Santoprene
a modest-cost synthetic rubber having physical properties resembling those of natural rubber. It has good weather and temperature resistance, both heat and cold, with ultraviolet stability.
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sash
the operating portion of a hung or horizontal sliding window.
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sash stop
cover in jamb track that reduces sash travel on hung windows.
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screens
usually mounted on the window or door exterior, depending on sash, vent, or panel operation. Screens provide ventilation and transparency and are usually one of three types: insect screens to resist insects, protection screens to resist glass breakage and casual vandalism, or security screens to resist forced entry or escape.
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screw boss or spline
a continuous screw track in an extrusion. The track is designed to accept a specific diameter sheet metal screw to provide a secure means of fastening extrusions without the use of reinforcement.
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segmented vault
utilizing straight sections mitered together to create an arched or curved effect.
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SGCC
Safety Glazing Certification Council - administers tempered glass testing and certification program.
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side load window
a hung window in which the sash is removed by extending the jamb balance clips, raising the sash to full window height, supporting the sash weight, and moving the sash to one side to remove it from the master frame. A side load hung window cannot be a tilt window.
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sill
the lower horizontal member of a window frame.
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sill angle
extrusion that, when applied below the window, permits the gap below the window sill and the opening sill to be closed after window installation.
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single pitch
design pertaining to a single slope of a roof on a skylight, solarium or sunroom, also known as a lean-to design.
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single strength glass
(SSB) 3/32" thickness.
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sliding glass door
a door in which the operating panel slides sideways within the master frame. Each operating panel has rollers to permit easy operation. Also called a patio door. Usually used in applications where passage to exterior patios is required, while providing weather resistance and security. Not to be confused with mall or entrance sliding doors which provide security, but little or no weather resistance.
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sliding window
a window in which the operating sash slide sideways within the master frame. Each operating sash has glides or rollers to permit easy operation.
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solarium
a thermally broken frame and insulated glass unit which makes a room addition to a home or business. Offers energy savings in the moderate price range.
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solid extrusion
an extruded shape other than a hollow or a semi-hollow extruded shape. Less costly to produce compared to semi or hollow shapes.
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spandrel glass glass mounted between floors of a building. It is usually made opaque to hide building components. It should not be used where building occupants can see through the spandrel coating, as the coating will not completely stop daylight from being seen from inside the building.
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STC
Sound Transmission Class - describes acoustical control for interior panels, and, even though inadequate, is currently the only criteria for exterior windows. The higher the number, the better the product is at resisting typical sound frequencies excluding airplane and train noises.
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stile
a vertical sash member.
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straight eave lean-to
describing the angular connection or transition between the vertical front wall and sloping roof of a solarium, sunroom or skylight.
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strap anchor
usually made from galvanized steel, it attaches to the window frame and opening perimeter to be the main installation anchor to resist wind load. The window dead load is usually not supported with strap anchors.
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subsill
extrusions positioned to collect water leakage through mullions and products and drain it to the exterior. Used where high performance water resistance is required and for windows joined with mullions. It runs continuously across the opening width and can be spliced together to cover wide openings. The ends are sealed with end dams.
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sunroom
a thermally broken modular vertical panel wall system with double insulated performance glass, topped off with a 4"-6" thick insulated foam panel roof. Offers maximum ventilation in the moderate price range.
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