DB Building and Joinery
Structural Steel Specialists
Precision Steel
Built to Last
Structural steelwork fabrication and erection for commercial, industrial, and agricultural projects. ISO 9001 & EN 1090 certified. Trusted across Northern Ireland since 2009.
Structural Steelwork Services
Fabrication, supply, and erection of structural steelwork for commercial, industrial, and agricultural construction projects in Northern Ireland.
Structural Steel Fabrication
Fabrication of structural steelwork for beams, columns, trusses, portal frames, and custom steel structures. Full in-house workshop facilities. Request a quotation for detailed specifications and project requirements.
Steel Erection
On-site erection and installation of structural steelwork for commercial, industrial, and agricultural projects. Professional teams equipped for safe and efficient on-site assembly. Request a quotation for your project.
Cladding Services
Supply and installation of steel cladding systems for industrial and commercial buildings. Insulated panels, profile sheets, flashings, and complete weather-tight envelope solutions. Full warranty and aftercare service.
Plasma & Oxy Cutting
Plasma and oxy-fuel cutting services for steel fabrication. CNC plasma cutting for precise profiles and components. Fast turnaround on custom cutting jobs.
Bespoke Machinery & Buildings
Design and manufacture of custom steel machinery and agricultural buildings. Specialist fabrication for unique applications and building requirements.
Asbestos Removal
Safe and compliant asbestos removal services for industrial buildings and facilities. Professional handling and disposal of asbestos-containing materials. Contact us to discuss your asbestos removal requirements.
About DB Building
and Joinery
DB Building and Joinery is a structural steel fabrication and erection contractor based in Bellaghy, Co. Derry, Northern Ireland. Established in 2009, we provide fabrication, supply, and erection services for the commercial, industrial, and agricultural construction sectors.
Our fabrication facility is equipped for structural steelwork manufacture including beam processing, column fabrication, welded assemblies, plasma and oxy cutting services. We operate an in-house design team for bespoke machinery and building projects. All fabrication work is carried out to BS EN 1090 standards with full material traceability.
ISO 9001 certified quality management system ensures consistent standards across all projects. Service areas include Belfast, Bellaghy, Antrim, Armagh, Londonderry, and all counties in Northern Ireland. Project types include portal frame buildings, structural frameworks, bespoke machinery, and cladding installations.
Health & Safety
CSCS certified site operatives. Method statements and risk assessments provided. Public liability insurance held.
Certifications
ISO 9001 quality management system. EN1090 product certification for structural steel. CE marked steelwork. Full material certification and traceability.
Workforce
Coded welders to ISO 9606. Time-served fabricators. Trained erection crews with plant operation tickets.
Service Area
All counties in Northern Ireland covered. Belfast, Antrim, Armagh, Down, Fermanagh, Londonderry, Tyrone.
Accredited & Certified
Independent certification to internationally recognised standards
ISO 9001 Quality Management System
Lisburn — Quality Management System certification to ISO 9001
Ensures consistent quality across design, fabrication, and installation processes
EN 1090 Product Certification
EN 1090 product certification for structural steel
CE marking compliance for the execution of structural steel and aluminium structures
All certifications independently audited and maintained to current standards
Completed Projects
Examples of structural steelwork projects completed for commercial, industrial, and agricultural clients in Northern Ireland.
Industrial Cladding Tower
Steel cladding installation on a multi-level industrial processing tower. Profile cladding with integrated windows, access doors, and structural steelwork.
Multi-Story Commercial Building
Structural steel roof trusses and framework for a multi-story brick commercial building. Complex roof truss system installed during active construction phase.
Modern Residential Complex
Structural steelwork and dark cladding installation for a modern residential complex. Complete steel framework with glazed panels and balcony supports.
Project Gallery
Recent completed structural steelwork projects showing fabrication quality and the equipment we use across commercial, industrial, and agricultural sites.
Agricultural Steel Building
Bespoke Steel Machinery Installation
Industrial Steel Units
Bespoke Modular Building
Industrial Steel Cladding
Steel-Framed Storage Building
Request a Quotation
Get a detailed quotation for your structural steelwork project. Our team responds to all enquiries within 24 hours during business days. Free consultation available.