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1. What is wet cast concrete?
2. What is wet cast concrete used for?
3. What are the pros and cons of wet cast concrete?
4. What is dry cast concrete?
5. What are the pros and cons of dry cast concrete?
6. What is dry cast concrete used for?

Concrete is often hailed as one of the easiest building materials to create – all you need to do is mix cement, air, water, sand, and gravel!

Of course, there’s more to it than that. The ratio of components and the casting process you use have a huge impact on the final result, influencing its strength, workability, curing time, and more.

Generally, concrete production can be split into two main categories: wet cast and dry cast. Each type has its own advantages and disadvantages, and each is better than the other for certain applications.

With over five decades of experience in manufacturing precast concrete, the team at Mexboro know concrete better than anyone! In this guide, we’ll explore the differences between wet cast and dry cast concrete, discuss their pros and cons, and find out which applications they’re best suited for.

What is wet cast concrete?

Wet cast concrete is the type of concrete most frequently used in construction, which is why it’s also known as ‘traditional’ or ‘regular’ concrete.

Wet cast concrete is made by using a high water-to-cement ratio in the concrete mix, resulting in a more fluid and workable mixture. It typically contains additives to improve its flowability and improve the curing process.

What is wet cast concrete used for?

Because wet cast concrete is so workable, it’s ideal for use in intricate designs, fine detailing, and a wide range of finishes (such as polished, exposed aggregate, and textured surfaces). This is why it’s often used for applications where a smooth and finished appearance is desired, such as:

• Decorative facades
• Concrete floors
• Cornices
• Balustrading
• Window sills and heads
• Pier caps and copings

What are the pros and cons of wet cast concrete?

Advantages of wet cast concrete

Better surface finish: The high-water content allows the concrete to flow easily into the intricate details of moulds, resulting in a smooth and detailed surface finish.

Ease of casting: The fluidity of the mix makes it easier to fill complex shapes and moulds.

Disadvantages of wet cast concrete

Longer curing time: The excess water in the mix requires a longer curing time to reach its full strength and durability.

Shrinkage: Wet cast concrete is more prone to shrinkage during the curing process, which can result in cracking or warping if not properly controlled.

What is dry cast concrete?

Also known as zero-slump or low-slump concrete, dry cast concrete is a mix with a low water-to-cement ratio. This results in a stiffer mixture that can be consolidated into moulds using mechanical vibration or pressing techniques. Dry cast concrete is often used for larger structural elements and projects where aesthetics are less of a priority.

What are the pros and cons of dry cast concrete?

Advantages of dry cast concrete

Faster curing: The reduced water content allows for shorter curing times, so production cycles can be completed more quickly.

Lower shrinkage: Dry cast concrete exhibits less shrinkage compared to wet cast concrete, reducing the likelihood of cracking or warping.

Higher density: The lower water content contributes to a denser concrete mix, resulting in increased strength and durability.

Disadvantages of dry cast concrete

Limited moldability: The stiffer consistency of dry cast concrete makes it less suitable for complex shapes and detailed moulds.

Challenging placement: The low-slump mix requires specialised equipment or techniques for proper consolidation, making it less convenient for certain applications.

What is dry cast concrete used for?

Dry cast concrete is primarily used for structural elements where durability is crucial. Thanks to its high strength, improved load-bearing capacity, and better resistance to wear and tear, it’s commonly employed in the production of precast concrete products like:

• Stair treads and risers
• Cast stone blocks
• Retaining walls

In Conclusion

Ultimately, both wet cast and dry cast concrete have their own set of advantages and disadvantages, and the best choice between the two depends on the unique requirements of the project.

Wet cast concrete is ideal if you’re looking for versatile, visually appealing decorative finishes, whilst dry cast concrete is better for structural applications where strength and durability are key.

Discuss your project with the concrete specialists at Mexboro

Looking for high-quality, cost-effective ready-mix concrete, precast concrete, or cast stone products for your project? With over 50 years of experience in the industry, Mexboro has developed a thorough expertise in all areas of concrete mixing, manufacturing, and delivery.

Whether you require beam and block flooring or a stunning new porch surround, we’re ready to tackle any project you can throw at us. Get a quote online or call us on 018035 58025! We’re more than happy to answer any questions you may have and explain more about our services, so don’t hesitate to reach out today.

The post Wet Cast vs Dry Cast Concrete: Explained appeared first on Mexboro.

