-Moulding and Millwork Jargon-

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Sapwood-
Outer layers of growth between the bark and the heartwood which contain the sap.

Scotia-
A deep concave moulding more than 1/4 round in sections; reverse of torus; cove moulding.

Screen Moulding-
A small moulding which covers the seam where screening is fastened to the screen frame.


Screen Stock-
A S4S moulding originally used in the construction of screens.  Used extensively in cabinet work and finished carpentry where a clear strip is required.  Many times referred to as S4S stock.

Sets-
Mouldings or jambs sold as a unit or two sides and a header, usually for installation around a door opening.

Shelf Cleat-
A moulding commonly used in closets to support the shelves, also shelf strip.

Shingle/Panel Mould-
A decorative patter, originally used to trim out raised panel wall construction.  It is most useful fabricated as a frame, surrounding attractive wall covering for a paneled effect on walls.


Shorts-
A general term for lumber and moulding lengths under 6 feet.

Sill-
The horizontal member forming the bottom of a window or exterior door frame; as applied in general to construction, the lowest member of the frame of a structure, resting on the foundation and supporting the frame.

Smooth Sawn-
The surface is machined by fine saw work.

Softwood-
Softwoods are one of the botanical groups of trees that have persistent needle-like or scale-like leaves.  Most softwoods are evergreens.

Solid Moulding-
Non-finger-jointed mouldings; solid length.

Specified Lengths-
Mouldings sold and shipped in lengths specified by the customer such as all "7 and/or 14-feet," "8 and/or 16-feet," "all 8-feet, " etc.

Sprung-
The interior corner of a moulding "beveled off" to better fit a right angle joint; in contrast to non-sprung or plain moulding.

Stain-
A discoloration of the wood.  Brown stain is due to a chemical reaction occurring in the drying of some species.  Blue stain is cause by the growth of mould like fungi on the surface or in the interior of the wood prior to the time the wood is dry.  The stain does not effect the strength of the wood, and the growth of the fungi stops once the wood is dry.  Stain, in grading rules is defined as light, medium, and heavy.  Light stain is so slight that it does not effect the appearance for natural finishes.  Heavy stain is permitted only in paint grades.

Sticker-
A woodworking machine designed to run mouldings and other wood members with regular or irregular profiles.

Straddle moulding-
A two member decorative glass bead-like moulding around the light opening of a flush door.

Stool-
A moulded interior trim member serving as a sash or window frame sill cap.


Stop-
In door trim , stop is nailed to the faces of the door frame to prevent the door from swinging through.  As window trim, stop holds the bottom sash of a double-hung window in place.


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