What is a roof window?

A Roof Window is a unit designed for installation "in-reach". The Roof Window sash can be pivoted so you can clean the exterior pane of glass from inside the home. Some larger Roof Window models meet building code requirements for egress (emergency escape). Many times Roof Windows are installed in attics being used as living space. Skylights, on the other hand, are usually installed in "out-of-reach" applications.  more

A roof window is a unit designed for installation "in-reach". The Roof Window sash can be pivoted so the homeowner can clean the exterior pane of glass from inside the home.  more

Roof windows are operable windows that are incorporated at part of the design of a roof. Often confused with skylights and sky windows, the roof window does differ from each of these other architectural and natural lighting elements in a few basic ways. A roof window is often a good option when there is a desire to allow both light and fresh air into the space. While many people assume that the roof window is just another name for a skylight of sky window, that is not the case. All three of these design elements are glazed openings that are added to the roof in order to make more efficient use of natural sunlight. However, there are a couple of distinctive traits that set the roof window apart from the other two options. A roof window tends to be larger than a skylight, making it possible to enjoy a wider view of the sky overhead. In addition, skylights are usually stationary; that is, they cannot be opened and closed. With some designs of a roof window, it is possible to retract a ...  more

A Roof Window is a unit designed for installation "in-reach". The Roof Window sash can be pivoted so the homeowner can clean the exterior pane of glass from inside the home. Some larger Roof Window models meet building code requirements for egress (emergency escape). Many times Roof Windows are installed in attics being used as living space. Skylights, on the other hand, are usually installed in "out-of-reach" applications.  more

A roof window has many other names, such as a roof light, or sky light, but probably the most common name is the trade name of velux or velux windows. It is so popular it is almost generic, such as the word Hoover or Biro pen. We have come across many problems with this type of window over the years when carrying out structural surveys and home buyer reports.  more

According to Fakro’s terminology a roof window is a window that pivots open.  more

Roof windows are windows inserted into the roof to provide additional light to the rooms into which they are located and are not operable.