how do you fix a broken exposed aggregate

How to Repair Exposed Aggregate Concrete

• Step 1 - Prepare As the saying goes, precaution is better than cure, so take proper precaution while working on the project. ...
• Step 2 - Clean the Area to be Repaired ...
• Step 3 - Tape off Decorative Sections ...
• Step 4 - Mix the Concrete ...
• Step 5 - Smooth the Area ...
• Step 6 - Add Finishing Touches ...

Full Answer

How to protect hands from getting injured when fixing concrete?

What to use to cover up a concrete driveway?

What is aggregate concrete?

How long does it take to repair concrete?

Can you wash dirt off of concrete?

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How do you repair a broken exposed aggregate?

0:272:18Exposed Aggregate Crack Repair in a Concrete Patio. - YouTubeYouTubeStart of suggested clipEnd of suggested clipAdd some rock to the wider parts of the crack. Use a popsicle stick or a trowel move around theMoreAdd some rock to the wider parts of the crack. Use a popsicle stick or a trowel move around the rocks together just right. Continue on down the crack. And more rock when you.

Can you grind back exposed aggregate?

Yes, we can. Grinding down exposed aggregate concrete will create a nice smooth surface that will expose the rocks, and is a lot easier to clean. This surface is then ready to be polished.

How do you fix crumbling concrete?

1:305:16How To Repair Concrete | Pro Tips For Repairing Concrete - YouTubeYouTubeStart of suggested clipEnd of suggested clipAny loose debris from the damaged area with a wire brush and broom then you can use a caulk gunMoreAny loose debris from the damaged area with a wire brush and broom then you can use a caulk gun loaded with a masonry crack filler to fill the crack.

How do you fix Pebble concrete?

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.

Can you resurface over exposed aggregate concrete?

Resurfacing exposed aggregate pool deck surfaces doesn't have to be the last resort either; if you're looking to rejuvenate the area around your pool with a new finish without breaking the bank, pool deck resurfacing is the perfect home improvement project that will make a big difference.

How long will Exposed aggregate last?

But how long will exposed aggregate last? With the right care, you're looking at over 10 to 20 years of life. One of the most attractive benefits of using exposed aggregate is its longevity.

Can you repair badly damaged concrete?

Deeply spalled concrete can be repaired with a concrete overlay. Think of this as just applying stucco to the concrete. You just mix up some sand, a little hydrated lime and Portland cement and trowel this onto the concrete.

What is the best product to repair concrete?

The patches leave no trace: DIYers can tool them to blend in with the rest of the surface.BEST OVERALL: Red Devil 0644 Pre-Mixed Concrete Patch.RUNNER-UP: Damtite 04072 Concrete Super Patch Repair.BEST BANG FOR THE BUCK: Quikrete #862013 5.5 Oz Concrete Repair.BEST FOR FLOORS: Henry, W.W. Co.More items...•

Can badly cracked concrete be repaired?

Pour enough dry concrete mix into a 5-gallon bucket to repair any cracks and patch damaged areas. Sand mix or concrete resurfacer, which do not contain gravel, may be used if the area to be repaired is not large or deep. A standard concrete mix that contains gravel works best for patching large or deep areas.

Can you patch Pebblecrete?

Pebblecrete repairs is not as easy as slapping on the mix for a patch. You first have to prep the surface by acid etching, pressure washing and use special bonding agents so that the new pebblecrete will properly adhere to the existing surface.

Can you epoxy over Pebblecrete?

Loose or drummy areas of pebblecrete should be removed and then repaired using a combination of Epoxacote HF (filled with graded sand/aggregate) and/or Luxapool SEF (Structural Epoxy Filler) or similar epoxy mortar. Loose stones may also be re-adhered in this way.

What is concrete with pebbles called?

Aggregate concrete is created by spraying the surface mortar of the concrete away to reveal particle stone (aggregate) that is below. The result is a sturdy and beautiful surface that reveals the smooth pebbles in the concrete.

Can you sand down aggregate concrete?

After the concrete has cured there are often sharp edges or imperfections such as aggregate that protrudes or high spots. These issues can be fixed with some sanding. It is a good idea to smooth down sharp edges or jutting aggregate, as these can cause injury to persons or damage to car tires.

How do you grind down aggregate concrete?

Grind down the edges of the area with an 8-inch grinder with a cup wheel or sanding disc pad attached. Place the grinder on the floor. Hold it with both hands. Pull the trigger and move the wheel/pad over the surface of the concrete to grind down the top layers.

Can you grind back concrete?

