11Stone Liquidators - How to Apply Grout to Stone - YouTubeYouTubeStart of suggested clipEnd of suggested clipA standard joint is achieved by laying each stone roughly one finger width apart from each otherMoreA standard joint is achieved by laying each stone roughly one finger width apart from each other then a grunt bag is used to fill the joints with mortar forcing grout into any voids.

Can polymeric sand be used with flagstone?

Polymeric sand, or “poly-sand” seemed great at first. As easy to install as regular sand, almost. You simply sweep the material into the flagstone (or other paver) joints, lightly hose down, then it solidifies. Once it dries and hardens, the sand stays in place.

What is the difference between Type N and Type S mortar?

Type N mortar is a general-purpose mortar that provides good workability and serviceability. It is commonly used in interior walls, above-grade exterior walls under normal loading conditions, and in veneers. Type S mortar is used in structural load-bearing applications and for exterior applications at or below grade.

How do I clean flagstone mortar?

Take one corner of the sponge and wipe down the one side of the flagstone mortar joint. Then, use a different corner of the sponge and clean the other side of the joint. Okay, now you’re good. move on to other work. When the mortar has become thumbprint dry you can return and sponge it off again.

How do I remove cracked mortar from a concrete slab?

One way to remove the old cracked up mortar is to take your angle grinder and cut a line through the center of the mortar….on ly as deep as the cement joint. You do not need to cut all the way down into the concrete. A inch deep will do it. like so.

Can you use super dry mortar on cinderblock?

The mortar, whether you are using the super dry method or and other dry method, must not be plastic. It can be bone dry, crumbly, or slightly damp…but it must be more dry than a block laying mix. The cement you use to lay a cinderblock is just way too wet for grade level application.

Can you push cement down hard?

Also, since the cement is fairly dry, I can really push it down into them cracks. With a wetter mortar, if you push it down hard, or even just go to smooth it out too much, you’ll push the moisture up to the surface–which will cause problems, such as spalling and cracking, later.

How long does it take for grout to dry?

Let the grout dry for around 20-30 minutes. After 20-30 minutes, the grout should feel firm to the touch.

What is grout used for?

Grout is a cement-based paste that's used to fill the gaps between tiles. If the grout between your tiles is damaged, it can make your tiles look dull and old. Fortunately, you can easily remove damaged grout and replace it with new grout so your tiles look brand new again. Steps.

Who is Norman Raverty?

Norman Raverty is the owner of San Mateo Handyman, a handyman service in the San Francisco Bay Area. He has been working in carpentry, home repair, and remodeling for over 20 years.

How to smooth out flagstone?

Keep the mortar level with the surrounding dry mortar, removing any excess. Clean the flagstone faces with a damp sponge to remove excess mortar, wait 90 minutes or so and then shape the mortar as desired with a tuck-pointing trowel. Afterward, brush over it with a stiff-bristled paintbrush to smooth things out.

What happens if flagstone breaks?

If sandset flagstone breaks into two pieces that seem to be in fairly good condition and are large enough to work with, you may be able to simply reposition them and fill the new gap between them with sand or polymeric sand. In other situations, you may have to replace several flagstone pieces entirely, especially if the flagstone is mortared in place.

Why is my stone patio sinking?

Because your stone patio is exposed to the elements, it likely won't stay pristine forever due to harsh winters, summer rain storms and damaging winds , which can wreak havoc on this area of your outdoor living space. For stones set in sand, too much sand or a drainage issue could cause the patio to sink in some areas. Frost might cause mortared flagstone to crack, or cause the mortar itself to crack over time. Flagstone might also chip or start to crumble due to a sharp blow from a heavy dropped object, for instance.

What is the filler between flagstone pavers?

Polymeric sand, which is a special blend of fine sand and bonding additives, is the solution to this type of problem.

What to use to cut flagstone?

When cutting flagstone, aim for relatively straight, simple lines for a better chance at success. For just a few stones, a hammer and a stone chisel are enough to do the trick, while larger projects require power tools. In either case, wear eye protection and a dust mask. Advertisement.

How long does mortar cure?

Let the mortar cure for 24 hours or as directed.

Can you replace flagstone with mortar?

In other situations, you may have to replace several flagstone pieces entirely, especially if the flagstone is mortared in place. For a mortared patio, use a hammer and a stone chisel to chip out the mortar between a damaged stone and its surrounding undamaged stones.

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