1. 1. What is beam and block flooring?
   2. What are the benefits of beam and block flooring?
   3. Where can beam and block flooring be used?
   4. How to install beam and block flooring

What is beam and block flooring?

Beam and block flooring is a type of flooring system that consists of precast concrete beams and blocks. It is commonly used in both residential and commercial buildings as a cost-effective and efficient way of creating a solid and durable floor structure.

The system works by placing precast concrete beams horizontally across the span of the floor, supported by load-bearing walls or steel columns. The beams are typically spaced at regular intervals, and they provide the primary support for the floor.

Concrete blocks, also known as infill blocks, are then placed between the beams to fill the gaps. These blocks are designed with slots or channels on the top surface to allow them to interlock with the beams, creating a stable and secure flooring system.

Once the beams and blocks are in place, a layer of screed is poured over the top to create a smooth and level surface. This screed can be finished with various flooring materials, such as tiles, carpet, or laminate, depending on the desired aesthetics and functionality of the space.

At Mexboro, we specialise in the design and manufacture of premium-quality beam and block flooring. Read on for our complete guide to beam and block flooring, including its many benefits, where it can be used, and what to consider prior to installation.

What are the benefits of beam and block flooring?

There are a number of advantages to using block and beam flooring in your construction project, including:

Versatility: Beam and block flooring can be used on various types of ground conditions, including sites with poor soil quality or uneven surfaces.

Speed of installation: The precast T-beams and blocks can be laid quickly, reducing construction time compared to other flooring installation methods.

Strength and stability: The combination of the reinforced T-beams and solid infill blocks creates a robust load-bearing structure that’s suitable for most applications.

Thermal and acoustic insulation: The voids between the beams and blocks can be filled with insulation materials, providing effective thermal and sound insulation properties.

Adaptability: Beam and block flooring can be easily adapted to accommodate additional features like underfloor heating systems.

Where can beam and block flooring be used?

Beam and block flooring is a durable and cost-effective solution for suspended floors. It can be used on both ground and upper floors in all types of construction projects, including residential and commercial structures.

How to install beam and block flooring

For the best results, you should engage the services of a qualified contractor to install your new beam and block flooring. Below is a typical installation process:

1. Site preparation: Ensure the ground is properly excavated and levelled. Any necessary groundwork, such as installing a damp-proof membrane or insulation, should be completed now.
2. Beam placement: Position the precast concrete beams according to the layout plan. The beams are typically placed on wall bearings or supported by other load-bearing structures. They should be aligned accurately and securely fixed in place. Ensure that you have planned for a sufficient void space between the underside of the beams and the floor (150mm or more), as this will help ensure sufficient ventilation.
3. Block installation: Concrete blocks are placed between the beams, creating a solid base for the flooring system. The blocks are laid in a staggered pattern, interlocking with the beams to create stability.
4. Fill and level: Once the blocks are in place, the voids between them are filled with a concrete screed or grout. This fills any gaps and provides additional strength to the floor structure. The surface is then levelled using appropriate tools.
5. Finishing touches: After the concrete has cured and the floor is fully set, the final floor finish can be applied. This can include screed, tiling, or other types of flooring materials, depending on the desired aesthetic and functional requirements.

The installation process can vary based on the guidelines from the manufacturer, the specific requirements of your project, and the local building regulations. Make sure to consult the appropriate documentation and seek advice from a professional if required.

Leading manufacturer of premium block and beam flooring

Mexboro have been supplying high-quality precast concrete units across the UK for over 50 years. Our commitment to excellent customer service, competitive pricing, and outstanding results sets us apart, and we pride ourselves on having worked with clients as respected as the Ministry of Defence and National Trust.

Whether it’s a small or large project, we collaborate with you to design T-beam flooring that perfectly suits your needs, using advanced manufacturing techniques and quality control methods to create flooring that stands the test of time.

Our flooring is subjected to extensive testing conducted by reputable third-party institutions and our own UKAS-calibrated testing equipment. We ensure rigorous dimensional checks during the setup of the prestressed casting bed and the storage of beams in our yard before transportation. This meticulous approach guarantees a consistently high level of quality throughout our products.

We offer prestressed concrete floor beams in dimensions of 155mm and 220mm. For more detailed specifications, please refer to our beam and block flooring brochure.

