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Replacement Window Spacers

Intercept Spacer System

To learn more about Intercept Spacers, visit PPG.

From the PPG web site:

Features/Benefits of the Intercept? Insulating Glass System

  1. Reduced Interior Condensation

    Intercept? I.G. units feature "Warm-Edge" technology that reduces condensation problems around the window perimeter. Compare the Intercept? insulating glass window at top with a conventional insulating glass window on the bottom. Both windows have Low-E glass and argon infill. The difference is the Intercept? "Warm-Edge" spacer.
    With Intercept? Spacer With Aluminum Spacer


    Cold side temperature=0?F

    Room side temperature=72?F

    Room side relative humidity=25%

  2. Reduced Heat Loss

    Intercept? spacers are so energy efficient they keep the edges of the window glass warmer, so your home feels more comfortable in the winter. As you can see below, the temperature difference between the edge of an insulating glass unit with an ordinary spacer, and one with an Intercept? spacer system can be dramatic.

    This thermograph or "heat picture' compares room side glass temperature for an Intercept® I.G. unit (left, yellow is warmer, blue is cooler), and a conventional I.G. unit (right). Since the Intercept® I.G. allows for significantly warmer glass temperature, especially at the edges, your home will feel more comfortable.

  3. Improved Insulation Glass Unit Life
    • Less condensation means:
      • less stains or damage to windows or walls
      • higher allowable relative humidity indoors/less annoying static electricity
      • better clarity of view

    Under normal weather conditions, I.G. units expand and contract with temperature changes. In conventional insulating glass units, sealant takes the stress of the flexing, which can cause seal failure and insulating gas loss.

    Intercept? spacers (top) flex instead of the sealant during temperature changes. So it resists spacer movement and sealant failure.
    With conventional aluminum spacers, the sealant flexes which can lead to sealant failure and loss of insulation ability.
  4. Warmer Glass Temperature means:
    • Better insulating value (89% higher R-value)
    • lower energy bills
    • less drafts/improved comfort