Glossary of Terms

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Sunroom Glossary of Terms
 
Commonly used Sunroom terms
Argon: Gas that is used to fill the space between two panes of glass to increase insulation.
 
Atrium: Glass cover for a courtyard.
 
Bay: The distance from one edge of post to the edge of the next.
 
Base Wall: Also known as a pony wall or knee wall. A short wall that is below the glass.
 
Cap: Finish aluminum trim to cover screws or unfinished material differences.
 
Condensation: The moisture that deposits on the glass due to temperature changes.
 
Conduction: The direction of heat as it flows from one solid material to another through direct contact.
 
Conservatory: A classically designed sunroom.
 
Convection: The direction of heat as is flows through gas or liquid.
 
Double Pane: Two panes of glass separated by a spacer and sealed making it a sealed unit with air or gas between them.
 
Eave: Where the front wall meets the roof.
 
Flashing: Metal material that is used to waterproof between layers of construction.
 
Footing: Base of a foundation wall, usually concrete.
 
Foundation: A wall that something is built on or supported by.
 
Front Wall: The full front length of the sunroom between the two gable walls.
 
Gable End: The sidewall or end of a sunroom.
 
Glazing: A system of glass, gaskets, sealants, framing and any other component used in installation of glass.
 
Glazing Track: The base of an extrusion that holds the glass in place.
 
Gutter: A track that collects rain or condensation of water and diverts it to the drain.
 
Heat Transfer: How heat flows from hot to cold. There are three methods of this, convection, conduction or radiation.
 
Length: The dimension that is the same as the front wall.
 
Low E Glass: Polaritic coating applied to the surface of glass that reflects long wave energy.
 
Muntin: Horizontal member used to support the bottom and top edge of sunroom.
 
Rafter: Support member that extends between the ridge and front wall.
 
Shading Co-efficiency: Measure of how glass transmits solar heat.
 
Sill: Horizontal member that is installed first on the floor or pony wall.
 
Single Glaze: One layer of glass.
 
Solar Control: The ability of glass to resist heat flow from the sun’s direct radiation, the short wave energy that lies near visible light in the spectrum.
 
Solar Cool Bronze Glass: A type of glass that has a heat reflective coating. This type of glass reduces the amount of heat entering your sunroom.
 
U-Value: Describes the rate of non solar heat gain or loss through glass.
 
Weepage System: A series of holes and channels in the aluminum framing system that allows accumulated moisture to escape outside.
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