K Systems

What K Systems does

K Systems is a UK and Ireland-focused manufacturer of External Wall Insulation (EWI) systems, operating as the branded EWI division of Northern Ireland-based Kilwaughter Minerals Limited (part of the Kilwaughter Group). Founded in 1993, the company designs and supplies complete EWI assemblies based on three insulation cores — mineral wool (K Systems M), graphite-enhanced EPS (K Systems E), and phenolic foam (K Systems P) — complemented by drained cavity systems (Exicco for steel/timber frame, Aricco for low-rise timber frame and SIPS), a KIWA-certified Direct Fix system for steel frame structures, and a finish range spanning silicone thin coat renders, dash aggregate, acrylic and clay brick slips (VBriQ and VBriQ+). All major systems carry BBA accreditation (up to 30 years), with NSAI certification for Ireland and KIWA BDA where applicable.

The commercial model is hybrid: hardware sales of complete EWI systems are routed through an approved installer network across Scotland, North England, North London, South/East London, South West England/West Midlands, Northern Ireland, and Republic of Ireland, supplemented by a direct regional sales and technical specification team for large-scale enterprise projects including high-rise refurbishment and new-build developments. Revenue is complemented by professional services revenue from specification support, project design assistance, CPD-accredited training (K Academy, including PAS 2035/2030), and digital specification tools (System Designer, U-Value Calculator, Colour Simulator). The company operates four offices (St Helens, Glasgow, Larne, Cork) and serves housing associations, local authorities, housing developers, modular construction firms, and select commercial, education, and health sector clients, with active alignment to UK government retrofit funding programmes (Building Safety Fund, Cladding Safety Scheme, Developer Fund).

Name

K Systems

Legal name

Kilwaughter Minerals Limited

Website

https://k.systems

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

51–100 employees

Short description

K Systems, part of Northern Ireland's Kilwaughter Group, manufactures External Wall Insulation systems (mineral wool, EPS, phenolic) for the UK and Ireland construction market, selling via an approved installer network and a direct regional sales team to housing associations, developers, and public-sector clients.

Ownership category

akta.pro rank

Product category

External Wall Insulation Systems

NAICS

Clay Product and Refractory Manufacturing (3271)

SIC

Plastic Material, Synth Resin/Rubber, Cellulos (No Glass) (2820)

akta.pro primary industry

Insulation & Air/Vapor Barrier Systems (Thermal, Acoustic, WRB/AVB) (IMAFAMAD)

akta.pro secondary industry

Foam Plastic Insulation (EPS/XPS/PIR/PUR) (IMADAGAD)

Keywords

• External wall insulation
• EWI systems
• Façade insulation
• Thin coat renders
• Brick slip cladding

Headquarters

HQ city

St. Helens

HQ country

United Kingdom

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. External Wall Insulation Systems: Sale of complete EWI systems including insulation boards, fixing systems, and render/finish products. Revenue generated from material sales to approved installers and direct to contractors for large projects.
2. Technical Support Services: Specification support, project design assistance, and training services provided through K Academy to support system installation.
3. CPD Training: Continuing Professional Development seminars on PAS 2035 & 2030 and External Wall Insulation topics.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

K Systems manufactures and supplies External Wall Insulation (EWI) systems for new-build and retrofit residential and high-rise projects across the UK and Ireland. Its offering spans three insulation chemistries — mineral wool (K Systems M), graphite EPS (K Systems E) and phenolic foam (K Systems P) — plus drained-cavity systems (Aricco, Exicco), a rail-less Direct Fix system, and a portfolio of decorative finishes (silicone thin coat render, dash render, VBriQ+ clay brick slips, VBriQ acrylic brick slips, Brick Rend). Systems are BBA, KIWA and NSAI certified, include A1/A2-s1,d0 fire-rated options for high-rise, and are sold through an approved installer network with technical and CPD support from the in-house team and K Academy.

