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• Vertical main frame and door panel extrusions are
|
|
reinforced
with aluminum |
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• Triple weather-stripping where door panel meets main frame |
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• Double weather-stripping where door panels interlock |
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• energySMART® Supreme Glass |
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• Safety glass |
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• Ultra-Welding at the door panel corners transforms |
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four extrusions
into a strong, one-piece door |