The aluminum looks in good shape, why are they “worn out”?

The weather striping wears out and deteriorates, the little bushings between the metal pieces wear out and the springs and latches break down. And on top of that, when they were new, they didn’t have a quality Low-E glass plus the aluminum frame made them energy wasters from the beginning.

2017-06-09T11:07:59+00:00June 9th, 2017|
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