A hand grinder or angle grinder will do the job just fine. However, if you're grinding down the concrete to a new layer, then you'll need something that can reach deeper into the concrete and do a more thorough job. In this case, you'll need to invest in a floor grinder or a walk-behind grinder.

Can you shovel exposed aggregate?

We highly recommend the use of a plastic shovel for snow removal. This will eliminate scratching and the loss of stones to the stamped or exposed aggregate. You can also use snow blowers as long as you ensure the rotating blades do not come in direct contact with the concrete surface.

How to Patch Exposed Aggregate Large Cracks | eHow

Run a crack chaser blade through the crack to even out the crack edges and to create a somewhat level base to the crack. While there's no need to create a completely level base, you should attempt to create a base that doesn't change by more than 1 inch.

How to Patch Exposed Aggregate Concrete | Hunker

The cement in a concrete slab usually holds the surface layer of aggregate in an exposed aggregate slab securely in place. Sometimes, though, this hold fails, and pieces of the aggregate break away. With the loss of the aggregate, the slab develops surface bald patches or depressions.

What happens when you lose the aggregate in a concrete slab?

Sometimes, though, this hold fails, and pieces of the aggregate break away. With the loss of the aggregate, the slab develops surface bald patches or depressions.

How long does it take for epoxy to cure?

Sweep more of the concrete sand over the epoxy layer to fill in the spaces between the aggregate. Allow the epoxy to cure 24 hours. Sweep the surface again to remove any loose sand or aggregate.

How long does it take for concrete to dry?

Spread a layer of concrete sealant over the patch. Use a paint roller to press the sealant around the aggregate. Allow the sealant to dry for 48 hours before using the concrete surface.

How do you fix bad Exposed aggregate concrete?

A strong acid wash should help even out the surface. Start with a muriatic acid diluted 1:1 with water.

How do I restore exposed aggregate?

The best way to clean oil and grease stains from your exposed aggregate driveway is to apply a driveway cleaning solution that will break down the oil . Luckily, you can make this mixture using household products like dishwashing liquid or baking soda.

Does Exposed aggregate crack?

Will my new Exposed Aggregate product crack? Like all concrete products there is always some risk of cracks occurring. We cannot guarantee it won’t crack due to subsidence and other variables. Although we do everything we can to minimise the chance of cracking by cutting control joins and using expansion foam.

What is the best concrete sealer for exposed aggregate?

After cleaning the exposed aggregate allow the surface to dry for 2 days before sealing. The best exposed aggregate sealer is a solvent based acrylic sealer. Best Sealers to Use for Exposed Aggregate:

Should exposed aggregate be sealed?

Does exposed aggregate need to be sealed? Yes. These sealers—typically film-forming acrylic resins—can help protect against spalling, dusting, efflorescence, freeze-thaw damage, stains, deicing salts, and abrasion. A sealer will also enhance the color of the aggregate, accentuating its depth and richness.

How long does Exposed aggregate take to dry?

After exposure of aggregates, the surface is cured for a minimum period depending on the location and application. A minimum of 7 days curing is recommended for increased concrete strength and improved bonding of the aggregates into the surface.

What is the best mix for a concrete slab?

Slabs should be cast monolithically with a mix as follows: portland cement, 1 part by weight, three-eighths inch and smaller pea gravel, 3.2 parts by weight, and concrete sand, 2.3 parts by weight. Water should be carefully controlled to hold the slump as low as practicable for workability.

How to protect hands from getting injured when fixing concrete?

As the saying goes, precaution is better than cure, so take proper precaution while working on the project. Put on work gloves to protect your hands from getting injured while you work on fixing the concrete areas on your sidewalk or driveway.

What to use to cover up a concrete driveway?

If your driveway or sidewalk has any areas of decoration that you don’t want to get ruined, use tape , such as duct or painters tape to cover it up. Only cover the areas that are absolutely necessary so you won't miss any cracks or open spaces when you are pouring the concrete.

What is aggregate concrete?

Aggregate concrete is a popular decorative building material used to form driveways, sidewalks or other flat surfaces. Sometimes these wear out and there’s a need to repair the exposed aggregate concrete.

How long does it take to repair concrete?

Wait until the concrete completely sets and is hard to the touch. This can take several minutes to a couple of hours depending on the type of concrete you used to repair the exposed aggregate concrete areas.

Can you wash dirt off of concrete?

The exposed aggregate concrete needing repairs must first be cleaned and cleared of any dirt, debris, or stray pieces of grass. After sweeping with a broom, you can use the hose and sprayer attachment to wash any remaining dirt off the concrete. This is important because the new concrete won’t go down properly if the area is dirty. Plus, it wouldn’t look very nice to have pieces of grass or dirt hardened into the concrete.