AT 310

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.

Thermal insulation (in W/m²K)
Uw up to 0.81
Sound reduction (in dB)
Up to 33
Security
Secured by Design & PAS 24

Technical Specifications

Profile Features

Triple Gaskets

Complete weatherproofing is achieved with the AT 310 aluminium door. As with all Internorm products, they are fitted with three continuous weatherseals. End users are protected, even in the harshest conditions.

Thermal Retention Measures

A foam insulated core and three internal chambers support at 93mm frame depth, allowing the AT 310 to retain the maximum amount of heat. Improve energy efficiency for the end user by choosing this system.

Low Thresholds

The AT 310 aluminium entrance door is available with low thresholds. Doing so improves accessibility for all. Each threshold will be thermally broken, ensuring energy efficiency standards are not compromised.

Profiled Design

The AT 310 is manufactured with a defined, profiled design. Providing sleek and versatile aesthetics, it complements the array of accessories, discreetly installed hardware and 93mm frame depth.

Handles

Eye catching, sleek handles are installed to the AT 310 entrance door system as standard. With a range of security upgrades and lockable variants, you can cater to all commercial needs and end users with the AT 310.

Glazing

High quality lazed panels are available with six applications of the Internorm AT 310 profile. A range of special glazing and security enhancements are available, as well as visual upgrades and decorative designs.

Colours

Internorm’s vast colour portfolio can be selected from with the AT 310 system. Our range of high quality finishes are fade and weatherproof, helping these aluminium entrance doors look newer for longer.

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