RTU Limited

What RTU Limited does

RTU Limited is a Northern Ireland-headquartered (Newtownabbey) manufacturer of construction materials, established in 1990, producing ready mixed concrete, factory-produced mortar, plaster, floor screeds, and a portfolio of branded specialty concrete products. The company serves both commercial construction (developers, contractors, infrastructure projects) and domestic construction (homeowners, self-builders, small contractors) customers, primarily throughout Northern Ireland with an expanding footprint across the broader UK and Ireland following its April 2024 acquisition of Colinwell Masonry Products Limited. RTU holds ISO 9001 (quality) and ISO 14001 (environmental) certifications and operates a single manufacturing facility supported by its own delivery fleet.

The company's core technology is built around proprietary cementitious and screed formulations developed and manufactured in-house at Newtownabbey. Key branded products include Ultraflo (a hemihydrate calcium sulphate liquid floor screed designed for underfloor heating with minimal shrinkage and claimed installation speeds up to 2,000 m²/day), Ultracem (a next-generation cement liquid screed using IntegraCure technology that eliminates the need for a separate curing agent), Ultrabead (a poured-in-situ insulation layer positioned as a modern alternative to insulation boards), Exposa (an award-winning decorative concrete range for external paving applications), and Zircon (a polished concrete floor product available in five colours). Several of these are registered trademarks. The product portfolio is engineered for system-level interoperability, enabling RTU to offer an integrated supply-and-fit package combining insulation, screed, and finishing products.

RTU operates a B2B, sales-led, hardware-distribution business model: products are manufactured to customer specifications and sold directly via the in-house sales team ([email protected]), with delivery carried out by RTU's own fleet. Pricing is not publicly disclosed and is quote-based, reflecting project-specific volumes. Revenue is generated through unit sales of construction materials rather than subscriptions or licensing. Distribution is concentrated within Northern Ireland, with adjacent UK and Ireland reach following the Colinwell acquisition. The company's go-to-market relies heavily on its website as a digital storefront, including a product calculator tool, technical data sheets, and a portfolio of completed projects as social proof.

Name

RTU Limited

Legal name

RTU Limited

Website

https://rtu.co.uk

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

RTU Limited is a Northern Ireland-based manufacturer of ready mixed concrete, mortar, plaster, floor screeds, and proprietary branded specialty products (Ultraflo, Ultracem, Ultrabead, Exposa, Zircon), serving commercial and domestic construction customers across the UK and Ireland via direct sales and own-fleet delivery.

Ownership category

akta.pro rank

Headquarters

HQ city

Newtownabbey

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Construction Materials Sales: RTU generates revenue through the manufacture and sale of ready mixed concrete, mortar, plaster, floor screeds, and decorative concrete products to commercial and domestic construction customers.
2. Delivery Services: The company provides product delivery throughout Northern Ireland, incorporating delivery logistics as part of its customer offering for construction materials.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

RTU Limited manufactures and supplies ready mixed concrete, mortar, plaster, and floor screeds for commercial and domestic construction projects in Northern Ireland. The company operates a state-of-the-art production facility in Newtownabbey and distributes products via its own comprehensive fleet, including proprietary branded products such as Ultraflo liquid floor screed, Ultracem cement screed with IntegraCure technology, Ultrabead poured insulation, Exposa decorative concrete, and Zircon polished concrete.

Product overview

RTU Limited is a construction materials supplier offering a comprehensive range of ready-mixed concrete, mortar, plaster, and floor screed products for commercial and domestic use in Northern Ireland. The product portfolio includes standard offerings (Ready Mixed Concrete, Mortar, Plaster, Floor Screed) and branded specialty products: Exposa for decorative concrete surfaces, Ultrabead for poured insulation, Ultracem for cement liquid screed with IntegraCure technology, Ultraflo for hemihydrate liquid floor screeding with underfloor heating compatibility, and Zircon for polished concrete floors. The company operates from its Newtownabbey headquarters and serves customers throughout Northern Ireland, with recent expansion into the broader UK and Ireland market following the acquisition of Colinwell Masonry Products Limited.

