Dome roof lights and roof lanterns are both raised above the flat roof plane, but they differ in form, material and architectural intent. Compare profiles, materials, cost and when each suits your project.

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ComparisonComparisons

Glass vs polycarbonate for roof lights

Glass and polycarbonate are both used in overhead glazing, but they differ sharply in clarity, durability, thermal performance and regulatory acceptance. Compare the two materials for UK roof light specification.

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ComparisonComparisons

Thermal vs non-thermal roof lights

Thermal roof lights use insulated glass units with low-E coatings and warm-edge spacers to limit heat loss. Non-thermal or single-skin units offer little insulation. Compare U-values, condensation risk, regulations and when each specification is appropriate.

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ComparisonComparisons

Circular vs rectangular roof lights

Circular and rectangular roof lights differ in form, light distribution and manufacturing constraints. Compare aesthetics, maximum sizes, installation and when each shape suits your extension or refurbishment.

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ComparisonComparisons

Fixed vs opening roof lights

Fixed roof lights admit daylight only; opening units incorporate hinges or actuators for ventilation. Compare profiles, cost, weathering, controls and when each type suits UK residential extensions.

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ComparisonComparisons

Roof lantern vs flat roof light

Roof lanterns and flat roof lights both bring daylight into single-storey extensions, but their form, internal volume and architectural character differ. Compare profiles, light distribution, cost and when each suits your layout.

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