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Nail plate (Timber Roof Structures) – galvanised steel plate punched to form a nail pattern integral with the plate and used as a structural connector.
Nail-plate (Timber Roof Construction) – Galvanised steel plate punched to form a nail pattern integral with the plate, which is used as a structural connector.
Natural finish– A transparent finish which does not seriously alter the original color or grain of the natural wood. Natural finishes are usually provided by sealers, oils, varnishes, water repellent preservatives, and other similar materials.
Newel post– The large starting post to which the end of a stair guard railing or balustrade is fastened.
Node (Timber Roof Structures) – point of intersection of various members that make up the panels of the truss.
Nonbearing wall– (Non load-bearing wall) A wall supporting no load other than its own weight.
Nosing– The projecting edge of a molding or drip or the front edge of a stair tread.
Notch– A crosswise groove at the end of a board.