Why choose Lighthouse Aluminium Roof Lanterns?

Lighthouse Aluminium Roof Lanterns are slimmer, stronger, lighter - Less is definitely more.

No cover plates or mechanical assemblies. No thick, chunky profiles dominating the glazing. Lighthouse’ unique system design is pure engineering magic. Super strong, light, 40mm aluminium box rafters create slim, elegant roof profiles with excellent thermal performance. Compared to conventional roofs sold by competitors, Lighthouse slashes the visible width and sightlines of rafters by 30% and the sightline of the ridge by as much as 70%.

This unique design creates a feeling of MORE SKY – LESS ROOF giving you visible elegance to your roof design and appearance – less is definitely more.

Twice as efficient

A U-Value (W/m2K) is simply a measure of heat loss from a building structure – for instance a roof, or a window and frame. A high U-Value means thermal insulation is poor whilst a low U-Value indicates a good thermal insulation.

As a glazed roof is made up of both glass and rafters, you want low U-Values from both. High performance glass is usually rated at 1.1 or 1.2 U-Value, but the value of roof rafters vary considerably. The lighthouse rafter has a U-value of 1.5 W/m2k which is twice as thermally efficient as its nearest competitor (which are over 3).

When using doubled glazed Low e glass (U-value 1.1W/m2k) the overall Lighthouse roof has a U-value of as low as 1.2 W/m2k.

The Lighthouse roof rafter U-value improves to 0.95 W/m2k when glazed with triple glazing.

When using triple glazing Low e glass the Lighthouse roof has an overall U-value of as low as 0.7 W/m2k.

Key benefits

With thermal insulation performance that’s twice as good as the competition, you can enjoy:

Need more help choosing your roof lantern?

PDF Download our free guide to choosing your roof lantern.
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