Designed for 100mm
Builders Upstand
We use External Upstand Sizes

1.4 WmK System U Value

FREE Delivery within 5-6 Weeks
Solar Control Glass as Standard
Product Description
The unique design of our Frameless Lanterns means we have eradicated the need for glazing bars or aluminium capping’s giving a truly contemporary finish.
We use stepped glass units rather than a timber or aluminium frame meaning more light and a cleaner design.
We are currently offering 13 standard sizes via our online shop; lead times are 5-6 weeks from order.
- 40 Degrees pitch
- Frameless Design
- External skirt colour - Anthracite Grey RAL 7016 (Matt)
- Comfort - Solar control glass (neutral) included as standard
- 4mm Gauge - Powder coated aluminium frame
Simple Installation
Our Frameless Lanterns are factory glazed and designed with simple installation in mind, each unit is supplied pre-glazed ready for installation.
Please note - This rooflight is delivered fully assembled.
Considerations must be made on how to safely lift your rooflight, however once in place it’s as simple as putting a lid on a box !!!
Technical Drawings
Please find below a copy of our technical drawings. If you would like specific drawings for your rooflight please contact us.
How do the Sizes Work?

Our Lantern measurements are taken from outside edge of your kerb / upstand. The structural opening (hole in the roof) measurement would be 200m smaller.
Glass Specification
Our Lantern rooflights are supplied with double glazed super low ’e’ coated units with argon filled cavities.
Our standard glass specification is:
- 28mm stepped double glazed unit.
- 4mm toughened outer pane with solar control,
- 20mm argon filled cavity
- 4mm clear stepped toughened super Low E inner pane.
