Full Arch

Louvers are set in a horizontal position and run from top to bottom of opening. A full arch allows more control of light flow as opposed to the fan top. Please note there are always some louvers at the top that will remain fixed/closed.

Segmented Arch

Same application as full arch but is built to follow your window curvature. Fixed louvers at the top also apply to this type of opening.

Segment Fan Top

Same application as a true radius fan top, but fan is built to follow your window curvature. Please note that louvers placed in a segment or non-radius fans are not fully operable. These louvers will be moveable, but due to the angle they will not open fully.

Rake

Same application as "full arch" but is built to follow your window curvature or angle. Fixed louvers at top of panel apply to this type of opening.