FAQ: How To Finish Exposed Aggregate Concrete?

Should you seal exposed 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 do you seal exposed aggregate concrete?

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.

Can you resurface exposed aggregate concrete?

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.

Is Exposed aggregate cheaper than concrete?

Question: Is an exposed aggregate concrete driveway more expensive than a standard concrete driveway? Top Answer (90% of 44 votes): Yes. Explanation: Exposed aggregate is more expensive than standard aggregate because it requires more material expense and labor expense.

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What is the best exposed aggregate sealer?

As of 2021, we have found that the Super Seal 30, Super Seal 25, and the Masonry Saver Decorative Concrete Sealers are the most popular concrete sealers for Exposed Aggregate surfaces.

How soon can you seal exposed aggregate?

Other reactive penetrating sealers (silanes and siloxanes) and most high-performance coatings, such as epoxies and urethanes, should only be applied after the concrete is fully cured (generally 28 days). Almost all sealers can be applied after the concrete is 28 days old.

How long does Exposed aggregate last?

When people are considering the installation of an exposed aggregate surface, a primary benefit is its longevity. The average lifespan of an exposed aggregate driveway can be upwards of thirty years or more with the right care and preventative maintenance.

Can you pressure wash exposed aggregate?

Use a high pressure washer with hot water and a commercial-grade degreaser to eliminate oil stains. Exposed aggregate cleaners can be applied on tire marks before rinsing it off with hot water. Use a stiff-bristled brush to remove extra-stubborn stains prior to rinsing.

Is Exposed aggregate concrete expensive?

Exposed aggregate concrete is a special mixture which is poured in much the same way, but which later has its top surface removed in order to expose the aggregate underneath. Standard concrete paving also tends to be more affordable than exposed aggregate paving, costing only about $7-9 per square foot.

Can you color Exposed aggregate concrete?

Exposed aggregate can be stained or dyed to shift or change the color upon completion. Exposed aggregate is done by using a chemical retarder on the surface of the concrete during its placement. It is also a cost effective method of getting a decorative concrete finish.

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What is exposed aggregate pool finish?

Exposed aggregate pool finishes incorporate stones, pebbles, and/or glass beads into the pool plaster to add resilience and aesthetic qualities. Because of this, aggregate finishes are more resistant to pool chemical imbalances than other finishes and last much longer.

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 I get rid of exposed aggregate?

Start by applying a degreaser with a pump sprayer to remove oils, such as those from spilled foods or suntan lotions. Brush in the degreaser with a nylon-bristle broom, wait 10 to 15 minutes, and then wash off the surface with a garden hose or pressure washer. If water still beads on the surface, repeat the process.

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