how to repair aggregate concrete

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.

How do you fix a broken aggregate?

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 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.

How do you resurface exposed aggregate concrete?

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.

How do I fix patchy exposed aggregate?

You can try an acid wash if the patches are only light but don't waste your time if they are large of heavy. Call us as soon as you see the problem and we will come around to take a look at the scale of the task. The fresher it is the easier it will be to remove the patchy sections.

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 you seal aggregates?

0:254:31EagleSealer - How to Seal Aggregate Concrete - YouTubeYouTubeStart of suggested clipEnd of suggested clipUse when temperature is above 50 degrees cooler temperatures slow the drying process clean surfaceMoreUse when temperature is above 50 degrees cooler temperatures slow the drying process clean surface with a power washer 3000 psi or more is recommended allow concrete to fully dry.

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.

Can you smooth out aggregate concrete?

To make exposed aggregate concrete smooth, you may need: Epoxy resin. Hammer. Sander.

Can you put a layer of concrete over concrete?

Yes, you can put new concrete over old concrete providing there are no issues such as significant cracks of frost heaves with your existing concrete. A new layer of concrete should be about two inches to ensure an even, strong coverage.

How do you fill cracks in aggregate driveway?

3:286:08Apply & Match crack filler to exposed aggregate driveway - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf you just used the filler compound. Make sure you push it down into the crack that way otherwiseMoreIf you just used the filler compound. Make sure you push it down into the crack that way otherwise they're just going to come right back out anyway. And here's the other half of the trick.

How do you seal aggregates?

0:254:31EagleSealer - How to Seal Aggregate Concrete - YouTubeYouTubeStart of suggested clipEnd of suggested clipUse when temperature is above 50 degrees cooler temperatures slow the drying process clean surfaceMoreUse when temperature is above 50 degrees cooler temperatures slow the drying process clean surface with a power washer 3000 psi or more is recommended allow concrete to fully dry.

How do you repair a pea gravel 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 seal exposed aggregate concrete driveway?

Pressure wash the dirt and grime off the surface, use rust remover to remove rust and a cleaner/degreaser to tackle tough oil spills. After cleaning the concrete, allow a day to dry. Once the concrete is dry, begin the sealing process. Using a ½-inch roller and a pump-up sprayer, start applying the sealer.

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 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 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 do you fix bad Exposed aggregate concrete?

This uneven exposed aggregate surface needs to be treated with an acid wash. This is one of the few times I recommend an acid for a concrete repair. 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.

How do you mix Exposed aggregate concrete?

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.

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:

How do you clean exposed aggregate concrete?

Use a high pressure washer with hot water and a commercial-grade degreaser to eliminate oil stains. The hot water will help lift oil from the surface and the degreaser will emulsify the stain and allow it to wash off easily. Exposed aggregate cleaners can be applied on tire marks before rinsing it off with hot water.

Will Vinegar Remove Concrete Sealer (This is Better)

Can you use vinegar to remove concrete sealer? Most concrete sealers are somewhat resistant to the acetic acid found in vinegar. Chemical stripper works better.

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What is exposed aggregate concrete?

Concrete that is exposed aggregate is a decorative finish where the top layer of concrete is removed to reveal colorful aggregate beneath it. 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 ...

What to cover a concrete patio with?

Cover with a layer of concrete pavers, large flagstone or other similarly shaped stones to add texture for an even more natural look that will last long-term without any maintenance required.. This is your best bet since it’s the least expensive option and most realistic looking in terms if you want something temporary.

How to remove a muriatic acid stain?

Acid washing will help to remove the surface marks. First, mix a 1:1 solution of muriatic acid in water. Spray the solution on the surface, then scrub the acid with a stiff-bristled acid-resistant broom. It may take more than one acid application to get the right look.

Can you use exposed aggregate as a base for pavers?

While most contractors say remove and start again, others say that as long as the structural integrity of the current slab is ok, you can use the exposed aggregate as the base to add on dry-laid or mortared stone or pavers.