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How do I do Exposed aggregate concrete?
You just wash away the thin layer of surface mortar covering the aggregate by spraying with water and scrubbing with a broom until the aggregate is exposed to the desired depth. The timing of the operation is critical, however, so this method is often better suited for small jobs.
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.
Can you do Exposed aggregate over existing concrete?
Can Exposed Aggregate Concrete be placed over existing concrete? A. Yes – provided certain practices are in place. It is best to discuss your particular situation with us at the time of choosing your mix.
Is Exposed aggregate hard to walk?
We have found it surprisingly comfortable on the foot compared to some others we have walked on in the past. As many have said it depends on the stones/pebbles used and how exposed it is.
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.
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 do you lay river rocks in concrete?
Lay down a 4-foot gravel base before pouring the concrete. Then, mix and pour the concrete onto the path. Professionals typically lay down concrete mesh on top of the gravel. Before the concrete hardens, smooth it with a trowel or screed.
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.
What is the cost of exposed concrete?
– Exposed aggregate concrete pricing ranges from $13.00 – 16.00/ square foot. – Colored and stamped concrete pricing ranges from $16.00 – 19.00/ square foot.
Can you Pebblecrete over existing concrete?
It can be applied to any sound concrete, including old pebblecrete. Resurfacing/spray on is suitable for application on concrete driveways, pathways, patios, stairs, pool and barbeque areas, schools, car parks and commercial projects that have existing concrete.
Can you stencil over exposed aggregate?
Allow at least 2 hours drying time, overnight drying time or longer is recommended if going over exposed aggregate, Pebblecrete, bitumen, you are experiencing cold weather or when concrete is in shady areas, before applying the Patterned Stencil or Stencil Tape lines, tape will not stick if not completely dry.
Can you make exposed aggregate smooth?
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. Spray the solution on the surface, then scrub the acid with a stiff-bristled acid-resistant broom.
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.
Should I seal exposed aggregate?
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.
