Residential Aluminium Doors

Alitherm 400 - Residential Doors

Visotherm Doors

Designer Doors

Alitherm 400 doors perfectly complement the window range, with the same stylish

lines and providing the same ease of fabrication and installation.

Available as open-in or open-out, single or double doors, each door provides excellent weather and thermal performance, as well as the security assurance provided by PAS 24:2022 approval. Security options include a choice of key wind, lift lever or slam multipoint locks.

Visotherm doors are a perfect complement to the window range. Available as single or double doors, with open-in and open-out options, the system provides excellent thermal and weather performance. The doors are also available in an extensive selection of colours, glazing and hardware options to give the perfect finishing touches.

With PAS 24:2016 accreditation as standard, Visotherm doors’ security options include a choice of key wind, lift lever or slam lock multipoint locks to provide a lifetime of assured security.

Bringing you peace of mind with the most secure doors From traditional Victorian, Georgian and Edwardian designs to contemporary chic. Smart Designer Doors offers a wide range of designs, colours and styles for you to choose from. Whichever door suits your home, you can be sure of its outstanding performance, with high-quality locking mechanisms and precision construction combined to give unbeatable strength and security.

The choice of glazing and door furniture will have a major impact on the overall appearance of your door. We have a wide choice of fixed side, or head-light glazing combinations and single-door configurations to make sure the design is just right for your home. Finally, our extensive range of colours guarantees the perfect finishing touch.

Fully compatible with Designer Panels

Suitable for both residential and commercial applications, Alitherm 400 can also be combined with Smart’s Designer Door Panels and range of standard door furniture, which includes colour matched lever handles, and the Quantum range of stainless steel hardware, to create elegant and contemporary entrance doors. 

• Glazed and Solid Panels Available
• Minimal Maintenance
• Long-life Performance
• Excellent Thermal Performance
• An Unrivalled Choice of Colour and Finishes

Features and Specifications of Visotherm Dorrs

• Building Regulations Compliant
• Available as Open-in or Open-out, Single or Double Doors
• PAS 24:2016 Approved Enhanced security for aluminium doors
• Security
• Choice of key wind, lift lever or slam lock multipoint locks
• Thermally Efficient
• Profiles feature an enhanced, low lambda polyamide thermal break for optimum thermal performance
• 3 W/m2K (1.0 W/m2K centre panel)
• Single or Dual Colour
• Choose from our unrivalled range of colours
• Wide Range of Hardware
• Including 316 Marine Grade stainless steel and hardware painted to order

High Performance

• Successfully tested to PAS 24:2016 Enhanced Security Performance.
• 3 adjustable hinges and resistant to 80kg of pressure per hinge.
• 66mm triple glazed and PAS24 security laminated glass units.
• All profiles include a polyamide thermal barrier that enhances thermal performance.
• Thermally efficient glass - with a glass centre pane ‘U’ value from 0.9 W/m2K to 1.1W/m2K, dependant on the glass specified.
• Double-rebated EPDM centre gaskets to provide enhanced weather protection.
• Panel polyester powder coated to Qualicoat and EN 12206-1 standards.