
[Solution] How to Fix Exposed Aggregate Concrete
- Step 1. Clean the surface of the damaged area of the concrete with pH-neutral cleanser and a sponge.
- Step 2. Pour single-component epoxy into a cup, and add concrete sand to the mix,...
- Step 3. Spread the epoxy paste over the damaged area, filling any holes in the surface...
- Step 4. Spread the same sort of aggregate...
- Step #1: Match colours. Before anyone pours one drop of concrete, work must be done to determine the colourways that will be needed. ...
- Step #2: Prep surface. ...
- Step #3: Mix blend. ...
- Step #4: Insert epoxy. ...
- Step #5: Add patch. ...
- Step #6: Wait (patiently) ...
- Step #7: Seal coat.
How much does it cost to install exposed aggregate concrete?
How Much Does Exposed Aggregate Concrete Cost. As with concrete, exposed aggregate concrete is considered less expensive than interlocking stone. Installing exposed aggregate concrete is typically $2 per square feet more than the cost of installing regular concrete. To get a more detailed quote for installing exposed aggregate concrete, speak to a reputable landscape company like Markstone Lansdcaping who has experience with creating different exposed aggregate concrete landscaping designs.
Can you resurface exposed aggregate?
So if you have an existing concrete structure that is structurally sound, you can use exposed aggregate concrete to resurface it to look just like exposed concrete. How do you fix bad Exposed aggregate concrete? Acid washing will help to remove the surface marks. First, mix a 1:1 solution of muriatic acid in water.
How much does exposed aggregate cost?
The cost of Exposed aggregate concrete per square meter inclusive of labor is between $100 and $150. If you order direct from your distributor you could end up paying between $200 and $350, based on your preferred strength. The cost of exposed aggregate concrete is double the amount you would pay for standard concrete.
How to acid wash exposed aggregate concrete?
Part 2 Part 2 of 3: Applying the Acid
- Hose down the entire area. Spray water on the concrete until damp, but not puddling. ...
- Sprinkle on the acid. Use a plastic watering can to sprinkle acid onto the concrete, pouring low to the ground.
- Brush the acid over the concrete. ...
- Let the acid sit for a few minutes. ...

How do you fix crumbling aggregate concrete?
1:584:26How to repair an exposed aggregate concrete sidewalk with MatchCrete ...YouTubeStart of suggested clipEnd of suggested clipSo don't wait too long you can drop it a little bit extra rock here to fill up these cracks theMoreSo don't wait too long you can drop it a little bit extra rock here to fill up these cracks the bigger ones go back and just bloom. In can move around a little bit if you have to just work your way.
Can you repair aggregate?
Roadware MatchCrete™ Clear (MCC) is an excellent choice for repairing many kinds of exposed aggregate problems from gluing loose rocks in place to filling spalls. MCC can repair cracks and protect control joints too. MatchCrete™ Clear is applied to the repair surface.
How do you resurface exposed aggregate?
0:079:54Exposed Aggregate Restoration, stamped concrete sealer - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd then we're going to use Trin --ax stamped shield Tremec stamped shield is a low build sealer. SoMoreAnd then we're going to use Trin --ax stamped shield Tremec stamped shield is a low build sealer. So we won't have problems with voiding out it's going to color enhance.
Can you grind back exposed aggregate?
Can you grind exposed aggregate concrete? 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.
Can you repair exposed aggregate concrete?
With the loss of the aggregate, the slab develops surface bald patches or depressions. To restore the appearance of the slab, you must patch these damaged areas. An epoxy mix, combined with new aggregate, can provide the patch you need.
Can you color Exposed aggregate concrete?
Exposed aggregate finishes can be stained as well. However, keep in mind that you're staining the cement— not the aggregates— so the color will only tint the matrix. The original aggregate color will remain fairly intact.
Can you resurface exposed aggregate patio?
From old exposed aggregate to stamped concrete to knockdown coatings to existing kool deck, you can save thousands of dollars in demolition and deck replacement costs by resurfacing instead of removing the old hardscape.
Can you repair exposed aggregate driveway?
All of this sounds fairly pessimistic, but patching exposed aggregate concrete is certainly possible. Whether you attempt this as a DIY project or call in the pros for a proper fix, here are the steps that have to be taken for a job well done.
How do you cover old aggregate concrete?
