As the county seat, the City of Howell is. centrally located within Livingston County. As. the most populated city in the County, Howell is. known for its rich architectural history and. Romanesque style county courthouse that is on. both the State and National Registers of. Historic Places.
The term Fenestration Testing Laboratory (when used with an architectural meaning and/or in regards to a building envelope) refers to either an individual test facility or the collective group of independent testing laboratories that have been inspected and accredited by nationally and internationally recognized governing bodies to perform ...
Performance Class Overview. Fenestration standards are always evolving due to changes in technology, building codes and rating system performance requirements. The performance-based, material-neutral North American Fenestration Standard (NAFS) governing windows, doors and skylights, AAMA/WDMA/CSA 101/I.S.2/A440, is no exception.