A type of door or window frame that utilizes a 'Nailing Fin' to be installed/fastened to the rough opening. [top]

An accessory component or integral extension of a window or patio door frame which generally laps over the conventional stud construction and through which nails are driven to secure the frame in place. (Typically on 4500T or 5000 Series Windows) [top]

A synthetic rubber having physical properties closely resembling those of natural rubber but not requiring sulphur for vulcanization. Extremely good weather resistance (both heat and cold) with ultraviolet stability. Commonly used for glazing gaskets. [top]

National Fenestration Rating Council.
A body which has established methods for rating and certifying the energy performance of windows. [top]

Installations or components with the prefix 'Non-Seismic' refer to either an installation project that need not conform to a seismic building code, or components used on a 'non-seismic installation'. Non-seismic installations typically use different extrusions and installation techniques than Seismic installations. [top]

The term not in contract (N.I.C.) refers to anything that is detailed in the Window Shop Drawings or requested by the Contractor that is not in the original scope of work. [top]