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 Post subject: Metal vs. Polyurethane spacers
PostPosted: Thu Mar 30, 2006 9:16 pm 

Joined: Wed Mar 29, 2006 11:21 pm
Posts: 16
Location: San Francisco Peninsula
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Hi folks,
I was talking to a windows salesman who was telling me that one of the main things hat could cause windows to have problems is metal spacers. Do you agree? Is it important to get a window with "super spacers," which I understand are polyurethane (or something similar)?
Thanks!


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 Post subject:
PostPosted: Thu Mar 30, 2006 10:25 pm 

Joined: Mon Mar 28, 2005 9:22 pm
Posts: 301
Location: Peoria, IL
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Would you use metal or a synthetic foam to insulate your house??


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 Post subject:
PostPosted: Thu Mar 30, 2006 11:34 pm 

Joined: Fri Jan 20, 2006 3:57 pm
Posts: 80
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"could cause the window to have problems" is kind of ambiguous. It leaves you wondering "what kind of problems?" Are they draftier? More prone to seal failure or breakage? What then?

More correctly, metal spacers are less efficient. Fill 2 glasses with ice water. One glass is metal, one glass is plastic (for example purposes). Which feels colder? The same thing would be true of insulating glass units that have any type of metal spacer contacting the 2 panes of glass. The metal will conduct the cold from one side to the other. Is that what you want?

There are several kinds of non-metallic spacers. Superspacer is just one of them.


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 Post subject: Spacers and seal failure
PostPosted: Fri Mar 31, 2006 1:10 pm 

Joined: Wed Mar 29, 2006 11:21 pm
Posts: 16
Location: San Francisco Peninsula
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I meant seal failure. Where we live, the climate is pretty mild, so insulation isn't a big issue. So then the question becomes, are seals more likely to fail with certain types of spacers?


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 Post subject:
PostPosted: Fri Mar 31, 2006 7:47 pm 

Joined: Fri Feb 03, 2006 3:28 pm
Posts: 243
Location: WISCONSIN
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The comparisons stated prior to this one are missleading. Cardinal Glass the largest mfrg of insulated glass in the world uses a stainless steel spacer called xledge and has proprietory sealants making their system among the best in the world. Others ranking with them would be TPS and Super Spacer. Both TPS and SS are non metal systems. SS has the warmest edge and TPS claims to have the best gas retention. I would have any of those three and feel very satisfied in my home.


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 Post subject:
PostPosted: Fri Mar 31, 2006 7:50 pm 

Joined: Fri Feb 03, 2006 3:28 pm
Posts: 243
Location: WISCONSIN
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I made a mistake in my post in that the largest mfrg of insulated glass in the world is someone from China, Cardinal is second.


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 Post subject:
PostPosted: Fri Mar 31, 2006 8:09 pm 

Joined: Wed Mar 29, 2006 11:21 pm
Posts: 16
Location: San Francisco Peninsula
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But is it true that seals are more likely to fail with metal spacers than spacers made of other materials? I'm in California, the insulation issue isn't of great importance to me; having seals that won't fail and cause condensation between the windows is what is really important to me.
Thanks!


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 Post subject:
PostPosted: Sat Apr 01, 2006 12:12 pm 

Joined: Fri Feb 03, 2006 3:28 pm
Posts: 243
Location: WISCONSIN
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Your salesman was blowing smoke. In the past it was the sealants that failed not the spacer bar. I recently toured two Cardinal plants and was very impressed and got to spend some time with an engineer and pretty much everything he said was over my head, however Pella Andersen and Marvin stake their reputation on Cardinal because all three have their entire glass packs made at Cardinal.
We could easily start another spacer war over things he told me, but in brief without getting out the musket's Cardinal does some impressive things making them one of the best spacers on the market.
Now that's coming from a guy who still believes Super Spacer is #1. Now I'm not into rocket science and I'm not a chemist but from a lot of reading that I've done I'm very impressed with the TPS system used by Schuco and a few others and have always been impresed with Super Spacer. I also believe intercept does a decent job but does not rank with the other three.
I think more importantly is the warranty the window mfrg provides on these various spacers especially with triple units, because down the road this could get expensive for the consumer. A good vinyl window well last the average homeowner their lifetime in their home but well the glass. So if it's backed by s strong warranty by a strong co the monkey's on their back and Mr & Mrs homeowner have no window worries.


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