Sash windows, also known as hung, have been manufactured with one or several panels that move and form a frame that holds glass panes in place. These panes of glass are usually separated with narrow muntins. Also known as glazing bars, these muntins are wood or metal strips.
Essentially, all windows that have this sort of glazing design are classified in this way, yet the term is mostly used in reference to units that have glazed panels that slide horizontally or vertically to. These models are known as sash and case, sliding or Yorkshire light. Robert Hooke, a scientist and inventor, is credited with design of these types of units.
Most Georgian and Victorian homes have these accents. Although the sizes tend to range, traditionally these include six over six panes. This type of design allows for a maximum opening and ventilation of half the total space. Each movable panel includes springs, compression weatherstripping or balances to hold it in place.
To make sure that the structures can operate correction, the panel weight is balanced using heavy steel, cast iron or lead weight, or counterweight placed in the frame. This weight attaches to the structure by cord or chain that goes across a pulley along the top of the frame. Spring balances may be used instead. Often these designs are made with softwood and single glazed. There are also double glazed models available, though they are not as common.
Wood versions may be troublesome. Common problems related to these models includes rot, distortion of the woodwork, swelling, rattling in the wind and other problems related to the poor application. Because these structures are able to slide, they are more likely than traditional models to wear down and have problems.
Sash windows, although high maintenance, have many advantages. Aesthetically they are pleasing, they make use of natural resources and they follow historic building and housing laws. One of the key advantages is their ability to efficiently cool a building interior, especially in warm temperatures.
Essentially, all windows that have this sort of glazing design are classified in this way, yet the term is mostly used in reference to units that have glazed panels that slide horizontally or vertically to. These models are known as sash and case, sliding or Yorkshire light. Robert Hooke, a scientist and inventor, is credited with design of these types of units.
Most Georgian and Victorian homes have these accents. Although the sizes tend to range, traditionally these include six over six panes. This type of design allows for a maximum opening and ventilation of half the total space. Each movable panel includes springs, compression weatherstripping or balances to hold it in place.
To make sure that the structures can operate correction, the panel weight is balanced using heavy steel, cast iron or lead weight, or counterweight placed in the frame. This weight attaches to the structure by cord or chain that goes across a pulley along the top of the frame. Spring balances may be used instead. Often these designs are made with softwood and single glazed. There are also double glazed models available, though they are not as common.
Wood versions may be troublesome. Common problems related to these models includes rot, distortion of the woodwork, swelling, rattling in the wind and other problems related to the poor application. Because these structures are able to slide, they are more likely than traditional models to wear down and have problems.
Sash windows, although high maintenance, have many advantages. Aesthetically they are pleasing, they make use of natural resources and they follow historic building and housing laws. One of the key advantages is their ability to efficiently cool a building interior, especially in warm temperatures.
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