Sustainable Solutions: Environmental Benefits of Precast Construction

In an era where sustainability is paramount, industries across the board are seeking innovative solutions to reduce their environmental footprint. The construction sector, in particular, stands at a critical juncture where adopting eco-friendly practices is not just a choice but a necessity. At O’Reilly Precast, we’re proud to be at the forefront of this movement, championing sustainable solutions that prioritise the health of our planet without compromising on quality or efficiency.

  1. Reduced Carbon Emissions

One of the most significant environmental benefits of precast construction lies in its ability to minimise carbon emissions. Traditional construction methods often involve extensive on-site operations, leading to higher energy consumption and increased greenhouse gas emissions. However, precast concrete components are manufactured off-site in controlled environments, allowing for optimised energy usage and reduced emissions. By producing precast elements in a factory setting, we can significantly lower our carbon footprint, contributing to a cleaner, healthier environment.

  1. Resource Efficiency

Precast construction also offers notable advantages in terms of resource efficiency. Unlike traditional cast-in-place methods, which can result in material waste and excess usage of natural resources, precast manufacturing allows for precise measurement and optimisation of materials. This means less wastage of concrete, steel, and other resources, leading to both cost savings and environmental conservation. Additionally, the durability and longevity of precast concrete structures further enhance resource efficiency by reducing the need for frequent repairs or replacements.

  1. Enhanced Air Quality

The production of precast concrete components involves stringent quality control measures, including the use of eco-friendly additives and admixtures. These additives not only improve the strength and durability of the concrete but also contribute to better air quality by reducing the emission of harmful pollutants. As a result, precast construction not only minimises environmental impact during the manufacturing process but also helps create healthier indoor and outdoor environments for occupants and communities alike.

  1. Sustainable Design Opportunities

At O’Reilly Precast, we understand the significance of integrating sustainable design principles into each project. A fundamental aspect of our commitment involves integrating Ecocem GGBS (Ground Granulated Blastfurnace Slag) into our products. We incorporate up to 30% of Ecocem mix in our prestressed, precast concrete, and paving products. Ecocem GGBS serves as a high-performance substitute for traditional cement, enhancing both technical performance and aesthetics while significantly reducing our carbon footprint. Through close collaboration with clients and partners, we aim to deliver tailored precast solutions that not only fulfill aesthetic and functional requirements but also align with sustainability objectives.

  1. Long-Term Environmental Benefits

Perhaps the most compelling aspect of precast construction is its long-term environmental benefits. Unlike temporary solutions or quick fixes, precast concrete structures are built to last, withstanding the test of time and environmental wear. By investing in precast construction today, we’re not just addressing immediate environmental concerns but also laying the foundation for a more sustainable future for generations to come.

In conclusion, the environmental benefits of precast construction are undeniable. From reducing carbon emissions and resource consumption to improving air quality and enabling sustainable design, precast concrete offers a holistic solution to the challenges facing the construction industry. At O’Reilly Precast, we’re committed to driving positive change through innovation, collaboration, and a steadfast dedication to sustainability. Together, let’s build a greener, more resilient world, one precast structure at a time.

The Importance of Reusing Wastewater

In an era where global water scarcity poses an increasingly critical challenge, the significance of reusing wastewater emerges as a crucial solution with environmental benefits. As increasing populations and industrial activities strain limited water resources, the conventional linear model of water consumption and disposal becomes unsustainable. The practice of wastewater reuse not only addresses the escalating demand for freshwater but also mitigates the adverse ecological impacts associated with conventional disposal methods. By transforming wastewater into a valuable resource, we not only strengthen water security but also contribute to a more sustainable environment, fostering a balance between human needs and the health of our ecosystems. This shift towards wastewater reuse embodies a crucial step in crafting a more sustainable future for our planet.


Below are just some examples of how wastewater can be reused:


Agricultural Irrigation:

Agricultural irrigation involves the utilisation of treated wastewater to nourish crops with essential nutrients, contributing to sustainable farming practices. By incorporating treated wastewater into the irrigation process, valuable freshwater resources are conserved, and the dependence on traditional irrigation water is reduced. This approach not only supports the growth of crops by supplying vital nutrients but also highlights an effort to address water shortage concerns in agriculture.


Industrial Processes:

Industrial processes across diverse sectors require substantial water usage. Treated wastewater emerges as a viable solution in these contexts, mitigating the demand on freshwater sources. In particular, industries like manufacturing and energy production can optimise sustainability by incorporating treated wastewater into cooling processes. This dual-purpose approach not only addresses the water needs of industrial operations but also contributes to the conservation of freshwater resources.



