Leaving the concrete unprotected is not an option. This is why it is important to protect and extend the durability of the concrete from day one. Our hydrogel concrete solutions offer many benefits for exposed concrete.
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.
Prevents Moisture Damage: Concrete floors can absorb moisture if left unsealed, leading to mold growth and potential structural damage. Sealing prevents moisture from seeping into the concrete, keeping it dry and protected.
How long should I keep the concrete covered? Typically, concrete should be covered for at least 7 days to ensure proper curing. However, the duration can vary based on environmental conditions and the specific concrete mix used.
Can you leave concrete forms on too long? You won't harm concrete by leaving forms in place longer than necessary. You will simply be giving the concrete more time to cure, which will help to ensure its structural integrity.
Ideally, for most concrete work, if you want to avoid unwanted cracks, then you should wait at least 6 to 18 hours before you start cutting concrete. It is not advised to cut concrete beyond 24 hours after a pour.
If concrete forms are removed too early, the concrete may not gain enough strength sufficient for handling the required loads. However, you can't leave concrete forms on too long in a way that would compromise the integrity of the structure and load-bearing process.
Concrete curing covers help maintain a certain level of heat and protect the concrete from colder temperatures. The covers can heat up to 110°F and trap moisture and heat, which helps accelerate the curing process.
Exposure to moisture, temperature fluctuations, and chemical agents can all contribute to the deterioration of concrete over time. As the concrete ages, it may become more brittle, develop cracks and spalling, or lose its structural integrity.
ASTM C94 has a placement time limit of 90 minutes that can be extended to 2 hours, if a mix meets slump requirements upon delivery.
Concrete is incredibly durable, but if it isn't sealed properly, it can chip or show wear in certain situations.
Cleaning and sealing your exposed aggregate driveway and paths is required to protect your investment however what many people don't realise is that exposed aggregate driveways need to be re-sealed every few years in order to maintain the protective sealer in good condition.
Once you've opened a bag of cement based product, it is recommended to use the contents that same day and discard any remaining product. If a cement based product appears to be hard then you need to dispose of the bag and source a fresh bag as it has likely been exposed to moisture and has reacted with the water.
Rain falling on freshly-poured concrete can cause damage to the surface, making it bumpy and uneven.
Concrete is usually dry enough after 24 to 48 hours to walk on. For concrete to dry and reach its full strength, it typically takes about 28 days per inch of slab thickness. Once conditions are conducive for the concrete to cure at 85-90% relative humidity.
One of the most prevalent issues with concrete is cracking. Understanding the different types of cracks can help identify their underlying causes and determine appropriate repair methods. Plastic Shrinkage Cracks: These cracks occur during the curing process when rapid moisture loss causes the surface to shrink.
What is the maximum life of modern concrete? Generally, for large infrastructures, the lifespan of modern concrete is about 100 years if properly maintained.
This means that in addition to groundwater working its way up, you also have a moisture-laden flooring surface slowly releasing water vapor for years. Concrete needs to breathe; it's the nature of the beast.
The curing process is a chemical reaction, with ready mix concrete taking up to 28 days to fully cure. However, as long as you let your fresh concrete cure under waterproof covers with good drainage for a minimum of 4-8 hours, this should be sufficient to prevent damage.
That's why nearly every expert in the concrete industry recommends a below-slab vapor barrier to stop the vapor drive of water upward and into your building envelope.
Concrete requires water to complete its chemical reaction (known as hydration) and achieve its full strength. When concrete is exposed to sun, wind or low humidity, the surface can dry out too quickly.
Your dry cement mix could become wet and turn solid if moisture enters the cement stacks. This often occurs if the bags are stored outdoors or in a humid, moist environment. Even without exposure to moisture, dry cement mix can still settle and bind together, forming lumpy concrete.
It involves wetting the concrete slab often with water (5-7 times per day) for the first 7 days. This method ensures your concrete slab will be extremely strong and durable, because it allows the moisture to evaporate slowly, preventing cracks and shrinks. This method is not recommended when the temperature is colder.
You have around 1-2 hours from the moment it's mixed. This timeframe is influenced by several factors, including the type of cement, the environmental temperature, and any added admixtures. Hot weather accelerates the setting process, while cooler temperatures slow it down.