Storefront framing systems are often specified for curtainwalls, but should only be used for lower structural performance applications. Storefronts are non-load-bearing glazed systems that occur on the ground floor, which typically include commercial aluminum entrances.

What defines a curtain wall?

A curtain wall is defined as thin, usually aluminum-framed wall, containing in-fills of glass, metal panels, or thin stone. The framing is attached to the building structure and does not carry the floor or roof loads of the building. … Custom walls become cost competitive with standard systems as the wall area increases.

What is the main difference between a storefront and a window?

As nouns the difference between window and storefront is that window is an opening, usually covered by one or more panes of clear glass, to allow light and air from outside to enter a building or vehicle while storefront is the side of a store (or other shop) which faces the street; usually contains display windows.