Landscaping and Recreational Uses:

Reused water plays a huge role in enhancing sustainability in landscaping, parks, golf courses, and various recreational areas by serving as an alternative water source. This practice significantly decreases the reliance on potable water for non-potable purposes. By incorporating reused water into the irrigation and maintenance of such spaces, a more efficient and responsible water management strategy is achieved, contributing to the conservation of valuable drinking water resources.



Urban and Industrial Cooling:

In urban and industrial environments, the utilisation of treated wastewater for cooling purposes proves to be a beneficial practice, notably in power plants and manufacturing facilities. By incorporating treated wastewater into the cooling processes of these settings, there is a dual advantage of efficiently meeting cooling requirements while simultaneously alleviating the strain on freshwater resources. This approach highlights a sustainable and resource-conscious strategy.



The imperative of reusing wastewater stands out as a solution to address the escalating global water scarcity crisis. Faced with the challenges of growing populations and expanding industrial activities, the conventional linear model of water consumption and disposal proves unsustainable. Wastewater reuse emerges as a crucial step towards crafting a sustainable future, offering not only a response to the rising demand for freshwater but also a means to mitigate ecological impacts associated with traditional disposal methods. The versatility of wastewater reuse is evident in applications such as agricultural irrigation, industrial processes, landscaping, and urban cooling, showcasing its potential to alleviate water shortage concerns across diverse sectors. Embracing wastewater reuse fosters sustainable farming practices, reduces the strain on freshwater sources in industries, enhances water management in recreational areas, and optimises cooling processes in urban environments. This multifaceted approach not only conserves precious freshwater resources but also exemplifies a commitment to responsible and resource-conscious strategies, guiding us towards a more resilient and environmentally conscious future in the face of global challenges.

O’Reilly Group: Shockingly Good Move!

In a significant move towards prioritising safety and well-being, The O’Reilly Group has recently acquired four life-saving defibrillators, reinforcing our commitment to the communities we serve. This strategic investment aims to ensure that vital emergency response equipment is readily available at key locations, potentially saving lives in times of crisis.

The four defibrillators are strategically placed in Kingscourt, Trim, Belturbet, and Barleystone. The careful selection of these sites was driven by the objective to maximise accessibility and minimise response time in case of emergencies. By distributing the defibrillators across different locations, we aims to create a safety net that covers the surrounding areas, offering reassurance to both employees and the communities they operate in.

Recognising the importance of proper usage, we have also invested in a test dummy and a dedicated test defibrillator. These resources will play a crucial role in educating staff and designated first aiders on the correct procedures for using the defibrillators effectively. Training sessions will be conducted to ensure that individuals are well-prepared to respond to emergencies and administer life-saving aid when needed.

By investing in life-saving technology and training, we are not only enhancing workplace safety but also making a positive impact on the surrounding communities. In times of crisis, having access to a defibrillator can be the difference between life and death, and our commitment to community well-being reflects a forward-thinking approach to corporate social responsibility.

Our recent acquisition of four defibrillators, coupled with comprehensive training initiatives, exemplifies our dedication to fostering a safe and secure environment for both employees and the broader community. As these life-saving devices become an integral part of the emergency response infrastructure, The O’Reilly Group sets a commendable example for other organisations to follow in prioritising health and safety at the core of their operations.

Unlock Your Future: Apply for The O’Reilly Group Scholarship Programme 2024 Today

Unlocking Potential: The O’Reilly Group Scholarship Programme 2024

The path to a successful career in the construction and STEM (Science, Technology, Engineering, and Mathematics) sectors is increasingly competitive and demanding. Recognising this, The O’Reilly Group is proud to introduce the O’Reilly Group Scholarship Programme 2024, a pioneering initiative designed to support and nurture the next generation of industry leaders. This scholarship programme, in collaboration with Coláiste Dún an Rí, symbolises our commitment to empowering students by providing them with the tools they need to succeed in these critical fields.

Detailed Scholarship Information

Empowering the Next Generation

The construction and STEM industries are at the forefront of innovation, shaping the world we live in. The O’Reilly Group Scholarship Programme 2024 aims to support aspiring professionals by offering a comprehensive package that includes full funding of annual college course fees, paid summer work placements for practical learning, and the potential for a two-year graduate contract upon completion of their studies. This initiative not only provides financial assistance but also invaluable real-world experience, setting the foundation for a prosperous career.

Building a Brighter Future Together

The O’Reilly Group believes in the power of education and the importance of industry experience. Through the O’Reilly Group Scholarship Programme 2024, we are investing not just in students’ education but in their future and the future of the construction and STEM sectors. By bridging the gap between academic learning and practical application, we are helping to create a skilled workforce ready to tackle the challenges of tomorrow.

Eligibility and Application: Opening Doors to Opportunity

The scholarship programme is tailored for students currently attending Coláiste Dún an Rí, focusing on those aiming to pursue careers in construction and STEM fields. Eligible candidates must be at least 17 years old by the time of their Leaving Certificate exams and plan to enrol in a full-time undergraduate programme in related disciplines. Our selection process is designed to identify individuals who not only excel academically but also demonstrate a passion for their chosen field, showcasing the potential to contribute significantly to industry innovation.

A Comprehensive Approach to Candidate Selection

Understanding that academic achievements are just one aspect of a candidate’s potential, the selection panel for the O’Reilly Group Scholarship Programme 2024 takes a holistic approach to evaluating applicants. We look for students who exhibit a strong commitment to their personal and professional development, who have shown leadership qualities and have a clear vision of how they plan to contribute to the construction and STEM industries. This ensures that the scholarship is awarded to individuals most likely to thrive and make a meaningful impact.

How to Apply: Your Pathway to Success

Interested students are encouraged to apply for the O’Reilly Group Scholarship Programme 2024 by completing the scholarship application form. The process includes an interview stage in August 2024, where candidates will have the opportunity to discuss their ambitions, experiences, and how they envision their future in the construction and STEM sectors. This is not just an application process; it is the first step towards realising your career aspirations. We invite eligible students to apply and take the first step towards a rewarding career. For more information and to submit your application, please visit our application form at

Upcoming UK Shows 2024

Excitement is building at O’Reilly Precast as we gear up to showcase our latest products, skills, and innovations at three prominent UK shows in 2024. We invite you to join us on this journey of exploration and discovery as we make our mark at FutureBuild London, UK Construction Week (UKCW) London, and UKCW Birmingham. We will be showcasing our Architectural Walls Panels, Precast framework and our Hollowcore Flooring at all three events.

FutureBuild London: March 5th-7th

Kicking off the year, we will be present at FutureBuild London, from March 5th to 7th. This event, renowned for sustainability and innovation in construction, is the perfect platform for us to unveil our cutting-edge precast solutions. Come witness first-hand how our products are revolutionising the industry, combining efficiency with eco-conscious practices.

UK Construction Week (UKCW) London: May 7th-9th

As spring unfolds, we’ll be heading to UKCW London, held from May 7th to 9th. This event promises a diverse range of insights into the world of construction. O’Reilly Precast will be at the forefront, showcasing our expertise, skilled workforce, and dedication to excellence. We look forward to engaging with you on the latest industry trends and exploring potential collaborations.

UKCW Birmingham: October 1st-3rd

UKCW Birmingham, taking place from October 1st to 3rd. This event is a highlight in the construction calendar, and O’Reilly Precast will be there to make a lasting impression. Join us at our booth to experience first-hand the strength, durability, and innovation that define our precast solutions.

At O’Reilly Precast, we believe in pushing the boundaries of what’s possible in construction. These events provide us with the ideal platform to connect with industry peers, clients, and visionaries who share our passion for advancement. Whether you’re an architect, builder, developer, or someone with a keen interest in the construction industry, we welcome you to engage with us at our booths and discover the future of construction with O’Reilly Precast.

Stay tuned for updates, we look forward to sharing our journey with you and shaping the future of construction together.

Leaders in Construction for over 80 years

We are featured in Building Ireland’s article titled “Leaders in Construction for over 80 years”.

Established in 1939, O’Reilly Concrete, part of the O’Reilly Group, are one of the largest Precast companies in Ireland and the UK who design, manufacturer and install precast concrete buildings, including Residential, Commercial and Educational projects for a wide variety of Clients.

The O’Reilly Group’s head office is in Kingscourt, Co. Cavan, Ireland, while it has 10 production facilities located across counties Monaghan, Cavan, Meath and Westmeath as well as in Cardiff, which opened in October 2019 to cater for its growing UK business.

Leaders in Construction

Employing 560 people directly and indirectly, the Group is made up of four companies – O’Reilly Concrete LtdBarleystone Paving LtdO’Reilly Oakstown Ltd and O’Reilly Precast (UK). The Group’s main customers are in the construction sector with its concrete, blocks, paving and precast concrete products being utilised in a wide range of construction activities, ranging from small & large residential and office block projects through to Schools, Hotels, and a variety of commercial projects.

O’Reilly Concrete are unique in the industry as they complete all Design & Detailing work ‘In House’ through their experienced and extensive design & detailing office.

