Both storefront and curtainwall systems are designed to protect commercial buildings and their occupants from weather, while providing daylight and views of the outside. This shared functionality is where their similarity ends. Each system is specified, engineered, manufactured and installed to best suit the application for which it is intended. Sometimes, they are combined together on the same building and may be paired with entrances, operable vents, windows or sun shades.
Reviewing the features and differences of storefront and curtainwall will help ensure the building envelope meets a project’s aesthetic, water and air tightness, structural integrity, energy efficiency, durability and budget objectives.