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Current Board Posts

  • Thursday April 17, 2014

    New windows and a thicker wall

    I've got a house in the Albuquerque, NM area that needs new windows. The ones it has are old aluminum double-paned ones that...

  • Wednesday April 16, 2014

    Trying to decide between options available in my area

    I need some help looking at the options for vinyl replacement windows in my area and just found this site, thought would be...

  • Monday April 14, 2014

    NT Windows

    Is anybody familiar with NT windows? Would appreciate any info you could give me about them and if they manufacture a quality product.

  • Tuesday April 8, 2014

    Hayfield Casement Windows

    In Illinois in my area, Richards Building Supply is where contractors go to buy Hayfield. Hayfield makes wood and vinyl casements. I may...

  • Sunday March 30, 2014

    Norandex Extreme Window

    Does anyone know anything about the Norandex Extreme vinyl windows? Who is making the window for them? Thank...

  • Sunday March 30, 2014

    Double Hung balancing system

    Spiral, block & tackle, and constant force are the three types used to open and close double hung windows. The premium windows...

  • Wednesday April 2, 2014

    Super spacer low e glass

    Well...you better stick around to explain it to the rest of dummies then... :lol:

  • Wednesday April 2, 2014

    Selecting replacement windows...

    Good deal and great window.
    Keep us posted how it goes.
    We love to see follow up on how the project...

  • Sunday March 23, 2014

    window installer

    We are looking to replace windows and sliding glass door in our home in the Osceola,Mishawaka Indiana area.In need of a reputable contractor...

  • Tuesday March 18, 2014

    window world

    Hey All, Am replacing old windows and need some advice. Are the window world new series 4000 windows a good window. the u...

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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.