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About Us - Larsen Building Products



Larsen Building Products


While the spread of Coronavirus (COVID-19) continues to dominate the headlines, we would like to reassure our customers that Larsen Building Products remains open for business.

As a company, we are implementing all current governmental advice and guidelines. We are taking reasonable measures to ensure that our duty of care to protect the health and safety of our employees, customers and wider community is maintained.

Though these times are unprecedented we are continuing to maintain our supply chain and have no problems with manufacture, supply or delivery of our own products. Our contigency planning is ongoing in this evolving situation.

We will endeavour to keep you informed of any changes.

Stay Safe.

Larsen 40 Years Virtual TourTake the Larsen Virtual Tour - have a look at our extensive technical support, high volume and high- technology manufacturing process, distribution as well as sales support and promotional assistance which we offer

Larsen Silos at CES

Larsen offer Silo-Mixed Mortar

Larsen are pleased to announce the launch of a network of silos providing masonry and plastering mortar.

Larsen have partnered with a network of builders merchants and concrete plants to supply silo-mixed mortar to the DIY customer and the industry. Recently Larsen commissioned silos with CES Quarry Products (see above). View another photo



Advantages of masonry mortar:

  • Easy to use
  • Consistent Strength and Workability
  • Retarded for 12 hours
  • Suitable for building, bedding and pointing brick, block and stone
  • Can be supplied in mortar tubs, flexi-tubs, trailers, etc.

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Streetscape mortars at Ebrington

Larsen Streetscape Case Study

Ebrington Square in Derry/Londonderry opened in February 2012. The site includes a new public square and multi-purpose shared spaces for culture, arts, leisure and tourism.

Larsen provided SIAC with silo-mixed bedding mortar and jointing mortars to aid installation of the paving in line with the programme.



Larsen and SIAC monitored material consumption closely and co-ordinated stock deliveries, plant maintenance and quality control checks.

The urban regeneration schemes at the Peace Bridge and Ebrington Square have achieved two Irish Planning Institute National Awards.

Click here for more information

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Larsen breakfast seminar-

"Energy efficient sustainable screeds"

One of the industry's most respected building products manufacturers Larsen which has been at the forefront of the flooring market for over 30 years held a seminar for architects and specifiers to hear the latest thinking in using waste product and renewables to improve the performance, installation times and aesthetics of underfloor heating systems.

The breakfast seminar was held in Belfast's Remada Hotel Shaw's Bridge on Friday 8th April and featured speakers from REMONDIS, TIMOLEON and LARSEN and covered:
Heating buildings with renewable energy
Energy efficient, underfloor systems
Successful installation
Superior floor finishes

The event was attended by 50 delegates from all over Ireland and was a resounding success.

Larsen MD Peter McGill said “we were delighted to have a full room with people travelling from Cork and Galway etc and it was a great opportunity to showcase best practice in the use of sustainable screeds in which we are leading the field. Our Flotherm screed is proving exceptionally popular in self build and social housing projects at present.”

flotherm screed


Larsen New Plant

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Larsen Building Products, as part of the Larsen group of companies, has been manufacturing quality building products since establishment in 1975. Larsen has now grown to become a market leading manufacturer of a comprehensive range of products for the construction industry. 

2008 saw the next step in Larsen's continued growth with the completion of a purpose built manufacturing facility in the Port of Belfast. This industry leading, computer controlled facility has a production capacity of over 100,000 tonnes of product annually.

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Larsen prides itself on the unrivalled level of service offered to our customers. This commitment goes further than just ensuring deliveries arrive promptly. Our wide experience of the entire construction process draws on the expertise and breadth knowledge gained over the last 35 years to provide an unsurpassed level of technical back-up and know-how.

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Larsen Lab 1


Larsen's quality policy ensures all products are manufactured to exacting quality and performance standards. Stringent testing by qualified quality technicians ensures products meet the requirements of national standards, harmonized European standards or Larsen's internal specifications before despatch.

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Larsen commits significant resources to the development of new products and the continual improvement of existing products. Our highly trained research department use cutting edge experimental methods and laboratory equipment to develop products tailored to the end user's requirements. After a product has been developed in the laboratory, long hours are spent on site testing the product with real end users. Our relationship with end users is critical to the development process and we value highly the opinions of experienced tradesmen.

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Larsen Building Products manage chemicals in a responsible manner that minimises potential environmental and health impacts. We are committed to a program of research in an attempt to develop products with a smaller environmental footprint and improved sustainability. This is a two-fold approach, firstly we aim to become more efficient in the use of packaging and raw materials and secondly through development of advanced products and systems we aim to increase sustainability in the construction process by improving the methods of construction used.

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Health & Safety

Larsen is committed to ensuring that all aspects of our business are carried out to the highest standards of health and safety at work. Larsen are also committed to a process of monitoring and improvement to ensure that activities comply with all relevant legislation and provide employees with a safe working environment and also protect those who may be affected by our activities from harm.

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