Differentiator

Problem solved

Functional benefit

Brands

• Exposa: Award-winning decorative concrete range for patios, pathways, driveways, steps, promenades and pedestrian areas.
• Ultrabead
• Ultracem
• Ultraflo
• Zircon

Products and services

• Ready Mixed Concrete Wide variety of concrete mixes produced to clients' specifications to meet the challenges of modern construction. Available for both commercial and domestic customers with delivery throughout Northern Ireland.
• Mortar Factory produced mortar delivered to site ready to use with either 8 or 36 hour set-retarder. Provides guaranteed quality and strength and greater consistency than site mixed mortar.
• Coloured Mortar Factory produced mortar with colour additives that enhance the final exterior appearance of construction projects.
• Plaster Plaster suitable for internal render, external render, permeability-reducing render, polymer modified render, and scud mix applications.
• Floor Screed Traditional and high-performance screeds produced in a range of strengths, available as sand/cement, fibre, polymer modified, and quick drying variants.
• Exposa® Decorative Concrete Award-winning range of decorative concrete ideal for patios, pathways, driveways, steps, promenades, and large pedestrian areas. Provides an aesthetically pleasing alternative to traditional paving, asphalt, tarmac, and loose gravel.
• Ultrabead® Poured Insulation Poured insulating layer providing a modern alternative to traditional insulating boards with improved thermal efficiency, productivity, and economy. Applied in situ to create a continuous solid insulating layer with no gaps.
• Ultracem Cement Liquid Screed Next generation cement liquid screed incorporating IntegraCure technology that removes the need for a curing agent and allows for less laborious installation.
• Ultraflo® Hemihydrate Liquid Floor Screed Unique hemihydrate calcium sulphate liquid floor screed designed for use with underfloor heating. Guarantees minimal shrinkage and cracking, improved heat responsiveness, and reduced heat lag delay. Does not suffer from surface laitance and is formulated from a by-product of flue gas desulphurisation.
• Zircon® Polished Concrete Stylish, hardwearing, and low maintenance polished concrete floor product delivering a seamless finish. Available in five colours as an alternative to natural stone, compatible with underfloor heating.

Quantifiable outcome

• Ultraflo installation speed up to 2000m2 per day
• +2 more outcomes

Named customers5 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Colinwell Masonry Products LimitedcoreStrategic or Co-development Partner · 6 April 2024RTU Limited acquired Colinwell Masonry Products Limited as part of its strategic growth plan focused on expanding within adjacent businesses in the UK and Ireland. Colinwell's product portfolio includes concrete and insulation blocks with a long history of industry leadership and a modern design approach. The acquisition aims to increase RTU's market presence and build on Colinwell's established reputation across the UK and Ireland.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Direct peers

• Quinn Building Products: Northern Ireland and Ireland-based manufacturer of concrete products, blocks, and aggregates. Direct comparable to RTU in product range and regional market, with a similar emphasis on ready-mix and masonry solutions for the UK and Ireland construction market.
• Breedon Group: UK and Ireland-listed building materials group producing cement, concrete, aggregates, and asphalt. A directly comparable concrete and screed producer operating in many of the same UK and Ireland geographies as RTU, though at significantly larger scale.

Regional players

• Northstone (NI) Materials: Northern Ireland-based producer of concrete, aggregates, blocks, and asphalt for the local construction market. Comparable to RTU as a regional building materials manufacturer serving overlapping NI customers and project types.
• Kilwaughter Minerals: Northern Ireland-based manufacturer of construction products including renders, mortars, and insulation systems. Comparable to RTU in its Northern Ireland manufacturing base and its focus on value-added building materials for UK and Ireland construction.
• Lagan Group: Northern Ireland-headquartered group with operations in construction materials, including concrete and aggregates. A regional peer with deep NI market overlap and comparable customer base to RTU's core Northern Ireland business.
• McGrattan Concrete: UK and Ireland-based independent ready-mixed concrete supplier. A regional peer comparable to RTU's core ready-mix and screed offering for commercial and domestic customers in overlapping geographies.

Broad incumbents

• Hanson UK (Heidelberg Materials): Major UK producer of ready-mixed concrete, aggregates, cement, and screeds operating nationwide. A broad incumbent in the same core product categories as RTU, with overlapping customers on large commercial and infrastructure tenders.
• Tarmac (CRH): UK's largest producer of heavy building materials including ready-mixed concrete, cement, and screeds. A broad incumbent comparable in core products to RTU, though operating at national scale and competing for the same large UK commercial projects.
• CEMEX UK: Multinational building materials group with a UK ready-mixed concrete, aggregates, and cement business. A broad incumbent directly comparable to RTU in ready-mix and screed categories, competing for UK commercial and infrastructure contracts.
• Aggregate Industries (Holcim): UK-wide producer of ready-mixed concrete, aggregates, asphalt, and cement under Holcim. A broad incumbent operating in the same product categories and competitive tendering environment as RTU across the UK.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/rtu

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about RTU Limited