







Skylux iDome openable with PVC curb 20/00 EP 0750 x 1750 mm
Always combine with a skylight of your choice to fully optimise the insulation
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Skylux iDome openable with PVC curb 20/00 EP 0750 x 1750 mm

| Number of walls | Double-walled |
| Insulation value (Ug-value) | 0.93 W/m²K in combination with a single-walled skylight 0.79 W/m²K in combination with a double-walled skylight 0.69 W/m²K in combination with a triple-walled skylight 0.61 W/m²K in combination with a four-walled skylight 0.55 W/m²K in combination with a five-walled skylight 0.71 W/m²K in combination with a six-walled EP10 skylight |
| Burglar-resistant | Yes |
| Fall-through safety | Only in combination with a polycarbonate plastic skylight |
| Acoustic value Rw | 40 dB |
| LT-value |
68% in combination with a single-walled clear acrylic skylight
62% in combination with a single-walled opal acrylic skylight 61% in combination with a double-walled clear acrylic skylight 52% in combination with a double-walled opal acrylic skylight 55% in combination with a triple-walled clear acrylic skylight 47% in combination with a triple-walled opal acrylic skylight 48% in combination with a four-walled clear acrylic skylight 44% in combination with a four-walled opal acrylic skylight 44% in combination with a five-walled clear acrylic skylight 40% in combination with a five-walled opal acrylic skylight 66% in combination with a single-walled clear polycarbonate skylight 44% in combination with a single-walled opal polycarbonate skylight 59% in combination with a double-walled clear polycarbonate skylight 55% in combination with a double-walled clear polycarbonate skylight |
| g-value | 46% in combination with a single-walled clear acrylic skylight 40% in combination with a single-walled opal acrylic skylight 40% in combination with a double-walled clear acrylic skylight 31% in combination with a double-walled opal acrylic skylight 34% in combination with a triple-walled clear acrylic skylight 27% in combination with a triple-walled opal acrylic skylight 29% in combination with a four-walled clear acrylic skylight 25% in combination with a four-walled opal acrylic skylight 25% in combination with a five-walled clear acrylic skylight 22% in combination with a five-walled opal acrylic skylight 44% in combination with a single-walled clear polycarbonate skylight 32% in combination with a single-walled opal polycarbonate skylight 38% in combination with a double-walled clear polycarbonate skylight 37% in combination with a double-walled clear polycarbonate skylight |
| Shape | Spherical |
| Guarantee | 10 years |
The Skylux iDome is composed of a compact, insulating PVC frame and super insulating glass HR++. This skylight window is always combined with a dome of choice and offers the perfect insulation.
- double-walled safety glass HR++ and a skylight dome of your choice
- with low and compact PVC frame
- high insulation value: Ut = 0.93 W/m²K in combination with a single-walled skylight
- maximum light surface = daylight size
- suitable for all types of flat roofs
The Skylux flat roof window is available in 19 different rectangular or square dimensions. Our largest size is the 1 by 2 metre skylight, which is also available in fixed and openable versions.
Product details
Performance per combination (Glass + skylight)
Each addition of an extra wall to the skylight improves the thermal insulation (U-value). The finish (Clear, Opal, Heatstop) determines how much light and solar heat enters.
(Explanation of terms: U-value = Insulation value (the lower, the better) | LT = Light transmission | G = Solar gain/Heat transfer)
iDome + Single-wall dome
The most popular base for maximum daylight.
- Insulation value (U-value): 0.93 W/m²K
- Clear (Acrylic/PC): LT: 66-68% | G: 44-46%
- Opal (Acrylic/PC): LT: 44-62% | G: 32-40%
- Heatstop (PC): LT: 37% | G: 31%
iDome + Double-wall dome
The perfect balance between extra insulation and high light output.
- Insulation value (U-value): 0.79 W/m²K
- Clear (Acrylic/PC): LT: 58-61% | G: 37-40%
- Opal (Acrylic/PC): LT: 38-55% | G: 27-33%
- Heatstop (PC): LT: 31-33% | G: 24-27%
iDome + Triple-wall dome
High-performance thermal insulation for living spaces.
- Insulation value (U-value): 0.69 W/m²K
- Clear (Acrylic/PC): LT: 53-55% | G: 33-34%
- Opal (Acrylic/PC): LT: 46-47% | G: 25-27%
- Heatstop (PC): LT: 28-30% | G: 21-23%
iDome + Four-wall dome
Extreme insulation for passive or nearly zero-energy building (NZEB).
- Insulation value (U-value): 0.61 W/m²K
- Clear (Acrylic/PC): LT: 48% | G: 28-29%
- Opal (Acrylic/PC): LT: 44% | G: 24-25%
- Heatstop (PC): LT: 24-26% | G: 17-20%
iDome + Five-wall dome
The absolute top in energy savings.
- Insulation value (U-value): 0.55 W/m²K
- Clear (Acrylic/PC): LT: 44% | G: 25%
- Opal (Acrylic/PC): LT: 40% | G: 22%
iDome + EP10 skylight
Maximum thermal performance with diffused light.
- Insulation value (U-value): 0.60 W/m²K
- Opal (Acrylic/PC): LT: 38% | G: 22-23%
Rw value (Acoustic insulation rating in dB)
For those bothered by tapping rain or ambient noise, sound insulation is essential. The Skylux iDome series is absolutely at the top when it comes to noise reduction.
- Rw value iDome: 40 dB (Constant across all plastic top domes)
- Performance: This makes the iDome almost 2x quieter than a standard 3-wall plastic dome! Say goodbye to annoying tapping during a rain shower.
Glass & Construction
- Glass composition: Laminated inner pane and toughened outer pane.
- Super-insulating PVC frame: The compact window frame is filled with EPS (Ue-value 0.49 W/m²K) for maximum insulation without thermal bridges.
- Self-cleaning effect: Because the flat glass is covered by a domed plastic skylight, dirt rinses away easily and no water remains on the surface.
- Burglar-resistant & Safe: Neatly finished, fitted with anti-burglary screws/clips and 100% fall-through safe.
Specifications and manuals.
All documentation for design, specification and installation. Technical files, installation manuals and drawings - ready to download.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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