The company’s ‘Modern Method of Construction’ (MMC) has proved innovative and timesaving, while always maintaining high standards in quality. O’Reilly Concrete’s unrivalled track record in its ‘design and build’ projects, along with its complete range of precast concrete solutions, have seen it become one of the market leaders in Ireland and UK.

O’Reilly Concrete’s core products have historically been ready-mix concrete, quarry products, concrete blocks and Agri precast products. It also manufactures its own range of bespoke products which include hollowcore flooring (both Thermal Flooring & Traditional flooring), wide slab floors, precast walls, precast insulated wall panels, prestressed wall panels, precast Column & Beams, precast stairs and the latest addition to the portfolio includes Architectural Insulated wall panels.

In April 2021, O’Reilly Concrete opened its new AWP (Architectural Wall Panel) manufacturing facility in Taghart, Shercock, Co. Cavan. The facility is manufacturing bespoke architectural wall panels, designed by O’Reilly’s in-house team, that includes brick-faced precast panels, coloured rendered finished panels, along with other bespoke finishes.

The construction phase on-site can be reduced by up to 50% with a very small crew compared to traditional build methods. The walls are flexible in design with windows, doors and internal electrical conduits and sockets now being installed at the Factory prior to delivery on site, thus further accelerating the Construction programme for their clients.

“We’re leading designers and manufacturers of precast frame building solutions,” says O’Reilly Group CEO Emmet Cosgrove.

“We operate our own quarries so are self-sufficient when it comes to raw materials. We provide the full design, manufacture, installation, and certification package for our clients. Our business continues to go from strength to strength as the industry, post-Covid, turns towards off-site construction, with more and more developers, architects and engineers realising the real time, cost and CO2 savings that are to be had with our system. The inclusion of our Architectural Wall division to the O’Reilly Group will ensure we continue to provide for what our Clients and the Market requires”.

“Everything is built in and ready for fitting. There are big savings on labour costs and it’s also a more sustainable way of doing things due to less waste due to Factory controlled production and less lorry movement of products and trucks to and from site compared to traditional build methods.”

O’Reilly Concrete partners with main contractors such as BAM, JJ Rhatigans, ABM, Townmore Construction, Sisk, Elliot Construction, Galiford Try, OHMG, Glasgiven, Stewart Construction, Ganson, Vision Construction and Monami on residential, educational, commercial, hospitality, environmental, healthcare and agricultural projects throughout Ireland and the UK. The Irish market accounts for 75% of its business, with the UK market accounting for the rest.

“We have several projects ongoing in the UK presently including a large residential block in Worcester for our long-standing client, Elliotts. We have also just finished in the last few weeks another large residential development in Purley, London for LBC,” Emmet explains

The O’Reilly Group has come a long way since it was formed over 80 years ago as a small sand and gravel family business. Still owned by the O’Reilly family, the Group has retained its core values and commitment to delivering quality, reliability and customer satisfaction to each and every project. The Group is also committed to the highest standards of Health & Safety and even has its own in-house training centre which facilitates and assists in the training and continuous learning of all its employees.

In addition, the Group is proactively looking for new ways to improve its environmental footprint, by reducing CO2 emissions in its concrete with the inclusion of a low carbon filler replacing cement to planting over 15,000 trees at one of its facilities. The Group is currently working on its ‘Environmental Sustainability Roadmap’, which it hopes to publish in Q1 2023.

Offering ‘The Perfect Finish’, Barleystone Paving is the paving arm of the O’Reilly Group. This company’s core products are paving brick, masonry brick, flagstones and decorative stones. O’Reilly Oakstown Environmental is another division of the Group and provides a wide range of environmental solutions both Domestic & Commercial, including wastewater treatment systems, septic tanks, precast retaining wall, Petrol Interceptors and rainwater harvesting systems for homes, schools, hotels, businesses, and Agriculture. Over the years, O’Reilly Oakstown has grown to provide full bespoke design and installation services.

Emmet Cosgrove joined the O’Reilly Group as Operations Director in 2015 before being appointed CEO in early 2020. “We’ve continued to grow over the last two-three years, despite the challenges posed by Covid, Brexit, hyperinflation, soaring energy costs and the more recent war in Ukraine,” he points out. “Despite these challenges, we continue to invest in our facilities and in our people to ensure the O’Reilly Group continues to develop and grow into the future”.

Emmet would like to take this opportunity to thank the O’Reilly Group’s clients, customers, partners and suppliers for their continued support as well as its expert teams in every division for their hard work, dedication and commitment that they have shown over the last two-three years in particular.

