What Are Louvre Doors? Louvre is an arrangement of parallel, horizontal cutting edges, braces, slats, slips of glass, wood, or other material designed to regulate wind stream or light entrance. Louvers are regularly used in windows or doors to permit air or light in a while, keeping sunshine or moisture out. Louvre doors give better air-flow due to their structure, regardless of whether they are concealing a large closet or working as a standard room passage. For rooms or dif