Actual condensation performance is a function of temperature, humidity and air movement as well as other uncontrolled, site specific factors.Ĭombination unit: Storm window and insect screen contained in a single frameĬondensation: Water that collects as droplets on the glass/sash/panel interior or exterior under certain conditions (typically cold surfaces when exposed to humidity).Ĭonversion kit: Retrofit kit to add tilting capability to 1968 and newer Andersen® Perma-Shield® Narroline® windowsĬornice: An ornamental molding at the top of the window positioned above the exterior trimĬottage window: Double-hung window where the upper sash is shorter than the bottom sashĭesign Pressure: Pressure (measured in pounds per square foot-psf) required by building codes to meet windload requirements. Condensation Resistance ratings are determined under specific laboratory conditions. The higher the number, the more resistant to condensation formation. CR is expressed as a number between 1 and 100.
WINDOWS ON TOP OF THE WALL FULL
High Altitude Capillary Breather Tubes: Very small diameter tubes placed within the unit that allows equalization of the air space due to high elevation pressure differences.īrick mould: Exterior trim around the window frame traditionally used to attached the window to the wallĬasement window: A window hinged on either side the sash opens horizontally opposite the hinge.Ĭasing: Flat, decorative molding used on the interior perimeter of a window or door that covers the space between the unit and rough opening or between unitsĬheck rail: Located on double-hung windows where the bottom sash and top sash meet and the lock/keeper is mountedĬircle Top™ (Half Round) window: Half circle unit consisting of a curved top and linear bottomĬladding: Low maintenance covering or coating attached to the unit exterior to protect it from the elementsĬlear opening area: The size of the opening created when a unit is in a full open positionĬlerestory: Window located up high on wall typically unreachable from ground levelĬoil stock: Roll aluminum that is bent into shape to form a transition piece between the unit exterior and siding/trimĬondensation Resistance: Condensation Resistance (CR) measures how well a window resists the formation of interior condensation.
To help we've collected some of them together and provided an explanation for each.Īir infiltration: Industry test that measures the amount of air leakage through a window or door (the lower the number the better).Īpron: Decorative trim positioned directly underneath a window stool and installed flush against the wallĪrch window: 4 sided unit with a curve at the topĪrt glass: Decorative glass in a variety of colors/shapes/patterns used to accent a window or doorĪstragal: Center post of a double door attached to the fixed or inactive door panelĪwning window: A window hinged at the top the sash swings outward from the bottom.īalancer: Counter-weight mechanism to assist raising or lowering of a double-hung or single-hung sashīay window: Window consisting of three or more units that angle out beyond the wall often configured with a large center unit and two flanking unitsīow window: Window consisting of three or more units projecting out from wall to form a radius
During the process of purchasing windows you're going to come across some terms that you may have never heard before.
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