Slim aluminium casement doors with thermally broken frames
The Sieger Casement Door is a slim aluminium door system designed for projects that need security, flexibility and strong thermal performance in a refined framed design. With fully thermally broken aluminium profiles, single or double opening options and PPC RAL colour finishes, the system is suitable for residential, commercial and architect-led glazing packages.
Designed for flexibility, the Sieger Casement Door can be specified for inward or outward opening applications and manufactured in a wide range of styles and configurations. It is well suited to modern homes, terraces, balconies, side entrances, garden access points and commercial spaces where a robust glazed door is required.
Sieger Systems supplies and installs aluminium casement doors across London, Buckinghamshire, Berkshire, Oxfordshire, Hertfordshire, Surrey, Bath, Bristol and Somerset.
Premium performance
Bespoke made to order
Designed & made in the UK
PRODUCT FEATURES
Sieger casement door features
Slim aluminium profile
Single or double opening
Thermally broken frame
PPC RAL finishes
To learn more about additional features:
Technical performance
| Sightline profile | 101mm |
| Vent profile | 70mm |
| Double opening profile | 202mm |
| Glass thickness | 24-40mm |
| Typical glass specification | DGU |
| Maximum pane weight | 90kg |
| Maximum door size | 1200mm wide x 2400mm tall |
| Thermal performance | Uw value from 1.4 W/m²K* |
| Air permeability | Class 4 to EN 12207 |
| Water tightness | Class 9A to EN 12208 |
| Wind resistance | Class A3 to EN 12210 |
| Opening options | Inward or outward opening, single or double opening |
| Frame finishes | PPC any RAL colour |
GLASS OPTIONS
- Double glazed units
- Glass units from 24-40mm thick
- High performance insulated glazing
- Solar control glass
- Low-E glass options
- Coated or laminated glass options suitable for the system
- Switchable tinted glass
- Heated glass
