QA

Question: How To Pour Exposed Aggregate Concrete

How long after pouring concrete can you expose aggregate?

Depending on when you poured it and how wet the concrete was at that time, you generally need to wait roughly 10-24 hours for the core to harden. Do not wait to long to check, because the retarder and plastic cover can only keep the top from hardening for so long.

What type of concrete is used for exposed aggregate?

Matt Villers of CSI recommends recycled crushed concrete as a base for exposed aggregate walkways. “When you hose it and wack it, it’s almost like you’re walking on pavement,” says Villers. Translation: When properly applied with water and compacted, recycled concrete makes a very stable sub-base for concrete walkways.

How is aggregate laid?

For instance, the aggregate finish can be laid as a topping once the cement and sand base has been laid. It is also the easiest to prepare and lay as all the materials i.e., sand, cement, water, and the desired aggregate are mixed together and put at the same time.

How long does 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. At Concept Concrete, we offer up to a 78-month warranty on your exposed concrete driveways, patios, and more.

Is Exposed aggregate hard to walk?

Exposed aggregate is extremely attractive with unique designs. It is popular in residential properties but also in spaces that receive a continuous influx of people. It is non-slippery, making it safe for those walking around, whether young or old.

Can I put gravel over concrete?

Yes, you can. Nidagravel gravel grids are the ideal way to stabilise gravel that is to be laid directly over concrete, tarmac and block paved driveways. In fact, a gravel grid is the only way you can install gravel successfully over a solid slab.

How long does Exposed aggregate take to dry?

How long does exposed aggregate take to dry? Wet exposed aggregate can take about a few hours to dry. Since it is a special type of concrete, it will harden right after pouring. It can take about 24 hours to cure, but it is still susceptible to damage for the next four weeks.

Is Exposed aggregate cheaper than stamped concrete?

Adding the element of design through use of exposed aggregate will add a bit to the overall cost, and may save a little bit of money in comparison to a stamped surface.

Is Exposed aggregate worth it?

Exposed aggregate is mostly recommended for families. Because it is slip resistant, you can use it as the surface for your pool deck, patio, and sidewalk. It is also a great choice for those who plan to improve the look of their driveway because of its resilience to heavy items.

Is Exposed aggregate stronger than concrete?

Exposed aggregate concrete in Hamilton, while the more expensive of the two, comes with numerous benefits of its own. While still incredibly durable, exposed aggregate is more prone to damage than standard concrete and therefore needs to be sealed more often.

Can I put pea gravel over concrete?

Adding pea gravel to concrete is a great option to achieve the look of rock in your driveway. The pea gravel is mixed with the concrete, but it is not until the concrete is poured and worked that the gravel is exposed. The exposed aggregate will add texture and personality to the appearance of your home.

Do you need to seal aggregate concrete?

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 often do you need to seal aggregate concrete?

Depending on weather and traffic, when using an acrylic sealer exposed aggregate concrete should be sealed every 12 to 36 months.

Is Pebblecrete the same as exposed aggregate?

Pebblecrete is concrete that incorporates small pebbles to change its appearance and texture. It’s also known as exposed aggregate.

Does Exposed aggregate crack?

that fills it will be a lot more visible than the neutral epoxy. there is no concretor that will guarantee against cracking, as long as all efforts and correct installation practices are done, concrete can and does crack.

Is sealed exposed aggregate slippery?

Sealed surface may be slippery when wet. For additional slip resistance, use Glaze ‘N Seal Grip ‘N Seal additive. Product coverage will be 100 – 400 square feet per gallon for the first coat depending on surface porosity. Second coat will go up to 50% further.

Does Exposed aggregate get hot?

Does honed aggregate get hot? Just like concrete surfaces, honed aggregate floors can get hot. However, it is not as hot as other types of flooring, which is why it is the preferred option for pool decks, pathways, and alfresco.

What is self binding gravel?

Self-Binding Gravel is an easy to lay alternative to traditional materials such as flags, paving, macadam or concrete. The gravel binds together when rolled to provide a self compacted surface which remains firmer underfoot than conventional loose aggregate.

Can you put crushed rock over concrete?

Adding crushed stone under your concrete slab will provide a level surface for your foundation. Simply pouring concrete onto the ground will expose it to elemental erosion that will cause cracking and sinking. Pouring concrete over crushed stone, however, will eliminate these worries.

Can you put pebbles on top of concrete?

It all depends on how uneven the concrete is and does rainwater run off it ok, if its even enough for your gravel to stay put once you put it on then thats a fine base for gravel for a back garden, providing rain water is running off ok.