Roof Lanterns
SPANGARD – A THERMALLY BROKEN ROOFLIGHT SYSTEM
Lantern Roof Lights
SpanGard self-supporting roof lanterns and skylights are manufactured from the ThermGard patent glazing system providing excellent thermal performance. Each rooflight is pre-built in our factory and fully fabricated ready for immediate installation on site. The integrated aluminium cill, ridge, hip & eaves members enables roof pitches from 15° to 45° and in some instances beyond, subject to overall width dimensions.
“Your products have stood the test of time and lots and lots of rain!”
– Sat Jandu, The British Museum
Custom made to order, our bespoke roof lanterns include:
- Flat Rooflights
- Hipped Roof Lanterns & Skylights
- Pyramid Roof Lights
- Hexagonal Roof Lights
- Circular Rooflights
- Faceted Rooflights
- Gable Ended Roof Lanterns & Skylights
- Irregular Shape Rooflights
- Continuous Rooflights & Skylights









FAQs
- What is the biggest size roof lantern you can make?
Rooflights up to 6m wide by infinite lengths can be manufactured and delivered in component form for speedy installation. Our other system SafeGard, can be manufactured up to 8m wide subject to pitch and prevailing wind and snow loads.
- Can ventilators be incorporated?
Yes, top hung vents can be fitted into the sloped glazing os skylights or in the upstands of traditional roof lanterns. These may be operated manually or electrically by switch or automatically by control panel.
- Can you do special shapes and sizes?
Yes, at Lonsdale we tend to specialise in custom made rooflights to meet designers imagination. We have also been involved with many historic and prestigious buildings and are able to supply heritage rooflights and roof lanterns including some featuring bespoke aluminium extrusions to match existing.