01 · Essential
Essential
High-performance aluminium for well-proportioned openings.
- Efficient thermal performance
- Refined sightlines
- Strong everyday specification
RÄHMEN product ranges
Windows and doors,
beautifully engineered.
Selected aluminium systems for openings where proportion, performance and installation quality matter.
01
Sliding doors
Large-format aluminium glazing for generous openings, long views and quiet sightlines.
02
Bi-fold doors
Wide-opening systems that make the transition between inside and outside feel effortless.
03
Aluminium windows
Slim-framed fixed and opening windows specified around daylight, proportions and performance.
04
Entrance doors
Architectural entrance doors designed as part of the elevation, not an afterthought.
05
Glazed partitions
Internal screens that divide space without sacrificing light or visual connection.
System selection
Not one system.
The right system.
The opening comes first. The system comes second.
RÄHMEN selects the level of specification according to the opening, performance brief, architecture and installation conditions — rather than simply selling the same system on every project.
02 · Premium
Premium
Larger openings, reduced sightlines and enhanced specification.
- Greater opening potential
- Enhanced glass and threshold options
- Higher architectural flexibility
03 · Bespoke
Bespoke
Project-engineered where the building demands something beyond the normal range.
- Specialist configurations
- Project-specific engineering
- Designed around the building
Indicative specification matrix
Compare the important things.
A simple guide to how the specification changes. Final figures are confirmed for the exact opening, glass and configuration.
| Specification | Essential | Premium | Bespoke |
|---|---|---|---|
| Typical maximum leaf / opening potential | Up to 2.5m* | Up to 4.0m* | Project engineered |
| Indicative U-value range | From ~1.4 W/m²K* | From ~1.1 W/m²K* | Engineered to brief |
| Typical sightline potential | ~80–120mm* | ~50–100mm* | Project specific |
| Glazing | Double / selected triple | Double / triple / specialist | Specified to brief |
| Thresholds | Standard / low-level options | Enhanced low-level options | Project-specific interfaces |
| Best suited to | Extensions & renovations | High-end extensions & new homes | Architecturally demanding openings |
*Indicative across the RÄHMEN product set, not a promise for every opening. Maximum dimensions, U-values and sightlines vary by product type, configuration, glass, wind loading and installation conditions. The final technical schedule is confirmed before manufacture.