0:094:34How to re-surface concrete with Olympic ® Rescue It!™ - YouTubeYouTubeStart of suggested clipEnd of suggested clipOlympic rescue it would in concrete resurfacer is the ultimate remedy for concrete with cracks. AndMoreOlympic rescue it would in concrete resurfacer is the ultimate remedy for concrete with cracks. And color imperfections.
Can you paint exposed aggregate?
Over time, exposed concrete aggregate can get worn. A change to your landscaping or house color may prompt the desire to paint your aggregate to match. Whatever your reason for painting your aggregate, treat it just like painted concrete to get a solid, durable finish.
Can you sand aggregate?
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 much does it cost to grind concrete slab?
Concrete grinding cost and factors that affect price Depending on the size of the flooring that needs grinding the cost differs. The approximate cost for concrete grinding is between $10 - $60 per square metre depending on what is being grinded and how large the area is.
How do you fill a cracked aggregate driveway?
3:106:08Apply & Match crack filler to exposed aggregate driveway - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou take a good old stick whatever you can find that's got a flat surface spread it out. So it bondsMoreYou take a good old stick whatever you can find that's got a flat surface spread it out. So it bonds to either side of the crack on your driveway.
How do I fix my pebble driveway?
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.
How do you paint aggregate concrete?
Mix trisodium phosphate (TSP) with water according to the package directions. ... Turn your hose nozzle to its highest pressure setting. ... Prime the concrete aggregate with exterior, oil-based masonry primer. ... Paint the aggregate with oil-based masonry paint.More items...
How do you fix concrete?
2:334:13How to Make Thin Repairs to Damaged Concrete with QUIKRETEYouTubeStart of suggested clipEnd of suggested clipThe surface of the patch. So that it is level with the surrounding concrete avoid adding water toMoreThe surface of the patch. So that it is level with the surrounding concrete avoid adding water to the surface of the patch. The additional water can cause surface color inconsistencies.
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.
Who is Larry Simmons?
Larry Simmons. Larry Simmons is a freelance writer and expert in the fusion of computer technology and business. He has a B.S. in economics, an M.S. in information systems, an M.S. in communications technology, as well as significant work towards an M.B.A. in finance.
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.
Can exposed aggregate be resurfaced?
Exposed aggregate concrete is a decorative finish where the top layer of concrete is removed to reveal the small aggregates beneath the surface. This means if you have an existing concrete surface that is structurally sound, we can resurface it to look like exposed concrete.
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.
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.
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 a concrete overlay?
A concrete overlay is a very thin layer of specially designed bag mix concrete used to resurface, repair or stamp existing concrete surfaces.
How long does it take for concrete to dry?
Concrete typically takes between 1 - 2 days to dry before walking on and 7 days before driving on. Concrete is fully cured after 28 days.
Why use profiler on concrete?
Because The Profiler (a muriatic acid in a gel form) lays on the surface of the concrete without absorbing into the cement. It only removes hard mineral deposits from the surface without deteriorating the cement. This helps to keep the exposed aggregate in place.
How long does it take for a profiler to sit on a pool deck?
This helps to keep the exposed aggregate in place. The Profiler actually need only sit on the surface for about 5 to 15 minutes. At that time you can use a pressure washer to wash away to the sewer. Cleaned pool deck after cleaning exposed aggregate. That’s right, the Profiler is also safe for the environment.
What is exposed aggregate?
Exposed aggregate is a common theme around many backyard swimming pools, and it’s often a gorgeous accent to poolside appeal. These surfaces are heavily used and begin to lose their luster. We here at Concrete Decor found a couple of great products that help with cleaning and resealing exposed aggregate of hard water/mineral deposits. These products also clean off other chemicals that make the concrete look less than appealing.
Is profiler safe for the environment?
That’s right, the Profiler is also safe for the environment. After 24 to 48 hours of drying time we then apply two coats of clear Ultra Surface Sealcoat 1000 by Concrete Solutions Inc. Compared to the unsightly, untreated surface, this tip offers a great solution for most of your customers’ stained or tarnished concrete surfaces.
Does gelled acid damage concrete?
Better yet, the product won’t hurt surrounding plants when washing the surface after an application. Gelled acid will also NOT penetrate the concrete surface and loosen aggregate. It stays on the surface where you need it to do its job.
