INSULATED GLASS
What is it?
Insulated glass units (IGUs) were developed and introduced into the overseas commercial and residential window markets in the 1930s. IGUs (often referred to as double glazed units or thermos) are a combination of two or more panes of glass spaced apart with a spacer bar. The glass panes are then hermetically sealed to form a single unit with one or more air spaces in between. Heat transfer by radiation, conduction and convection is reduced by the extra glass and air barrier that an IGU offers over single glazing. The correctly specified IGU will improve thermal performance which will reduce heating and cooling costs of the dwelling.
Glass panes in an IGU are separated by a ‘spacer’. Spacers can be found in a number of commercially available materials, each of which has an effect on the performance of the IGU.
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Some advantages of using insulated glass:
01
Comfort
02
Efficiency
03
Functionality
04
QUALITY
Some History
Before 1992 most of the spacers were made of aluminum. This material is a great conductor of heat and cold. In summer time it gets hot and increases the chances of seal failure of the window. In winter time it gets cold, making the edges of the window glass colder. That reduces the energy efficiency of the replacement window.
In 2005, IGP started making IGU’s using the Intercept Warm Edge Spacer. Intercept features a one piece U-shaped spacer, that reduces conducted heat loss. The U-shaped system is flexible and does not allow for seal failure.
With the warm edge Intercept spacer your window is going to expand in summer time and contract in winter. No condensation is going to happen between the window panes as well.
Why choose IGP?
At IGP, we are qualified to assist you with preferred configurations and specifications to achieve desired energy rating benchmarks.
