McVay Brothers' service department is pleased to offer quality insulated glass products to replace failed units in existing vinyl windows.

New Glass or New Windows?

If you have newer vinyl windows and in some rare cases aluminum frames, replacing the insulated glass may be a good alternative, especially if you are preparing your home to sell.  If you have wood, older vinyl, steel or narrow glass units in aluminum we recommend you speak to a sales representative about new windows.

  1. Primary Seal: Polyisobutylene (PIB) minimizes moisture permeation, is UV resistant and provides an outstanding argon barrier.

  2. Secondary Seal: Specially formulated silicone for IG units provides long-term adhesion, is unaffected by UV exposure and provides excellent durability when exposed to moisture. Silicone also provides structural integrity.

  3. Spacer: Stainless steel spacer features a roll form design to provide maximum area for primary and secondary sealant coverage. It provides increased resistance to condensation and less stress on IG seal system. No polymer content eliminates the risk of chemical fogging.

  4. Desiccants: Beaded molecular sieve provides initial frost points below -65°F. Desiccant assures optimum moisture adsorption while minimizing the effects of temperature-related pressure changes.

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115 N Sycamore, Spokane WA 99202

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