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Blocks
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22" Precast Concrete Pier Cap – 560 x 560mm€24.95 €20.28/ ITEMDelivery Select delivery addressCollection Select a collection branch
18" Precast Concrete Pier Cap – 450 x 450mm€19.50 €15.85/ ITEMDelivery Select delivery addressCollection Select a collection branch
28" Precast Concrete Pier Cap – 710 x 710mm€57.95 €47.11/ ITEMDelivery Select delivery addressCollection Select a collection branch
Concrete Blocks for Every Construction Project
Concrete blocks are one of the most essential building materials used across residential, commercial, agricultural, and landscaping projects. Known for their exceptional strength, durability, and versatility, concrete blocks provide reliable structural performance for foundations, load-bearing walls, cavity walls, retaining walls, partitions, and boundary construction. At TJ O’Mahony, we stock a comprehensive range of high-quality concrete blocks including solid blocks, hollow blocks, aircrete blocks, cavity blocks, thermal blocks, and soap bar blocks to suit all types of building applications. Available in a variety of strengths, widths, and densities, our block range supports everything from standard masonry construction to modern energy-efficient building systems.
Concrete blocks offer excellent compressive strength, dimensional consistency, fire resistance, and long-term durability, making them a trusted choice for professional builders, contractors, and self-build projects throughout Ireland. Lightweight thermal and aircrete blocks also provide improved insulation performance and easier handling on-site, helping to speed up installation while supporting compliance with current building regulations. Whether you are constructing foundations, extensions, garden walls, commercial units, or internal partitions, our concrete blocks are designed to deliver dependable performance in demanding site conditions. Compatible with modern mortar systems, reinforcement methods, plaster finishes, rendering systems, and cavity wall insulation solutions, they remain one of the most cost-effective and widely used construction materials available.
We also stock a wide selection of wall caps, pier caps, coping stones, and concrete accessories to help complete your project with a durable and professional finish.
Browse our full range of concrete blocks online or contact your local TJ O’Mahony branch for expert advice, bulk pricing, and delivery options across Ireland.