Argon Gas -
Argon is a safe, odorless, colorless, non-toxic, non-flammable inert gas that is commonly used in place of air between the glass panes of an insulated Low-E glass unit to reduce temperature transfer.
Bay Window -
A composite of three windows, usually made up of a large center fixed unit and two flanking units at 30°,45° or 90° degree angles to the wall.
Beading -
This architectural term refers to a narrow, half-round molding that spans the edge of the vinyl siding.
Beveled Exterior -
An angled extension from the frame that adds an aesthetically-pleasing dimension to the exterior of the window.
Block Frame Window -
Used when replacing the wood sash of an old double hung wood window.
Bow Window -
A composite of four or more window units in a radial or bow formation.
Cam Lock and Keeper -
The mechanisms which pull the sash together when placed in the locked position.
Casement Window -
A window unit in which the single sash cranks outward, to the right or left.
Casing -
Molding of various widths, thickness and shapes applied to the framework of window and door units.
Caulk -
A mastic compound for filling joints and sealing cracks to prevent leakage of water and air, commonly made of silicone, bituminous, acrylic, or rubber-based material.
Caulking -
To fill a joint with mastic or asphalt cement to prevent leaks.
Clapboard -
A thin, narrow board with one edge thicker than the other.
Conduction -
Energy transfer from one material to another by direct contact.
Convection -
Heat transfer by currents that flow from a warm surface to a colder one.
Double-hung Window -
A window unit that has two operable sashes which move vertically in the frame.
Drip Cap -
A molding placed on the top of the casing of a window frame.
Drip Edge -
A non-corrosive, non-staining material used along the eaves and rakes to allow water run-off to drip clear of underlying construction.
Double or Dual Glazing -
Use of two panes of glass in a window to increase energy efficiency and provide other performance benefits.
Glossary (argon gas - duel glazing)
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