Ready to move to the next step? Get a quote online or call us on 018035 58025. We’re happy to answer your questions and explain our products in more detail, so don’t hesitate to get in touch today!

The post The Ultimate Guide to Beam and Block Flooring appeared first on Mexboro.

Precast concrete is a subset of concrete. It’s produced in a factory or off-site location, then transported to a construction site for installation. Thanks to its strength and longevity, it’s a common component in countless architectural projects.

Mexboro have been supplying premium-quality precast concrete units for over five decades. Below, we explore everything you need to know about precast concrete, from how it’s made and used to how much you can expect to pay for it.

Jump to a specific answer:

1. 1. What is precast concrete?
   2. What is precast concrete used for?
   3. What are the benefits of precast concrete?
   4. What is precast concrete made from?
   5. Is precast concrete the same as cast stone?
   6. Is precast concrete expensive?
   7. How long does precast concrete last?
   8. Does precast concrete crack?
   9. Can you drill into precast concrete? 
   10. Is precast concrete sustainable?

What is Precast Concrete?

Unlike cast-in-situ concrete, which is cast at the construction site using a formwork, precast concrete is manufactured in a controlled environment away from the site. It’s produced by pouring concrete into moulds or forms, then allowing it to cure and harden. Once ready, the precast elements are transported to the construction site for installation.

What is Precast Concrete Used For?

Precast concrete is used for a wide range of applications in both residential and commercial construction, including:

• Balustrading
• Flooring planks, blocks, and beams
• Window sills, heads and surrounds
• Steps and stairs
• Pier caps and wall copings

It’s also used in landscaping elements such as garden walls, pavers, and decorative panels.

What Are the Benefits of Precast Concrete?

Precast concrete offers many advantages over cast-in-situ concrete. These include:

Fast Construction Times

Precast concrete is produced off-site, meaning you won’t have to dedicate time in your workday to set up a formwork and wait for the concrete to harden. This cuts down on construction time, labour costs, and the risk of accidents.

Consistent Quality

Precast concrete is produced in a controlled environment with strict quality standards. This reduces the risk of errors and inconsistencies that can occur with on-site casting and guarantees consistent quality across the board.

Customisation

Precast concrete can be designed in a wide range of sizes, shapes, and finishes. This allows for greater flexibility and can help architects and designers achieve their vision more easily.

Durability

Precast concrete is highly durable and can withstand harsh weather conditions, impact and fire better than many other building materials. This makes it ideal for use in high-traffic areas or areas that are prone to natural disasters.

Sustainability

Precast concrete is an environmentally friendly building material that’s made from natural materials and is 100% recyclable.

What Is Precast Concrete Made From?

Generally speaking, precast concrete is made from a mixture of:

• Portland cement
• Aggregates such as sand, gravel, or crushed stone
• Water
• Admixtures (chemicals that are added to the mix to modify its properties)

The exact proportions of the mix will depend on the specific application and desired properties of the precast concrete element. For example, a mix used for structural elements may have a higher strength and lower water content than one used for decorative elements.

The aggregates used in the mix are typically sourced locally, which helps to reduce the environmental impact of transportation. The water used in the mix should be clean and free from impurities that can affect the strength and durability of the finished product.

Admixtures may be added to the mix to modify the properties of the concrete, such as accelerating or slowing down the curing time, improving workability, or increasing the durability and resistance to weathering. These admixtures can be organic or synthetic and can be added in liquid, powder, or granular form.

Is Precast Concrete the Same as Cast Stone?

Precast concrete and cast stone are similar in many ways but differ in the materials used to make them. While both are composed of cement, aggregates, water and additives, cast stone typically uses finer aggregates, resulting in a smoother and more consistent appearance without the presence of bug holes or air voids.

Cast stone is specifically designed to emulate the look and texture of natural stone, with colour and surface variations that resemble the type of stone it is intended to imitate. In contrast, standard concrete is typically plainer and more utilitarian in appearance.

Want to know more? Check out our complete guide to cast stone!

Is Precast Concrete Expensive?

The cost of precast concrete depends on several factors, including the type of project, the complexity of the design, the size and shape of the elements, and the location of the construction site.

While precast concrete may cost slightly more than traditional cast-in-situ concrete, it offers several cost-saving benefits when compared to other building materials. For starters, precast concrete is manufactured off-site, which reduces on-site labour costs and speeds up the construction process. It’s also produced in a controlled environment, which means less waste material and more consistent quality. Even better? It only requires minimal maintenance, so you save more money in the long run too.

