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50+ Years
experience
Trusted Building Supplies in Coalisland | Irwin Quality Aggregates
Established in the 1930s, Irwin Quality Aggregates has evolved into Ireland's leading supplier of specialist sand and aggregates. Our expertise spans architectural concrete, dry dash renders, landscaping materials, sports construction solutions, and water filtration media. With ISO 9001 and ISO 14001 certifications, we combine technical knowledge with customer-focused service, sourcing materials from trusted UK and European suppliers to ensure consistent quality.

Our 20-year leadership in dry dash renders and extensive decorative aggregate range demonstrates our commitment to innovation. We prioritise adaptability, maintaining strong relationships with builders' merchants while delivering bulk orders directly to contracts. Environmental responsibility and technical excellence underpin our operations, serving diverse sectors from private landscaping to major infrastructure projects.
Services
Architectural Concrete Dry Dash Renders Landscaping Gravels Sports Construction Sands Water Filtration Media Pathway Solutions Industrial Dried Sands Golf Course Materials Resin Bound Pathways Decorative Aggregates
Details
  • Year established: 1930
Highlights and features
  • We have over 90 years of experience in aggregate supply and specialist concrete materials
  • Our ISO 9001 and ISO 14001 certifications demonstrate quality and environmental management excellence
  • We offer Ireland's most extensive decorative aggregate range for construction and landscaping
  • Our technical expertise supports complex projects from sports facilities to water treatment plants
  • We maintain direct delivery capabilities for bulk construction material orders
Associations and certifications
  • ISO 9001
  • ISO 14001
Services
Architectural Concrete
We supply specialist sands and aggregates for architectural concrete applications including cladding panels, terrazzo flooring, and exposed aggregate pathways. Our materials ensure consistent colour and durability for projects requiring precise aesthetic and structural properties. Products meet specifications for polished screeds, outdoor furniture, and paving applications across the UK and Ireland.
Dry Dash Renders
As Ireland's largest supplier, we offer durable dry dash render systems with natural aggregates and sands. Our 20-year proven solutions include machine-applicable options with pigmented finishes, providing weather-resistant exterior coatings. We supply matching sands and technical guidance for successful application in residential and commercial projects.
Landscaping Gravels
Our extensive landscaping range includes gravels, pebbles, and slates for driveways, pathways, and garden features. Sourced from Ireland, Britain, and Europe, these materials combine aesthetic appeal with practical performance. We offer both bagged and bulk delivery options for residential and commercial landscaping projects.
Sports Construction Sands
We provide specialist sands for sports facilities including golf courses, synthetic pitches, and winter games surfaces. Our products meet technical requirements for drainage, rootzone mixes, and playing surface consistency. Applications cover natural grass maintenance and artificial turf installations across Ireland and Northern Ireland.
Water Filtration Media
We supply high-silica filter sands and support gravels for potable water treatment, wastewater plants, and swimming pools. Our range includes anthracite, garnet, and activated carbon media meeting industry standards. Products ensure effective filtration for municipal water systems and industrial processing applications.
Questions
What construction materials do you specialise in?
We specialise in architectural concrete aggregates, dry dash renders, landscaping gravels, sports construction sands, and water filtration media.
Do you deliver directly to private properties?
We deliver bulk loads directly to contracts and merchants but use builders' merchants for bagged product distribution to private customers.
Are your products environmentally certified?
Yes, we hold ISO 14001 environmental management certification alongside our ISO 9001 quality standards.
Can I get technical support for material selection?
Our team provides technical guidance for product selection and application, particularly for specialist construction requirements.
What areas do you supply across Ireland?
We supply throughout Ireland with materials sourced from UK and European suppliers to meet diverse construction needs.
Do you offer returns for aggregate purchases?
We operate a no-returns policy with 25% handling charge for agreed exceptions on bagged and bulk deliveries.