Window covering

Material used to cover a window for functional purposes A Superdrug store with boarded windows during the 2009 G-20 London summit protests Window coverings are considered any type of materials used to cover a window to manage sunlight, privacy, and insulation (weatherproofing etc.), as opposed to window treatments, which are used for purely decorative purposes. Description and design Window coverings and treatments comprise materials used to cover a window to manage sunlight, privacy, additional weatherproofing or for purely decorative purposes. Window coverings are typically used on the interior side of windows, but exterior solutions are also available. Window coverings may be used to manage overheating and glare issues due to sunlight. Designers may consider these variables in the context of visual comfort indices, which include light quantity (sufficient light to perform tasks), direct sunlight (which may lead to overheating), light uniformity (light distribution over the task plane), and glare. Window coverings can provide a sense of privacy. It is important to consider both privacy in terms of the view from the outside in and from the inside out. Poor privacy is often caused