Iowa Code
Chapter 564 - EASEMENTS
Section 564.2 - Light and air.

564.2 Light and air.
Whoever has erected, or may erect, any house or other building near the land of another person, with windows overlooking such land, shall not, by the mere continuance of such windows, acquire any easement of light or air, so as to prevent the erection of any building on such land.
[C73, §2032; C97, §3005; C24, 27, 31, 35, 39, §10176; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §564.2]