What Structural Metal Decks does

Structural Metal Decks (SMD) is a Poole, Dorset-headquartered specialist in composite structural floor and roof decking systems, founded in 1987 and operating as Structural Metal Decks Limited (Companies House No. 03560591). The company designs, manufactures, supplies, and installs a proprietary portfolio of metal floor deck profiles (R51+, TR60+, TR80+, TR220) and structural roof deck profiles (SR30+ through SR200), complemented by shear studs, high-visibility studs, edge trim, flashings, VoidSafe® void protection, soffit fixings, fall arrest systems, and concrete topping services. SMD is one of the few UK deck specialists that both manufactures and installs its own profiles, with regional contract teams covering England, Wales, and Scotland and directly employed, FASET-trained site operatives. Manufacturing capacity is partly delivered through a long-standing partnership with Firth Steels, established in 1990 for production of R51, TR80, TR60+/TR80+ and roof deck profiles.

Revenue is generated through three primary streams: a Complete Solution package combining design, manufacture, delivery and installation of floor deck, shear studs, concrete topping and fall arrest systems on multi-year contracts; a UK Supply Only channel (minimum 300m² orders, smaller quantities directed to SMD Stockyards); and a Supply Only Export channel with door-to-door logistics for international buyers. Customers are predominantly building contractors and steelwork fabricators serving high-rise residential, commercial, logistics, hospitality, cultural, and infrastructure projects. Notable referenced projects include The Shard, Amazon Hull, Travelodge Wimbledon, the Philharmonie de Paris, Japan Tobacco International Geneva, the Burj Khalifa Cooling Station, and the Dubai Ski Centre.

SMD operates additional engineering and distribution infrastructure in Mumbai (SMD Intech), Dubai, and Cyprus, with logistics centres in the UK Midlands and Scotland. The company holds ISO environmental accreditation and Gold Status in the BCSA Sustainability Charter. Its technology stack includes the proprietary Elements® design software suite (desktop tool, product selector, span tables/graphs, and Span Check mobile app), downloadable BIM models, and the TGN Online technical guidance library, which is positioned as an industry benchmark. The company is privately held following a 1998 management buyout by Sid Pratten and Roger Firth, with current Managing Director Ben Pratten and Technical & Finance Director Jamie Turner leading a workforce of over 100 across the UK, India, and Dubai.

Name

Structural Metal Decks

Legal name

Structural Metal Decks Limited

Website

https://smdltd.co.uk

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

101–250 employees

Short description

Structural Metal Decks (SMD) is a UK-based specialist designing, manufacturing, and installing proprietary composite metal floor and roof decking systems. Founded 1987, SMD serves building contractors and steelwork fabricators across the UK and international markets via a Complete Solution model.

Ownership category

akta.pro rank

Product category

Structural Metal Decking

NAICS

Fabricated Structural Metal Manufacturing (332312), Prefabricated Metal Building and Component Manufacturing (332311), Sheet Metal Work Manufacturing (332322)

SIC

Fabricated Structural Metal Products (3440), Sheet Metal Work (3444), Prefabricated Metal Buildings & Components (3448)

akta.pro primary industry

Sheet Metal & Ductwork Contracting (IMAFALAH)

akta.pro secondary industries

Metal Cladding, Soffits & Trim (Non-Panel Components) (IMADACAM), Fasteners, Anchors & Connectors (Bolts, Weld Studs, Plates) (IMADACAJ)

Keywords

• Structural metal decking
• Composite floor decks
• Roof decking profiles
• Shear stud connectors
• Metal deck installation

Headquarters

HQ city

Poole

HQ country

United Kingdom

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Product Sales (Supply Only): Sale of metal floor deck, roof deck, shear connectors, edge trim, flashings, and void protection products. Available for UK domestic, export, and complete solution (supply and installation) contracts.
2. Installation Services: Site installation of structural floor and roof decking systems, shear stud welding, fall arrest systems, and concrete pours. Delivered through directly employed and expertly managed site operatives.
3. Complete Solution Package: Integrated single-source package combining design, supply and installation of metal decking, shear studs, reinforcement, and concrete topping. Provides single point of responsibility for entire suspended composite floor package.
4. Technical Software & Tools: Design software, span tables, product selector tools, and BIM models provided to support product specification and project design.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels8 records

Core offering

Structural Metal Decks manufactures, supplies, and installs structural metal floor and roof decking profiles, shear connectors (welded shear studs and HVBs), and associated accessories including edge trim, flashings, closures, soffit fixings, and the VoidSafe void protection system. The company offers three core service models: Supply Only (UK and Export), Supply & Fix (delivery and installation), and a Complete Solution combining supply, installation, and concrete pouring, supported by in-house Elements design software and a CAD design/technical support team.

