How long will a window last?

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  • · Most of today’s windows are made from a frame material and an insulating glass “sandwich”-each component subject to wear, weathering, and potential failure.
  • · Weather-stripping in the frame and moving parts can wear out with use.
  • · An insulating glass panel may suffer a broken seal after years of expansion and contraction with temperature changes-creating a “fogged” look as moisture accumulates between the glass panels.
  • · According to the National Institute of Standards and Technology (NIST), some windows can last up to 50 years.

Some of the factors that go into the determination include:

  1. Frame material
  2. Quality construction practices and building style
  3. Product quality
  4. Climate and exposure
  5. Routine care and maintenance
  6. Replacement of parts that wear with use with an AAMA Certified product that’s cared for, you can expect to increase the service life.