Electric Thermalight
The Thermalight Hinged Glass Rooflights
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In total there are three variants of hinged Thermalight glass rooflight, Manual Access, Manual Ventilation and Electric Ventilation/Access.


Key Features:
- Safe low voltage operation
- Bespoke sizes are available
- Concealed operating system
- Rigid two point opening
- Installation kits, transformer and switch
- Large opening capacity (3 square metres) (limits apply to access versions)
- Mains free back-up available (optional extra)
- Minimum framework
- Maximum Daylight
- Dual colour capablities as standard
The below table is a good guide of sizes available. Please note that we are able to manufacture to any specific dimensions within the minimum and maximum parameters shown in the table.


| Technical Data | All sizes quoted are overall external weathered upstand sizes |
| Recommended minimum kerb height | 150mm (to avoid invalidating roof guarantees). |
| Minimum kerb thickness | 100mm (150mm recommended) |
| Recommended pitch on kerb | 5 degrees |
| Minimum unit size (outside kerb edges) | Vent only: 750 x 450mm-hinged side. Access 900 x 900mm |
| Standard glass | 32mm DGU; 6mm toughened outer; 20mm black silicone sealed spacer; 6mm Low E coated toughened inner pane. |
| Maximum unit kerb size (outside kerb sizes) |
Access: 2000mm (hinged side) x 1000mm; Vent Only: 2000mm (hinged side) x 1400mm |
| Opening method extra option | Twin drive electrical opening to vent position, for access units' gas strut assisted to approximately 85 degrees. Access unit, manual vent, glass or insulated panel for access hatch only, rain sensor, remote control, thermostatic control, installation kit including transformer. |
| Electrical requirement | 24 volt dc power supply required, transformer provided at extra cost. |
Thermalight Electric Hinged glass rooflights can be manufactured to most configurations.
For more information, please call our technical department on 01276 451555.
DOCUMENTATION:
If you would like assistance at any time about any of the rooflights or would like further details of our range, then please do not hesitate to contact us on 01276 451555, e-mail us at info@nationaldomes.com or use this e-mail form to contact us.

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