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Current Board Posts

  • Saturday November 22, 2014

    Reynolds Vinyl Window

    I purchased Reynolds Vinyl Windows in 1996 and they have condensation in most of them. I was told to get the model number...

  • Thursday November 20, 2014

    Warranty question

    Do lifetime/double-lifetime warranties for the best vinyl manufacturers (like Okna) typically cover only the product or do they cover labor as well? For...

  • Thursday November 20, 2014

    Simonton 5500 spec questions

    I am putting an addition on my house and have decided to use a Simonton 5500 window. I am in Orlando, FL...

  • Wednesday November 19, 2014

    How to test the quality of a window?

    When companies bring vinyl window samples to your home (or when you're in a showroom), what kinds of tests should a consumer do...

  • Tuesday November 18, 2014

    Schuco aluminum commercial tilt and turn window repair

    how do i replace the multipoint latch gearbox on a commercial schuco tilt and turn...

  • Monday November 17, 2014

    Which is the most reliable replacement window on a budget???

    Hi All,
    I'm new to the forum, have been reading up for days, and was hoping for some individual...

  • Monday November 17, 2014

    any suggestion for the vinyl windows?

    Hi, i live in IL and i am planning to replace the aluminum windows to vinyl windows.one contractor quotes the 23 double hung...

  • Saturday November 15, 2014

    Cold weather window caulk recommendations

    What are some quality window caulks that would be ok for sub 40 temperatures? I live in MASS, and the temps here have...

  • Thursday November 13, 2014

    Window Install Question

    I have a crew installing Restorations windows (mostly casement) as I type. They are installing further to the inside then the windows that...

  • Wednesday November 12, 2014

    What size to order given diagonal measurement difference?

    I'm replacing 21 original (early 1980s) wood windows (single hung, single pane) with vinyl pocket windows. Twenty will be double hung (11 32x54,...

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Do it Yourself- Replacement Window Video

 

Vinyl Replacement Window Glass

 

Layers of Glass and Air Spaces

Replacement Windows Rating

Single-pane. This has very little insulating value with (approximately r-1). It provides only a thin barrier to the outside and can account for considerable heat loss and gain.

Double-pane. To improve a window's energy efficiency the number of glass panes in the unit is doubled, because multiple layers of glass increase the window's ability to resist heat flow.

Triple Pane. These windows create an even more energy efficent window often with gas sealed in the frame. Triple Pane will add weight and expense to the window. They are used for northern climates and soundproofing near airports and highways.

Types of Glass

There are various types of glass manufacturers use in constructing windows.

Clear glass has been the primary material available for window panes in homes. However, in recent years, the market for glazing--or cutting and fitting window panes into frames--has changed significantly. Now several types of special glazing's are available that can help control heat loss and condensation.

Low-emissivity (low-e) glass. This has a special surface coating to reduce heat transfer back through the window. These coatings reflect from 40% to 70% of the heat that is normally transmitted through clear glass, while allowing the full amount of light to pass through.

Heat-absorbing glass. This contains special tints that allow it to absorb as much as 45% of the incoming solar energy, reducing heat gain. Some of the absorbed heat, however, passes through the window by conduction and re-radiation.

Reflective glass. This has been coated with a reflective film and is useful in controlling solar heat gain during the summer. It also reduces the passage of light all year long, and, like heat-absorbing glass, it reduces solar transmittance.