About ASSA ABLOY Security Doors ASSA ABLOY Security Doors designs, manufactures and installs high-performance steel and timber doors, tailor made to individual project requirements, with the support and resources of the global leader in door opening solutions. We offer the UK’s leading ranges of proven security doors – Powershield steel doors and Safeguard timber doors. Our precision-made doors are supplied with factory-fitted hardware and installed by skilled teams of directly-employed site personnel. Our joined-up approach to supply chain management, purchasing, delivery and installation provides clients with assurance that projects will progress swiftly and efficiently. For architects, specifiers and contractors, ASSA ABLOY Security Doors offers one-stop security door solutions from a single, experienced and trusted source that will provide a full project management service from door design to installation.