Cape Cod Glass Replacement

10 Things every Homeowner should know about Windows

  1. Window Replacement is different from Glass Replacement.
    Window Replacement is changing out the entire window, frame and all—think of upgrading an older home from single pane aluminum frame windows to new vinyl frame windows. Glass Replacement is only replacing the glass portion of the window, like when you’ve broken a window and need it repaired. All window frames are designed to be able to remove and replace the double pane IGU (Insulated Glass Unit).

  2. Every thermal double-paned window eventually fails.
    There is no such thing as a “lifetime” window. Wood framed windows tend to last about 20-24 years (if well maintained). Same with high-end wood/aluminum clad windows. Aluminum frames of the 70’s/80’s typically average 16-18 years. Vinyl framed windows may make it at least 15 years if they have standard or Super spacers. Most vinyl window's, however, have the low-quality Intercept Spacer and these windows begin failing in 5-8 years.

  3. Choosing the best window is like buying a car.
    You get what you pay for. For longevity and performance, the type of frame and IGU spacer are more important than who the manufacturer is. Best buy? Fiberglass or wood/aluminum clad frame with standard or Super spacers. Add a Low-E coating and you have a great window.

  4. Sunshine (solar expansion/contraction) is the biggest cause of window failure.
    This is why your south and west facing windows will fail first. Water exposure is the next biggest culprit. To increase the longevity of your windows, reduce the amount of sun and water exposure they receive. It's recommended that you recaulk your windows every 2-3 years.

  5. Glass is not smooth.
    When viewed under a microscope, glass has a very rough surface. Glass begins to dull and deteriorate the minute after it is made, eventually becoming etched and corroded from water and atmospheric pollutants. Windows that are more than ten years old are noticeably duller than brand new windows. Regular cleaning (min 2x year) is important to keep your windows clear. Imagine how dull the paint on your car would soon be if you only cleaned it once a year! Please contact us for our recommendation on a professional window cleaning company.

  6. Low-E (Low Emissivity) film is a coating.
    It is applied to the inside surface of a double paned IGU that is composed of microscopic particles of metal that selectively reflect long wave radiation (infrared heat). A quality low-e film blocks up to 90% of the sun’s heat coming in a window and reduces the heat escaping a window by at least 60% or more. That’s a difference you can feel!

  7. The biggest cause of early failure in wood framed windows is lack of maintenance.
    Every two years the exterior seam where the glass meets the wood needs to be caulked and the frames painted. Other-wise, rain hits the glass and runs down between the wood and glass where it pools at the bottom of the IGU (Integrated Glass Unit), and rots both the seal on the IGU and the wood frame from the inside out.

  8. Sealed thermal or double-pane windows do not have a vacuum inside.
    Just dry air that acts as an insulating layer. The Dirty Little Secret in the window industry is that windows are not 100% hermetically sealed. Windows breathe very slightly from solar pumping; which is why they build desiccant into the spacers. Argon and Krypton gas are excellent at increasing the insulation ability of your windows—but after a few years of solar pumping it’s all gone.

  9. Vinyl-frames are the worst framing material you can use for windows.
    A south facing, six foot wide frame can expand and contract up to 3/8 of an inch each day. Thermal expansion stress shortens the life span of windows considerably. If you have a lot of sun exposure, consider a different type of window.

  10. Anything that makes a window hotter shortens its life.
    Use external sunshades rather than inside drapes. Window Medics Plus uses very specific window films that carry their own warranty against seal failure. Please request a free quote and samples. Our window films block out 99.9% of the harmful Ultra Violet light that causes fading.

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