The AT 200 is a sleek, contemporary aluminium entrance door. Perfect for residential projects, these versatile Internorm systems deliver eye-catching aesthetics inside and out. With an array of customisation options, the AT 200 can cater to an array of prospective end users.

Lightweight, easy to install and perfect for all commercial projects, the AT 200 delivers a well rounded and reliable performance and is distinguished through its exposed door hinges.

The AT 310 is a versatile, high end aluminium entrance door with great commercial application. Available in six distinguished models, the AT 310 can suit both contemporary and heritage builds, all while performing to an exemplary standard.

Lightweight in composition and easy to install, these doors are long lasting and appealing to look at. They deliver a comprehensive performance, serving a variety of functions in all commercial projects.

The AT 500 is a smooth and adaptable aluminium entrance door, great for all applications. Available in four distinguished models, the AT 500 will elevate any door installation with its sleek design and practical features.

Our AT 500 range is stylish, durable and secure, featuring a 5-lever locking mechanism for maximum security. With a cavity filled structure and rounded edged, our AT 500 aluminium entrance doors deliver quality performances.

The AT 510 is a versatile aluminium entrance door, designed to combine modern style with reliable performance. Available in four striking models, it enhances any property with a sleek profile and practical benefits tailored for everyday living.

Our AT 510 range offers strength, durability and energy efficiency, featuring a secure 5-lever locking system and a panel structure with an insulating glass core. With its unique rounded interior edge and square exterior finish, the AT 510 balances refined aesthetics with dependable functionality.

The AT 520 aluminium entrance door offers a perfect balance of sleek aesthetics and advanced performance. Available in a selection of refined models, it combines durability, security and energy efficiency in one complete system.

With its distinctive profile and innovative construction, the AT 520 is designed to elevate modern living standards while enhancing the look of any property.

The AT 530 is a premium aluminium entrance door, engineered for outstanding efficiency and long-term reliability. With its contemporary profile, durable build and advanced insulation, it delivers both performance and style.

Available in multiple refined designs, the AT 530 is the perfect choice for homeowners seeking a modern, secure and energy-conscious entrance solution.

The AT 540 is our flagship aluminium entrance door designed for flush surfaces both inside and out. With first-class thermal performance, high security features and modern design aesthetics, it’s built to suit contemporary architecture and discerning homeowners.

Combining clean lines with robust construction, the AT 540 is engineered to deliver performance without compromise at all times.