Curtain Walling Contractors Northallerton | Aluminium Doors & Windows

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Curtain Wall Design – Manufacture – Suppliers – Fitters/Installation – Northallerton

Alan Carnall Ltd specialise in the design, manufacture & fitting of aluminium curtain walling systems. We offer a full curtain walling fitters service in Northallerton from initial curtain walling project designs to curtain walling installations and are specialist structural glazing and curtain walling contractors and suppliers of large-scale composite aluminium systems to commercial & industrial clients throughout the UK. Our curtain walling systems can be fully integrated with most aluminium door systems. These systems are typically used for ‘grand design’ builds, commercial developments, or local authority buildings. We offer our installation services for both new builds and replacement composite windows, as well as more complex projects.

Aluminium Fabricators

Thats our promise!


We can design complete bespoke aluminium designs to meet your exact requirements. Please ask us how we can help you on the right track.


We manufacture all our Aluminium projects and fitments at our in house factory. We are within easy reach of all major UK road links and towns.


Our highly trained installers can offer you a full Installation service for your aluminium curtain walling & entrances anywhere in the United Kingdom.


A curtain wall is defined as thin, usually aluminum-framed wall, containing in-fills of glass, metal panels, or thin stone. The framing is attached to the building structure and does not carry the floor or roof loads of the building. The wind and gravity loads of the curtain wall are transferred to the building structure, typically at the floor line. Aluminum framed wall systems date back to the 1930’s, and developed rapidly after World War II when the supply of aluminum became available for non-military use. Curtain wall systems range from manufacturer’s standard catalog systems to specialized custom walls. Custom walls become cost competitive with standard systems as the wall area increases.

Aluminium curtain walling & glazing systems

Alan Carnall offer a range of curtain walling and glazing systems, to meet any client requirements. Our team of curtain walling and glazing specialists can take on all aspects of your project, from creative design solutions, manufacture and installation, providing the optimum finish on time and on budget.