OverviewRoof Lights
Circular roof lights explained
Circular roof lights bring daylight through a round glazed aperture in a flat roof. Learn how they differ from rectangular units, typical applications and what to specify for a round roof light.
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Glass Wiki
Roof Lights
Frameless, framed, circular and bespoke flat roof lights — sizing, specification and installation.
ReferenceRoof Lights
What thickness should a rooflight be?
Roof light thickness depends on span, glazing build and load requirements — not a single universal dimension. Learn what overall unit depth means, how pane thickness relates to safety and what to confirm at specification stage.
ReferenceRoof Lights
Do rooflights need laminated glass inside?
Laminated inner glass is standard on quality overhead roof lights for safety and fragment retention. Learn why the inner pane is laminated, how it differs from the outer pane and when toughened-only builds are used.
OverviewRoof Lights
Roof lanterns explained
A roof lantern is a raised glazed structure that sits on a flat roof, combining pitched glass planes with a slim frame to flood a room with daylight. Learn how lanterns differ from flat roof lights and when to specify them.
OverviewRoof Lights
Opening roof lights and ventilation
Opening roof lights combine daylight with purge ventilation through a hinged or actuated glazed panel. Learn how they work, manual vs powered options and when ventilation through the roof plane is worth specifying.
How-toRoof Lights
How to size a roof light opening
Correct opening size is critical for roof light safety and weathering. Learn how to measure the structural cut-out, relate it to glass dimensions and avoid the most common sizing mistakes.
OverviewRoof Lights
What is a fixed roof light?
A fixed roof light is a non-opening glazed unit that admits daylight through a flat or shallow-pitched roof. Learn how fixed units differ from ventilating types, typical applications and what to specify.
OverviewRoof Lights
What is a frameless roof light?
A frameless roof light is a flat glazed unit set flush into a roof upstand, with minimal visible frame at the internal finish. Learn how they are built, where they are used and how they differ from framed alternatives.
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