"VELUX" is the most common brand of rooflight windows. The most common problem with rooflight windows is Condensated Glass Units. By identifying the Type Sign of your rooflight window, we can manufacture and install an exact replacement glass unit.
Every VELUX roof window carries a unique Type Sign that details the type and size of the window. In most cases the Type Sign is located at the top right-hand of the sash, behind the control bar.

Type Signs differ in appearance depending on the model of your VELUX window. Please indentify and select the version of Type Sign on your window from the illustrations below: