how to repair exposed aggregate concrete

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. Put on work gloves to ...
• Step 2 - Clean the Area to be Repaired.
• Step 3 - Tape off Decorative Sections.
• Step 4 - Mix the Concrete.
• Step 5 - Smooth the Area.

Full Answer

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 clean exposed aggregate?

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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 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 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 repair cracked exposed 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.

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.

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.

Why is concrete crumbling?

If too much water is introduced to the mixture, the cement and sand cannot bond with each other and will instead fall apart. As the concrete starts to dry, this results in a crumbling area where the particles aren't sticking together.

How do you paint crumbling concrete?

You make cement paint by mixing Portland cement powder and clean cold water. Mix it to the consistency of regular paint. With the cement block clean and slightly damp, take an old paint brush and paint the area to be repaired with this cement paint. Brush it on as you would paint, but not too thick.

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.

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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.

Specialised concrete requires specialised repairs

Exposed aggregate produces a unique speckled effect, mainly because you can mix in any number of unique elements to give it character, color, and depth. A special blend of stones, shells, porcelain, rock, and other substrates are mixed into the concrete and poured to create custom driveways, pathways, patios, and more.

Step-by-step guide to patch exposed aggregate concrete

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.

What causes damage to concrete (and how to prevent it)

Concrete on the whole is a durable material designed to last for decades when properly installed and sealed. So what can go wrong and how can you prevent it from happening and requiring you to patch exposed aggregate concrete in the first place?

Trust in professional concrete patchwork from Concept Concrete

Concrete patching is doable but can require a bit of finesse when it comes to getting a patch to match and remain in place for the long term. While you can try this on your own, calling in concrete professionals to get the patch just right will probably pay for itself in the long run (not to mention save you a hassle and a mess).

What is the best sealer for loose stones?

If you need to secure loose stones, an acrylic sealer is a better choice. The second and most common choice is a topical acrylic concrete sealer which preserves the concrete and enhances it with a high-gloss finish often referred to as the “wet look.”. Eight out of 10 of our customers choose a honey brown-tinted high-gloss sealer ...

What type of sealer is best for concrete?

There are two types of sealer: solvent and water-based products. And like the article suggests, a penetrating sealer is best for exposed aggregate concrete surfaces. Non-penetrating/topical sealers will coat the surface along with the aggregate, creating a slippery surface.

How long does a concrete sealer last?

They seal the aggregate without leaving behind a visible surface film. On average they last from seven to 10 years and require little to no maintenance.

What is the benefit of using acrylic sealer?

The brown tint allows for a uniform look that darkens the exposed surface. Another benefit of using an acrylic sealer is that it’s topical. Instead of penetrating a 1/2 inch into the concrete, the sealer sits on top on the surface. It helps hold the aggregate pebbles in place, reduces pitting and extends the life of exposed aggregate concrete.

How many square feet per gallon of sealer?

It’s best to work in smaller 4-by-4-foot sections. You should apply the sealer at the manufacturer’s recommended spread rate. This is typically between 100 and 150 square feet per gallon.

Can you seal exposed aggregate driveway?

Written by Tyler Stephens on June 13, 2019. Sealing exposed aggregate driveways can extend the life of the concrete as well as improve its looks. Exposed aggregate concrete is a decorative concrete look that will enhance the curb appeal of driveways, pool decks, sidewalks and patios. It’s achieved when the top layer of concrete has been removed ...

Can you use a cure and sealer on concrete?

A ‘cure and seal’ is acceptable, however. With regard to applying sealer in cold climates it is best to refer to the sealer manufacturers product guidelines in order to protect yourself and your concrete from any breach of a product warranty. Regarding the use of a penetrating sealer first and a topical sealer second.

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.

What is a sealer for?

These sealers, usually acrylic resins or resins with film-forming properties, are ideal for protecting against dusting, spalling, freeze-thaw damage, efflorescence, abrasions, and stains. The aggregate will also appear richer and more color-toned with a sealer.

How long does a sandpaper cover last?

The pros are that it can be installed in a day or two and the surface is usually very smooth. The con would be that this method will only last for about six months before needing to cover again – which could still work out well if you want something temporary while your property undergoes renovations.

What is a stick on door panel?

Stick on interior door panels are a way of changing the look of a room. The exterior of the room does not change, but depending on the type, it can add more character to plain walls and doors. The... Continue Reading.

Does matting help with traffic noise?

The cons are that a matting system will not offer the same sound insulation from traffic noise or weather protection as fresh concrete – although there are some newer options in this category so be sure to ask your supplier which ones they recommend for these needs.