How Long Does Precast Concrete Last?

Precast concrete is an exceptionally durable material. When installed properly, it’s resistant enough to withstand centuries (or even millennia) worth of wear and tear – just look at the ancient precast structures still around today!

The exact lifespan of a precast concrete component depends on the quality of the materials used, the design of the structure, and the environmental conditions it’s exposed to. Generally speaking, most last at least 50 to 100 years.

Precast concrete can also be reinforced with steel bars or fibres to increase its strength, durability, and lifespan even further.

Does Precast Concrete Crack?

Like any concrete material, precast concrete can develop cracks over time. This is usually caused by settling, temperature changes, or heavy traffic. This risk can be minimised through proper design, manufacturing, and installation, as well as the addition of steel bar or fibre reinforcements. Joints can also be incorporated into the design to accommodate movement and prevent cracking.

As precast concrete is manufactured under controlled conditions, the mix design can be optimised for the specific application and the curing process can be closely monitored. This can help guarantee that the concrete reaches its maximum strength and is less prone to cracking.

Can You Drill into Precast Concrete?

It’s possible to drill into precast concrete, but it can be more challenging than drilling into cast-in-situ concrete due to precast concrete’s density and strength.

To drill into precast concrete, a diamond-tipped drill bit is typically used. This type of bit is able to cut through the hard surface of the concrete without getting damaged. It’s important to use a drill bit that is specifically designed for use on concrete, and to use the appropriate size and type of anchor for the intended application.

Is Precast Concrete Sustainable?

Precast concrete is made from natural materials without the use of adhesives, making it an incredibly sustainable product. Its production creates far fewer greenhouse gases than traditional building materials like steel and aluminium, and it can be recycled and reused at the end of its lifespan, further reducing its environmental impact.

Why Choose Mexboro for Your Precast Concrete Products?

For over 50 years, Mexboro have been a leading supplier of precast concrete and cast stone pieces in the UK. Our precast concrete products have been used by a diverse range of organisations, including English Heritage, the National Trust, the PSA, and the Ministry of Defence. We take pride in producing high-quality pieces suitable for any project, whether for commercial or residential use, new construction or restoration, or for anything else.

If you’re interested in our products, you can easily get a quote online or call us on 01803 558025. Our team is always happy to discuss your options and answer any questions you may have, so don’t hesitate to get in touch with us today!

The post The Ultimate Guide to Precast Concrete appeared first on Mexboro.

With over 50 years of experience, Mexboro is one of the UK’s premier manufacturers of cast stone pieces. Read our guide below to discover all you need to know about this unique building material.

Jump to a specific answer:

1. 1. What is cast stone?
   2. What is cast stone used for?
   3. What are the benefits of cast stone?
   4. What is cast stone made from?
   5. Is cast stone the same as concrete?
   6. Is cast stone expensive?
   7. What is the lifespan of cast stone?
   8. Does cast stone crack?
   9. Do you need to seal cast stone?

What is Cast Stone?

Cast stone is a type of precast concrete designed to replicate the appearance and texture of natural stone. It’s a dense, durable, and strong material that can be moulded into various shapes and sizes.

Cast stone has been used as a building material for centuries, with a history that can be traced back to ancient civilisations. The earliest known examples of cast stone were found in the ruins of ancient Rome and Greece. French masons developed a new method of creating cast stone in the 12th century, which advanced into the form we know today during the 19th century’s Gothic Revival.

What is Cast Stone Used For?

Cast stone is a common component in thousands of different build projects, both architectural and decorative. Some of the many things it can be used for include:

• Columns and porticos
• Balustrades
• Window sills
• Door surrounds
• Pier caps and copings
• Date stones

Cast stone is also used for a variety of other landscaping features, such as fountains, planters, and statues.

What Are the Benefits of Cast Stone?

Cast stone has several advantages over natural stone, including:

Affordability

Cast stone can be made to look almost indistinguishable from natural stone, at only a fraction of the price. It can also be coloured to match the surrounding architecture.

Durability

Cast stone can withstand harsh weather conditions, including extreme temperatures, UV rays, and moisture. It is also resistant to chipping, cracking, and fading, which makes it an ideal material for outdoor use.

