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Code Guides ABOUT

Your home window installation may require compliance against IECC or Energy Star codes for your area.
The Code Guides app shows whether a given window system complies, arming you with vital information for your next window purchase.

To Start - Click on map icon below and select city

Location NearSelect From Map
HERE IS MAP
Code Guides performance
Frame Class 1
Frame Class 2
Frame Class 3
Coating
Gas
U-Factor
ER
SHGC
U-Factor
ER
SHGC
U-Factor
ER
SHGC
LoĒ -180
Air
Argon
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
ERROR BOX HERE
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About
Performance
Code Compliance
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More About Cardinal

Since 1962, Cardinal's mission has been to provide the highest quality glass products for residential windows throughout the world.

Today we’re the largest fabricator of sealed insulating glass units and supply over half the low-emissivity coatings used in North America. We now distribute our energy efficient and durable glass products worldwide.

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