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Business Details
50+ Years
experience
Trusted Building Supplies Manufacturer in Belfast
Larsen Building Products has been a trusted manufacturer of high-quality building materials since its establishment in 1975. Founded in Antrim, Northern Ireland, the company has grown from a small supplier of concrete admixtures to a market leader offering a comprehensive range of products for the construction industry across the UK and Ireland. With a family-owned heritage and over five decades of operational experience, Larsen combines technical expertise with a commitment to innovation, delivering solutions tailored to the evolving needs of professionals in sectors such as tiling, flooring, highways, and civil engineering.

The companys ISO 9001 and ISO 14001 certifications underscore its dedication to quality control and environmental responsibility. Larsens team of industry-savvy professionals provides unparalleled technical support, ensuring clients receive tailored advice and reliable service from initial consultation to project completion. By prioritising local partnerships and sustainable practices, including renewable energy-powered operations, Larsen remains a cornerstone of the construction sector, trusted for its consistency, expertise, and customer-centric approach.
Services
Admixtures Flooring Solutions Highway Maintenance Precast Mortars Waterproofing
Details
  • Year established: 1975
Highlights and features
  • We have over 50 years of experience in the construction materials industry.
  • Our products are ISO 9001 and ISO 14001 certified for quality and environmental standards.
  • We provide technical expertise and tailored solutions for complex construction challenges.
  • Our customer-first approach ensures dedicated support from consultation to delivery.
  • We prioritise sustainable practices, including renewable energy-powered operations.
Associations and certifications
  • ISO 9001
  • ISO 14001
Services
Admixtures
Larsens high-performance admixtures enhance concrete properties for diverse construction applications. Designed to improve workability, durability, and setting times, these products cater to professionals requiring precision in challenging environments. Backed by ISO-certified quality standards and technical expertise, they ensure optimal results for infrastructure projects.
Flooring Solutions
Our flooring range combines technical innovation with user-friendly application for commercial and residential projects. From self-levelling compounds to damp-proofing membranes, Larsens products meet ISO standards and deliver long-lasting performance. Expert guidance ensures clients select the right solution for their specific substrate and environmental conditions.
Highway Maintenance
Larsens highway maintenance products, including rapid-repair mortars and pothole solutions, are engineered for durability and quick deployment. Compliant with HAPAS standards, these materials support efficient infrastructure upkeep, minimising downtime while ensuring safety and longevity for high-traffic road networks.
Precast Mortars
Specialised cement-based mortars for precast applications ensure structural integrity and ease of installation. Larsens formulations, including thixotropic and rapid-setting options, meet demanding engineering specifications, supporting precision in precast concrete assembly and repair projects.
Waterproofing
Comprehensive waterproofing solutions, including tanking membranes and integral waterproofer additives, protect structures against moisture ingress. Larsens systems are designed for both new builds and refurbishments, offering reliable performance in basements, tunnels, and external structures under varied climatic conditions.
Questions
What industries does Larsen Building Products serve?
Larsen serves construction professionals in sectors including highways, flooring, civil engineering, tiling, and precast concrete applications across the UK and Ireland.
Are Larsen’s products ISO certified?
Yes, Larsen operates under ISO 9001 (quality management) and ISO 14001 (environmental management) standards.
Does Larsen offer technical support?
Yes, our team provides expert technical advice and guidance for product selection and application, ensuring optimal project outcomes.
Where are Larsen’s products manufactured?
Products are manufactured at facilities in Belfast, Northern Ireland, and Derbyshire, England, with distribution across the UK and Ireland.
What sustainability initiatives does Larsen prioritise?
Larsen uses renewable energy in operations, supports local suppliers, and develops eco-friendly products like permeable bedding mortars to reduce environmental impact.
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