Steel Look Aluminium Doors

Steel-Look Alitherm Heritage Doors

At Direct Trade Windows, our steel-look Alitherm Heritage doors from Smart deliver the perfect balance of classic styling and modern performance. Designed to replicate the timeless appeal of traditional steel doors, these aluminium systems feature elegant lines, heritage-style glazing bars, and a refined finish—ideal for period renovations, internal partitions, or contemporary spaces looking for industrial charm.

Engineered with polyamide thermal break technology, Alitherm Heritage doors provide excellent energy efficiency and comply with Document L regulations. Whether used as interior room dividers or secure external doors, they offer robust weather performance, PAS24-certified security, and enduring style—making them a smart and compliant choice for both heritage and modern builds.

Key Features:

• Two design options: 25mm premium slimline bars or 48mm standard for different visual preferences
• Steel-look styling: Traditional appearance with modern performance
• Thermal efficiency: Thermally broken aluminium frames for low U-values
• Weather-tested: Built to BS6375 performance standards
• Secure and accredited: Multi-point locking; PAS24:2016 certified
• Design flexibility: Multiple configurations and glazing options available
• Wide finish range: Choose from RAL colours, dual colours, metallics, and textures
• DDA compliant: Suitable for wheelchair-accessible installations
• Versatile application: Ideal for both internal and external residential or commercial use

Visit our showroom to explore our full range of steel-look aluminium doors and speak with our expert team about finding the right solution for your project.

Our Two Design Options