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A multiple glazed unit is a combination of two or more glass sheets separated by an aluminum spacer, which is glued to the glass by a butyl tape to form a close chamber. The spacer bar is filled with a granular silica gel, which has the capacity to absorb the residual amount of moisture in the chamber. Important characteristics of modern glazing are: thermal transmittance (U-value), solar factor, light transmittance and, last but not least, sound insulation.
The great variety of glass on the market presupposes a great variety of multiple glazed units as well. Today’s energy efficiency requirements necessitate the use of LOW EMISSION GLASS (К GLASS) in the multiple glazed unit.
• IMPROVES THERMAL INSULATION
Thermal transmittance of the double glazed unit (Ug):
- from ordinary float glass with a thickness of 24 mm - Ug = 2.8 W/m2.K
In order to improve thermal insulation, the air inside the unit can be replaced by argon gas, which leads to a decrease in the thermal transmittance by 0.2-0.3 W/m2.K.
Types of glass: |
