TCNA

Tile Council of North America. This organization writes and updates a book that is the gold standard for installing tiles. This is the standard that we use to determine if the work is being done correctly.

ROS

Record Of Survey, this is a recorded document that is provided by a surveyor to definitively determine the bounds of a property.

CSI

Construction Specification Institute, a 16-code way of organizing construction processes. Master Format is a 50-Division code for finer detail.