If you would like to discuss a project contact us at, we would be delighted to have a chat.

This leaders in construction article was published in Building Ireland Magazine, February 2023, Vol 9 No 2

Join O’Reilly Precast at UK Construction Week

Join O’Reilly Precast at UK Construction Week UKCW 2023

Join O’Reilly Precast at UK Construction Week: Where Offsite Construction Meets Innovation
We’re delighted to announce that O’Reilly Precast will be participating in the UK’s largest built environment event—UK Construction Week (UKCW)—taking place at the NEC in Birmingham from 3-5 October.

Join us at Stand OS112 to discover the latest in architectural wall panels and more. Our knowledgeable team will be on hand to discuss the unique features of our products and answer any questions you may have.

Why You Should Register Now
Apart from connecting with us, UKCW offers a wealth of benefits:

1:1 interactions with top offsite manufacturers and suppliers.
Live demonstrations of diverse offsite construction solutions.
Networking opportunities with over 100,000 industry professionals.
A series of informative CPD Masterclasses led by sector experts.
Access to engaging panel discussions aimed at shaping the future of construction.
Register now to secure your spot and experience the future of construction firsthand. We look forward to seeing you at Stand OS112!

Building a Sustainable Future – Roadmap to Net Zero by 2050!

We’re proud to unveil the O’Reilly Group’s comprehensive roadmap to Net Zero by 2050!


Read our plan below ↓

This plan is our steadfast commitment to advancing sustainability within our operations and contributing to a greener planet.

  • Afforestation: We’ve planted 15,000 trees at our Oakstown plant, setting a clear path towards creating a sustainable environment, with plans to expand afforestation to other facilities.
  • Sustainable Concrete: We’re implementing processes like carbon capture and the use of recycled water to make our concrete production even more environmentally friendly.
  • Offsite Manufacturing: Our innovative Architectural Wall Panels not only expedite the building process but also reduce on-site waste, making construction more sustainable.
  • Tech-Driven Efficiency: We’re leveraging technology like BIM and advanced software to optimise operations, reduce waste, and provide high-quality, sustainable products to our customers.
  • Renewable Energy: We’re shifting towards generating 100% of our electricity from renewable sources, kicking off with solar panel installation across all production buildings.
  • We’re proud to be taking significant strides towards achieving Net Zero by 2050.

To read more about our commitments and plans, check out the full sustainability plan below, or if you would like a high-res copy to print or share please contact us here. 

Together, we are building a sustainable future!




Benefits of using Precast Concrete Panels on Large Building Projects

Why using Precast Concrete Panels is ideal for large building projects.

Using precast concrete panels on large building projects offers several benefits. First, it significantly speeds up construction compared to traditional on-site methods. The panels are manufactured off-site while on-site preparations take place, allowing for parallel construction activities. This saves time and enables earlier project completion.

Another advantage is the high level of quality control. Precast concrete panels are manufactured in controlled factory environments, ensuring consistent and precise dimensions and finishes. This reduces the risk of errors and enhances overall construction quality.

Precast concrete panels also provide design flexibility. They can be customised to meet specific architectural requirements, offering various shapes, sizes, and textures. This enables architects and designers to achieve the desired aesthetic appearance and create unique architectural expressions.


Precast Concrete Panels in use


Durability is another key benefit. Precast concrete panels are highly resistant to harsh weather conditions, fire, and pests. They offer exceptional strength and structural integrity, ensuring the long-term stability and longevity of the building. This reduces the need for frequent repairs and maintenance, resulting in cost savings over time.

Energy efficiency is improved by incorporating insulation into precast concrete panels. The insulation layer reduces heat transfer and improves thermal performance, leading to lower heating and cooling costs. This contributes to sustainability goals and may qualify the building for green certifications.

Using precast concrete panels also enhances on-site safety during construction. With the majority of panel manufacturing done off-site, potential hazards and risks at the construction site are minimised. The panels are lifted into place using machinery, reducing labor-intensive tasks and minimising the risk of accidents.

In terms of cost overall cost savings can be significant. The faster construction timeline, reduced labor requirements, lower maintenance expenses, and improved energy efficiency all contribute to long-term cost savings. The predictability of precast construction aids in budgeting and cost control.

Overall, the use of precast concrete panels on large building projects provides advantages in terms of construction speed, quality control, design flexibility, durability, energy efficiency, safety, and cost savings. These benefits make precast concrete panels a preferred choice for many construction professionals working on large-scale projects.

Contact us today to enquire about your project or view our products and projects to find out more.

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