Why would I choose a Keylite Roof Window instead of a traditional solid roofed dormer window?

Compared with a dormer window (regarding the corresponding daylight area), Keylite Roof Windows provide significantly more natural light. A roof window installed in a roof pitch of 45° provides up to 40% more light than a traditional dormer.

The roof window allows unobstructed daylight as opposed to the dormer, where the dormer construction blocks some of the daylight from entering the room. In addition, it is much easier to install and maintain Keylite Roof Windows compared with a dormer and there is less heat loss than with a traditional dormer. Keylite now offers a fully glazed Dormer System which offers up to three times more natural light than a traditional roofed dormer.

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