About Us

Interior Exterior Technical Reference

The Interior Exterior Technical Reference is a national technical organization that excels in bringing technical awareness to specialty interior and exterior construction. Bringing the user an invaluable ability to research codes and standards, details and documentation in a singular site eliminate the need to research various locations. With the collective knowledge and experience of multiple trade associations, IETR is best able to provide its users with up to date technical resources on Lath, Plaster, Gypsum Board, Metal Stud Framing, EIFS, CI, and Acoustical Ceilings. The design community, code officials and Union Trade Workers will find this platform a non-propriety, unified voice with a singular goal of assisting the interior and exterior construction community.