Glossary Terms - N

Narrow Stile Door

Usually a door having a stile less than 2-3/4” wide, commonly seen on aluminum or glass front applications.


Unwanted signals picked up in an electric circuit.


Pertaining to parts which do not contain iron. Ideal for use in corrosive environments.

Non-Sized Closer

A closer whose spring tube design allows full adjustment of the spring power size from 1 through 6.