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  • Monday April 27, 2015

    Revere Sovereign vs Vytex Fortis - Worth the difference?

    Hello -
    Looking to add 5 double hung, double paned windows with Simulated Divided Light (SDL) grids in DC. Window sizes are: 2x...

  • Tuesday April 21, 2015

    Simonton 5500 or Berkshire Elite

    I need to replace some windows and have received a handful of quotes and I have narrowed it down to these two windows...

  • Monday April 20, 2015

    Final two

    Hello all,
    Need opinions on the final two in northeastern Illinois. We are replacing 11 wide...

  • Monday April 20, 2015

    window repair needed

    Does anyone know who to contact to get repair work done on schuco windows. The middle pane of one of my casement...

  • Monday April 20, 2015

    Carefree vinyl window panes

    Hello All,
    I have Carefree double pane windows in a 28X60 double wide purchased in 2002. I am getting some micro-bacterial growth in...

  • Sunday April 19, 2015

    replacement windows - STL or Franklin Co, MO

    Looking to replace 10 windows in a 20 yr old home. I'm in the Franklin County, Mo area (outside of St Louis) and...

  • Sunday April 19, 2015

    new construction window comparison needed

    We live at 6500 feet in NM and are building a small house. I love the wood Pella windows but we want...

  • Sunday April 19, 2015

    Vinyl Replacement Windows-Chicago

    Hello everyone,
    I'm so glad I found this forum! It is wonderful! I am in the process of replacing 3...

  • Friday April 17, 2015

    Installer Reccomendations-Yardley, PA

    Looking for some window replacement installers in the Bucks County, PA area. Quotes from PJ Fitzpatrick's -$1200 for (2) double hung windows? Sounds...

  • Wednesday April 15, 2015

    Installer Recommendation?

    This is one of the most informative sites I've stumbled on covering a mostly single topic!! Wow! Thank you for this.
    We live...

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 Re: Core of the window

Author: Fenestration Expert (---.dyn.optonline.net)
Date:   

Since when you ask? Foam coring has been used to support weaker structures since the 1950's because it's inexpensive to use and easy to apply to all shapes. The "Tin Men" used the foam backing on paper thin aluminum siding to keep it from denting as easily claiming it was for insulation purposes but if you have ever seen a piece of it... it was void at every course for installation ease (defeating it's claimed purpose). Other uses have been shower basins, soles of shoes and as a packing material to ship fragile items due to it's rigitity. Common sense states that steel and aluminum do conduct but can't when concealed in non-conductive casings (i.e. the wiring in your house wrapped in vinyl) and is much stronger than wood or vinyl. As stated before... if your concern is energy usage reduction, remember a window is 80% glass, and glass is responsible for 60-80% of your heating and cooling bills... not the frames.

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Linda  
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Fenestration Expert  
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alex  
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Fenestration Expert