SimplifyDIY Glossary: N-O

N

Needle
A wooden beam that temporarily supports a section of wall above an opening before a permament RSJ or lintel is installed.

Newel
The largest stout post supporting a staircase handrail at top and bottom. Also, the central pillar of a winding spiral staircase.

Noggin
Horizontal reinforcing timber fixed between the vertical studs in a stud partition wall, and those fitted between floor joists.

Nosing
A stair tread with a rounded edge that projects beyond the riser below.

O

Oversite
Rough concrete below timber ground floors.

Olive
A sealing ring included in a compression plumbing fitting.

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