NAIMA
North American Insulation Manufacturers Association.
NASPEC
North American Specification for the Design of Cold-Formed Steel Structural
Members (an AISI Standard).
NBC
National Building Code.
Neoprene
A synthetic rubber (polychloroprene) used in liquid-applied and sheet-applied
elastromeric roof membranes or flashings. Also once used as gasketing material
beneath the head of metal screw fasteners (although most now use EPDM).
Newton
SI unit of measure for force (N).
Non-Structural Panel
Panels which are not generally designed to carry loads and are not normally capable of
spanning between structural supports without benefit of substrate materials such as
wood, metal or concrete decks. Applied snow, dead, live, concentrated and wind loads
are resisted by the support substrate.
Noble
Cathodic.