Brand
Kömmerling — European leader in PVC profile production with over 125 years of history. Their windows combine German precision with maximum energy efficiency, making them the best choice for projects requiring uncompromising quality.
More about KömmerlingTechnical Specifications
The flagship ultra-premium lift-and-slide system, certified for passive houses. It delivers the greatest possible thermal and acoustic insulation for enormous panoramic glazing.
Core system specifications:
Glazing and infill choices:
Maximum size limits:
Tested performance values:
Documentation
The flagship ultra-premium lift-and-slide system, certified for passive houses. It delivers the greatest possible thermal and acoustic insulation for enormous panoramic glazing.
For a 2-panel sliding system (3000 × 2200 mm) with basic double-glazed unit.
Alternative solutions from other manufacturers
Side by side
How Kömmerling PremiDoor 88 stacks up against the closest matches from other brands.
| Specification | Kömmerling PremiDoor 88This profile | Rehau Geneo HST | Veka Vekamove 76 | Cortizo E 170 |
|---|---|---|---|---|
| Brand | Kömmerling | REHAU | VEKA | Cortizo |
| Material | PVC | PVC | PVC | PVC |
| Profile depth | 88 mm (frame 207 mm) | 86mm | — | — |
| Chambers | — | — | — | — |
| Glass unit, max | up to 56 mm | up to 53mm | up to 48 mm | up to 40 mm |
| Thermal (Uw) | ≤ 0.9 | 0.80 | 0.83 | ≤ 1.0 |
| Sound (Rw, dB) | ≈ 48 Rw(dB) | — | ≈ 43 dB | ≈ 42 dB |
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FAQs
Its precision lift-and-slide (Hebe-Schiebe) mechanism shifts sashes weighing up to 400 kg with a single one-handed motion. The 88 mm seven-chamber sash sits in a 207 mm frame with reinforcement built to carry that load, so even the heaviest glazed leaf glides smoothly rather than dragging.
A single leaf reaches up to 2900 mm tall and 3000 mm wide, while a full unit spans:
The deep rebate accepts glazing up to 56 mm thick, allowing heavy double and triple-chamber insulating units. You can also fit armoured and acoustic large-format glass, supporting the system's ≤ 0.75 W/(m²·K) Uw and roughly 48 dB Rw on big panoramic openings.
Yes. The advanced floor sill has a thermal break and outstanding isotherm behaviour, engineered for barrier-free passage. A Lux threshold version sinks fully into the floor level so nothing protrudes, while the multi-circuit gasket system adds dedicated seals in the sash-overlap area to stop drafts at that vulnerable joint.
The PremiDoor 88 is the flagship at €2400–3400 with Uw ≤ 0.75 and 56 mm glazing for passive-house spans. If you don't need that, the PremiDoor 76 (76 mm frame, Uw ≤ 0.9, 50 mm glass) starts near €1900, and PremiSlide 76 (Uw ≤ 1.1) from €1000.
It leads the sliding range on insulation:
