Insulated Window Glass

The glass used in most home windows is insulated. It is the insulated glass that keeps the temperature inside our homes from escaping out. It is normally more cost efficient to replace only the glass portion of the window keeping the frame intact.

How do you insulate glass?

Insulated glass is produced by placing a spacer between two panes of glass and sealing the edges of the unit. The air is trapped between the two pieces of glass and acts as an insulator to reduce the rate at which heat and cold can travel through the unit.

When do I need to replace my insulated glass window?

Even if one of the glass panes is broken or cracked, the entire unit looses its insulating properties. The other sign that the unit is loosing its insulating properties is when the seal around the unit fails resulting in a foggy appearance between the two panes of glass.

How can I further improve Insulating properties of my windows?

There are a number of ways that can be used to improve temperature control properties of insulated glass, but the most common ways are:

1. Use true seal as the spacer.
2. Use argon gas in between the glass panes.
3. Use decadent filler in spacers to minimize moisture.

What do I need to know before I place an order for insulated glass?

• Glass length and width: Be careful measuring, glass may be concealed in a window pane or frame.
• Glass thickness: Don't guess or randomly choose thickness for replacement glass or it may not fit the existing structure.
• Overall unit thickness: This is the thickness between the two panes of glass, from outside of one side to the outside of the other side. This can be a little tricky especially if the unit is intact.
• Glass type: Does your glass replacement project require tempered (safety) glass, low-E glass, or clear annealed glass.
• Location and accessibility: How accessible is the window from indoor or outdoor? First floor, Second floor? Etc.

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