Product information
Fully compliant with Document L of the Building Regulations, the Smart Alitherm Heritage 60 range of single and double doors provides an elegant solution for both new build and refurbishment projects.
The doors’ distinctive slim sightlines perfectly complement Smart’s existing Alitherm Heritage window range, which together mimic the appearance of traditional steel windows and doors – while delivering all the performance benefits of a modern aluminium system.
Providing a ready replacement for steel doors on heritage applications, such as building renovations or apartment conversions, Alitherm Heritage 60 doors are suitable for sensitive conservation areas, where planning regulations require a like-for-like product replacement.
- Featuring an enhanced thermal break offering U Values from 1.4 W/m2K (double glazed) and 1.1 W/m2K (triple glazed). Fully compliant with Document L.
- Range of single and double doors, each with open-in and open-out options.
- Elegant slim sightlines create a clean and elegant aesthetic.
- High quality, high performance solutions for a broad range of applications.
- Complementary range of hardware and extensive palette of colour options
| Door Type | Max W (mm) | Max H (mm) | Frame Depth (mm) | Opening | Air | Water | Wind |
|---|---|---|---|---|---|---|---|
| Single | 900 | 2100 | 67.5 | In | 4, 600Pa | 3A, 100PA | 3, 1200Pa |
| Single | 900 | 2100 | 67.5 | Out | 4, 600Pa | 8A, 450Pa | 3, 1200Pa |
| Double | 900 | 2100 | 67.5 | In | 4, 600Pa | 3A, 100Pa | 3, 1200Pa |
| Double | 900 | 2100 | 67.5 | Out | 4, 600Pa | 8A, 450Pa | 3, 1200Pa |
- Width/height per sash. Dimensions for doors with approved sash profiles.
| Glazing Type | DSER | Typical U Value | Glazing (mm) | Compliancy |
|---|---|---|---|---|
| Triple | A Rating with 0.7 W/m2K | 1.1 W/m2K with 0.7 W/m2K centre pane | 28, 32, 36, 42 | Doc L |
| Double | C Rating with 1.0 W/m2K | 1.4 W/m2K with 0.9 W/m2K centre pane 1.5 W/m2K with 1.0 W/m2K centre pane | 28, 32, 36, 42 | Doc L |
| Brand | Alitherm |
| Material | Aluminium/PVC |
| Dual Colour | Yes |
| Thermally Broken | Yes |
| NBS Available | Yes |
| U Value | Double Glazed: 1.4 W/m2K with 0.9 W/m2K centre pane |
| Document L Compliant | Yes |
| BS 6375-1:2009 | Yes |
| BS 6375-2:2009 | Yes |
| CWCT | Yes |
| Single Door Max Width (mm) | 900 |
| Single Door Max Height (mm) | 2100 |
| Double Door Max Width (mm) | 1800 |
| Double Door Max Height (mm) | 2100 |
| Glazing (mm) | 28, 32, 36 or 42 |
| Frame Depth (mm) | 67.5 |