Mailslot Windows Jun 2026

In building design, a mailslot window (often called a or clerestory window) refers to a long, narrow horizontal opening typically placed high on a wall or above a door.

: Placed high on a wall to provide a "ribbon" of sky views. mailslot windows

: Replacing tile with a long, thin window provides natural light directly onto countertops. In building design, a mailslot window (often called