Product overview

K Systems is a manufacturer of External Wall Insulation (EWI) systems serving the UK and Ireland construction market. The product portfolio consists of four main EWI system families: K Systems M (mineral wool-based, highest fire resistance), K Systems E (EPS-based, economical), K Systems P (phenolic foam-based, highest thermal performance), and Aricco (drained/vented cavity for timber frame). Additionally, Exicco offers drained cavity systems for steel/timber frame buildings, and Direct Fix provides KIWA-certified solutions for steel frame structures. These systems are complemented by a range of finish products including Silicone Thin Coat Renders, Dash Render & Aggregate, VBriQ+ Clay Brick Slips, VBriQ Acrylic Brick Slips, and Brick Rend. Supporting tools include System Designer, U-Value Calculator, and Colour Simulator. The company also offers training through K Academy. All products are backed by BBA, NSAI, and KIWA certifications, with 30-year accreditations on many products.

Differentiator

Problem solved

Functional benefit

Brands

• K Systems M: Mineral wool External Wall Insulation system generating exceptional performance with highest levels of fire resistance and non-combustibility.
• K Systems P
• K Systems E
• Exicco
• Aricco
• VBriQ
• VBriQ+
• Silicone Thin Coat Renders

Products and services

• K Systems M

Quantifiable outcome

• U-Value reduction from 2.09 to 0.257 W/m2.K achieved on Moss Bank BISF homes project
• +2 more outcomes

Named customers9 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• Kilwaughter Group (Kilwaughter Minerals Limited)coreOthersK Systems is part of the Kilwaughter Group. The legal entity is Kilwaughter Minerals Limited (Company Number NI001351). Kilwaughter Minerals (Ireland) Limited (Company Number 131611) handles Republic of Ireland operations.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Saint-Gobain Weber: UK arm of Saint-Gobain, offering a wide portfolio of renders, EWI systems, tile adhesives and façade solutions; competes with K Systems on EWI projects while also cross-selling insulation, drywall and adjacent building-envelope products.
• Sto SE: Major German building-envelope manufacturer with a strong UK EWI presence (StoTherm, StoRend, StoBrick); larger global scale and broader product portfolio place it as a broad incumbent overlapping with K Systems on high-rise and social-housing projects.
• Kingspan Group: Global building-envelope manufacturer with insulated panels, façades and insulation boards; competes with K Systems on steel-frame and new-build projects and increasingly on high-performance façade systems.
• Rockwool: Global mineral wool insulation manufacturer supplying the upstream input K Systems uses in its K Systems M system; also competes at the finished-system level through partners and adjacent façade offerings.
• Baumit: Austrian building-envelope group with EWI systems, renders and façade finishes distributed across Europe; operates in overlapping UK and Irish channels and competes in the same housing-association and developer specification pipeline.

Direct peers

• Wetherby Building Systems: UK-based direct competitor manufacturing external wall insulation (EWI) systems with silicone renders, brick-slip finishes and a similar minerally wool/EPS/phenolic product range; serving the same housing-association and developer customer base.
• PermaRock: Direct UK EWI peer offering mineral wool, EPS and phenolic external wall insulation systems with BBA certifications and render finishes, competing head-to-head on social housing and high-rise retrofit projects.
• Alsecco (DAW Group): UK arm of German DAW Group's Alsecco brand, supplying EWI systems with render and brick-slip finishes to social housing, new-build and refurbishment projects — a directly overlapping competitor in the same specification channel.

Emerging players

• EWI Pro / EJOT: UK-focused EWI systems and fixings supplier targeting social housing and modular-construction projects; smaller scale than K Systems but conceptually overlapping on mineral wool and EPS EWI assortments.
• Wienerberger (Sandtoft / Koramic): European clay brick and brick-slip manufacturer with a UK presence through Sandtoft. Its clay brick-slip products compete directly with K Systems' VBriQ+ clay brick slip system on new-build and refurbishment façades.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@kilwaughtergroup
• LinkedInlinkedin.com/company/k-systems-kilwaughter-minerals
• Xx.com/KSystemsEWI
• Facebookfacebook.com/KSystemsEWI

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about K Systems