ProX galvanized-steel headers offer easy, consistent installation with no welding required, while reducing field cutting and trimming. These headers ae code compliant (IBC 2012/2015, CBC 2013/2016, IAPMO ER-0286), and engineered to provide increased strength while using fewer pieces due to improved load values in lighter gauge materials. ProX headers are pre-engineered components is designed as a 1- or 2-piece steel that can be used in lieu of 4- or 5-piece built-up (stud and track) headers in both interior and exterior applications, including door and window openings.