
How to Patch Exposed Aggregate Large Cracks
- Sweep the surface surrounding the crack with a stiff bristled broom to remove any dirt or debris. ...
- Run a crack chaser blade through the crack to even out the crack edges and to create a somewhat level base to the crack.
- Use a putty knife to apply a light layer of epoxy adhesive over the sides of the crack and along the crack bottom.
How to clean aggregate?
- Remove grime and grease stains with a power washer and a scrub brush.
- Fill any cracks and holes created by dislodged aggregate with vinyl concrete patching compound using a putty knife and trowel.
- Use a roller brush to apply a coat of bonding adhesive over the entire driveway.
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 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. ...

Can cracks in exposed aggregate be repaired?
Product Details. Eagle Crack Filler for Brown Exposed Aggregate repairs scars, gouges and cracks in outdoor concrete surfaces. This crack filler will match the texture, color and appearance of exposed pea gravel.
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 fill holes in 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.
How do you fix patchy exposed aggregate concrete?
This uneven exposed aggregate surface needs to be treated with an acid wash....Here are the steps:Patch and fill cracks and seams.Apply primer.Put down cement-based mortar bed and/or waterproof membrane and/or crack suppression membrane.Apply primer.Apply scratch coat.Apply primer.Finish with the overlay system.
How do you fill aggregate cracks?
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.
Can you reseal exposed aggregate?
Resealing is especially important for exposed aggregate because it helps the concrete maintain its highly lustrous appearance and extend its lifespan by adding further weather resistance.
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.
How do you use Eagle concrete crack filler?
PREPARATION & APPLICATIONPressure wash the concrete prior to using. Let slab dry 24 hours.SHAKE Product WELL!Remove cap and snip spout to desired width of pour.Pour CRACK FILLER into cracks. ... Allow CRACK FILLER to dry for 2-4 hours before sealing.Seal with appropriate EAGLE SEALER for your surface.
Why is my exposed aggregate patchy?
The culprits of blotchy concrete after sealing The sealer was applied poorly. Not enough sealer was applied. The concrete itself had varying absorption rates.
Can you grind exposed aggregate concrete?
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.
How do you fix cracked colored concrete?
0:344:00Invisible Crack Repair? Fix-A-Crack™ Stamped Concrete Crack RepairYouTubeStart of suggested clipEnd of suggested clipI'm going to cut it right next to the crack you can use a demolition saw like this or a circular sawMoreI'm going to cut it right next to the crack you can use a demolition saw like this or a circular saw with a diamond blade.
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.
How do you fix an aggregate patio?
0:272:18Exposed Aggregate Crack Repair in a Concrete Patio. - YouTubeYouTubeStart of suggested clipEnd of suggested clipDirectly into the crack. Add some rock to the wider parts of the crack. Use a popsicle stick or aMoreDirectly into the crack. Add 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.
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...
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.
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.
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.
Can you use a broom to clean dirt off concrete?
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.
How do I patch a crack in a concrete floor?
Use a putty knife to apply a light layer of epoxy adhesive over the sides of the crack and along the crack bottom. Allow the adhesive to dry long enough to lose its wet appearance while retaining its sticky surface. The adhesive will help bond the new patching material to the old concrete.
How to repair a crack in a drywall wall?
Step 1. Sweep the surface surrounding the crack with a stiff bristled broom to remove any dirt or debris. Clean out the crack itself with a nylon brush, emptying the crack completely so that you can access the crack bottom and sides.
What is exposed aggregate concrete?
Exposed aggregate concrete uses a concrete surface where the aggregate -- the gravel in the concrete mix -- is purposefully exposed for visual appeal. Because of the exposure, the aggregate used is generally of a decorative kind, just as strong as normal aggregates but more colorful to help create a surface that's as much artistic as it is ...
How long does it take for epoxy to set on a patch?
Spread it around evenly using a wooden craft stick, then pour epoxy onto the aggregate to hold it in place. Wait 24 hours for the patch and aggregate to set.
What to wear when repairing cracks in concrete?
Wear work gloves, a pair of safety goggles and a face mask while repairing the crack to avoid touching the epoxy with your bare skin, inhaling its fumes or injury from a concrete chip.
Who is 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. He's published several hundred articles with Demand Studios.
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.
What is the best glue for hairline cracks?
Best for Very Small Hairline Cracks: Concrete Glue. For very small cracks that are not too serious, you can try using something simple like concrete glue or cement glue – some form of a concrete crack filler. This substance is otherwise known as liquid cement or liquid concrete.
What is the best material to fill cracks in concrete?
Another good method for filling up cracks in concrete is to use hydrophobic polyurethane expanding foam. This method is great for filling wide and deep cracks. As you can probably tell by the name of it, this material is designed to expand, just like insulation foam for walls.
What to use to blast out cracks in concrete?
Use a high-pressure model to blast any and all dirt, rocks, and concrete chunks out of the crack. This may not be 100% necessary, but it will lead to a much better end result. Also, if you do not have a pressure washer, at least do so using a regular hose.
Does concrete crack or chip?
While concrete is a tough material, it does have its limitations. Over the course of several years, extreme temperatures and other conditions can cause it to warp, crack, degrade, and chip away. Because of that, you might notice that your relatively new driveway already has some cracks in it. Fear not, because today we are here to help you learn ...
Is concrete dust poisonous?
Concrete can be very corrosive when wet, and if you get it on your skin, it will burn. Concrete dust is poisonous. Therefore you need to wear a facial mask to prevent the inhalation of the dust. You also need to protect your eyes.
Can you power wash concrete with a pressure washer?
If you have power washed it with a pressure washer, you need to let everything dry before moving on. If there is excess moisture present in the cracked concrete, whatever filler you use may not hold, and the whole process will be for nothing.