Low maintenance

Cast stone requires minimal maintenance, and it can be easily cleaned with soap and water. It does not require repainting, reducing its long-term maintenance costs.

Consistency

Cast stone is produced in a controlled environment, which gives it consistency in colour, texture, and quality.

What Is Cast Stone Made From?

Unlike natural stone, which is sourced from mines or quarries, cast stone is made by mixing a combination of different materials. The exact composition of the mixture may vary depending on the manufacturer and the intended use of the cast stone.

The fine aggregates used in cast stone can include crushed limestone, sand, and other materials, which give the cast stone its texture and colour. Pigments are often added to the mixture to give the cast stone its desired colour.

Cement is used as the binding agent to hold the mixture together, while water is added to facilitate the mixing and casting process. Admixtures may also be added to improve the workability, setting time, or other properties of the mixture.

Once the mixture has been prepared, it’s cast into moulds to create the desired shape and size of the cast stone. The moulds may be made of various materials such as rubber, fibreglass, or metal, depending on the complexity of the design.

After casting, the cast stone is cured in a controlled environment to guarantee proper hardening and strength development. Once cured, the cast stone may be finished by sanding, polishing, or other techniques to achieve the desired texture.6

Is Cast Stone the Same as Concrete?

Cast stone is a type of precast concrete material, but it’s not the same as regular concrete. While both cast stone and concrete are made from a mixture of cement, aggregates, water, and additives, cast stone typically contains finer aggregates than regular concrete, which gives it a smoother and more consistent appearance. It also doesn’t contain any bugholes or air voids.

Cast stone is designed to mimic the appearance of natural stone, with a texture and colour that resembles the type of stone it’s intended to imitate. Standard concrete, on the other hand, is plainer and more utilitarian. This is why cast stone is more commonly used for decorative purposes than concrete is.

Is Cast Stone Expensive?

Not at all – in fact, cast stone is one of the most cost-effective alternatives to natural stone you can buy. It looks incredibly similar to natural stone, often resembling it so closely that it’s hard to tell them apart, but is significantly more affordable piece for piece. This makes it the perfect choice for many ornamental and architectural uses.

What Is the Lifespan of Cast Stone?

Cast stone can last a century or more, depending on how it’s manufactured, what form it’s in, and the elements it’s exposed to.

Cast stone is a robust material that’s resistant to damage from moisture, freezing and thawing cycles, and other environmental factors that can cause natural stone to deteriorate over time. It’s also resistant to fire, pests, and other hazards that can affect other building materials.

With proper care and maintenance, cast stone can retain its beautiful appearance and functionality for many decades to come.

Does Cast Stone Crack?

When manufactured and installed properly, cast stone is very unlikely to crack. Its durable composition makes it resistant to the weather and general wear and tear, so it’s rare for it to get damaged enough to crack or chip.

With that said, cracks aren’t unheard of. Cracking can occur due to a variety of factors, including exposure to freeze-thaw cycles, excessive stress, or inadequate curing time during manufacturing.

Columns and porticos are particularly vulnerable to weathering due to their exposed nature. However, the good news is that they can be restored to a like-new state as long as the damage isn’t too severe.

At Mexboro, our expert craftsmen can use precise methodology and colour-matched materials to bring columns back to their former glory. They take great care to make sure the end result is nearly indistinguishable from the day the columns were first constructed. Get in touch to learn more about our restoration service!

Do You Need to Seal Cast Stone?

In most cases, yes. Sealing helps protect the surface of the cast stone from damage caused by exposure to water, dirt, and other environmental elements. It can also help prevent staining and discoloration caused by exposure to certain substances.

The specific type of sealant and the frequency of application will depend on the type of cast stone and the conditions it will be exposed to. We’re happy to provide recommendations on how to properly seal your specific cast stone unit, so don’t hesitate to ask when you reach out.

Why Choose Mexboro for Your Cast Stone Products?

For over five decades, Mexboro have been one of the UK’s leading suppliers of bespoke concrete and cast stone pieces. Our cast stone products have been used by organisations as varied as English Heritage, the National Trust, the PSA, and the Ministry of Defence. We pride ourselves on creating premium pieces ideal for any project, whether commercial or residential, new build or restoration.

Get a quote online or call us on 01803 558025 to get started – we’re happy to talk you through your options and answer any questions you have.

The post The Ultimate Guide to Cast Stone appeared first on Mexboro.