Product overview

Structural Metal Decks (SMD) is a specialized provider of structural floor and roof solutions to the UK construction industry. The product portfolio centers on metal decking systems — specifically four floor deck profiles (R51+, TR60+, TR80+, TR220) and eight roof deck profiles (SR30+ through SR200) — complemented by accessory products including shear studs, HVBs, edge trim, flashings, Voidsafe® void protection, and soffit fixings. SMD offers a complete solution package that combines design, manufacture, delivery, and installation services for floor deck, shear studs, concrete topping, and fall arrest systems. The company's technology offering includes the Elements® suite of in-house developed design software (covering product selection, span tables, span graphs, and a mobile app) and the TGN Online technical guidance library. Services are delivered through regional contract teams across the UK, with additional supply-only options for UK and export markets.

Differentiator

Problem solved

Functional benefit

Products and services

• R51+ Floor Decking Profile A 51mm deep re-deck floor profile designed specifically for refurbishment and replacement of existing metal floor decking on existing steel frameworks, allowing new composite slabs to be formed on legacy structures.
• TR60+ Composite Floor Deck A 60mm deep trapezoidal composite floor decking profile used as permanent formwork and reinforcement in concrete slabs for commercial and industrial steel-framed buildings.
• TR80+ Composite Floor Deck An 80mm deep trapezoidal composite floor decking profile offering longer unpropped spans for commercial and industrial multi-storey steel structures.
• TR220 Long-Span Floor Deck A 220mm deep long-span composite floor decking profile engineered for car parks, stadia, and other applications requiring long unpropped spans between supporting beams.
• SR30+ Roof Deck Profile A 30mm deep shallow roof decking profile for low-pitch standing seam or single ply roofing systems on commercial and industrial buildings.
• SR35+ Roof Deck Profile A 35mm deep roof decking profile for low-pitch standing seam and membrane roofing applications.
• SR60+ Roof Deck Profile A 60mm deep roof decking profile providing medium-span capability for commercial and industrial roofs.
• SR100+ Roof Deck Profile A 100mm deep roof decking profile for long-span commercial and industrial roof applications.
• SR135 Roof Deck Profile

Quantifiable outcome

• Un-propped spans in excess of 3.5m with TR60+ profile
• +4 more outcomes

Named customers7 records

Segments5 records

Ideal customer profiles3 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.

• Firth SteelscoreOEM/ Whitelabel/ Licensing Partner · 1 January 1990Manufacturing partnership established in 1990 for R51 production. SMD works closely with Firth Steels in ongoing product development, with Firth Steels manufacturing deck profiles including TR80 (2000), TR60+ and TR80+ (2009) and roof deck profiles (2016).

Scale indicators6 records

Recent moves9 records

Expansion highlights5 records

Broad incumbents

• ArcelorMittal: ArcelorMittal produces the Cofrastra and related composite deck ranges integrated with its global steel mills. It is a broad incumbent in the metal decking space, competing on large industrial and commercial projects where mill-backed supply security is valued.
• Severfield: Severfield is a UK-based structural steel fabrication and erection group that historically founded SMD and remains active in the same steel-frame construction value chain. It is a broad incumbent and historical parent, comparable on customer base (UK main contractors) rather than product overlap.
• BlueScope Steel: BlueScope manufactures coated and structural steel products including Lysaght branded roofing and walling profiles serving Asia-Pacific and global construction markets. Comparable as a broad incumbent in metal building products though SMD is more specialised in structural floor decks.

Direct peers

• Voestalpine: Voestalpine's Cofraplus and similar trapezoidal and re-entrant composite floor decks compete with SMD on European commercial and infrastructure projects, with particular strength in Continental European steel construction markets.
• Kingspan Group: Kingspan's Multideck profile range is a category-defining composite floor deck used widely across UK and Irish construction. Kingspan is a direct peer because it competes with SMD's Complete Solution package on steel-frame commercial and multi-storey projects.
• Tata Steel: Tata Steel manufactures the well-known ComFlor composite floor decking range and supplies through its UK and European steel service centres. It is the most prominent direct competitor to SMD's R51+, TR60+, TR80+ and TR220 floor decks on UK commercial projects.

Regional players

• Canam Group: Canam manufactures steel joists and metal decking (Canam Deck) primarily serving North American construction markets. It is a regional peer comparable on product, manufacturing scale and project type though operating in a different geography from SMD.
• ASC Profiles (AEP Span): ASC Profiles manufactures metal floor deck, roof deck and structural profiles for North American commercial construction. It is comparable on product (composite floor and roof decks) and complete deck-installation service offering though geographically concentrated in North America.
• Metal Profil: Metal Profil produces profiled metal sheets, structural decking and roofing systems primarily serving Central and Eastern European construction markets. It is a regional peer comparable on product family and supply-and-fix service offering though not active in the UK.

Emerging players

• Bemo Systems: Bemo produces standing seam metal roofing and decking profiles for European commercial projects. It is an emerging player with partial product overlap in structural roof deck and standing-seam systems where SMD competes via the SR30+ to SR200 roof deck range.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/SMD_Ltd
• YouTubeyoutube.com/channel/UCOgUldaXMTSBP74krBGvGEg
• Facebookfacebook.com/SMDLimited
• LinkedInlinkedin.com/company/structural-metal-decks-ltd
• Instagraminstagram.com/smd_ltd

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries1 record

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 Structural Metal Decks