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 Post subject: Old house with new construction window
PostPosted: Mon Jan 14, 2013 11:06 am 

Joined: Mon Jan 14, 2013 10:56 am
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Should the vinyl replacement window have fins?


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 Post subject: Re: Old house with new construction window
PostPosted: Mon Jan 14, 2013 4:20 pm 
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Joined: Tue Feb 16, 2010 6:14 pm
Posts: 1803
Location: Milwaukee, Madison areas
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That is a very open-ended question, and the answer could vary depending on the circumstances. Generally speaking, a window can be installed with OR without fins in an older home. Whether or not it should have fins depends on the type of installation and other factors surrounding the home.


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 Post subject: Re: Old house with new construction window
PostPosted: Mon Jan 14, 2013 5:08 pm 
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Joined: Wed Apr 04, 2007 11:21 pm
Posts: 3604
Location: DC Metropolitan Area-Maryland/Virginia/DC
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In a new construction application..yes.

Insert...no.


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 Post subject: Re: Old house with new construction window
PostPosted: Mon Jan 14, 2013 5:29 pm 

Joined: Mon Jan 14, 2013 10:56 am
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What helpful information would assist in assessing the "should" aspect of this question.
Home built around 1900. Old windows removed in a kitchen remodel. New wall built from floor to ceiling with framing for new window in one case. The other window opening was
enlarged using one side of old framing and new framing on other side. Vinyl siding outside.
Thanks for opinions/insights/experience.


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 Post subject: Re: Old house with new construction window
PostPosted: Mon Jan 14, 2013 5:51 pm 

Joined: Sun Feb 22, 2009 5:52 pm
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Location: SE PA & NJ; CT
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Either will perform jsut as well as another if done properly.
More important is the energy performance of the windows.
So concentrate on the U, SHGC, AI, and DP.
TheWindowNerd....


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 Post subject: Re: Old house with new construction window
PostPosted: Mon Jan 14, 2013 6:14 pm 
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Joined: Wed Apr 04, 2007 11:21 pm
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Location: DC Metropolitan Area-Maryland/Virginia/DC
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+1

If done properly, it won't leak.

Nailing flange is probably easiest but it may not have been available in his application with his size.


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 Post subject: Re: Old house with new construction window
PostPosted: Wed Jan 16, 2013 9:51 pm 

Joined: Mon Jan 14, 2013 10:56 am
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Can fins be added after the replacement has been set, caulked and sealed?


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 Post subject: Re: Old house with new construction window
PostPosted: Wed Jan 16, 2013 11:15 pm 
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Joined: Wed Apr 04, 2007 11:21 pm
Posts: 3604
Location: DC Metropolitan Area-Maryland/Virginia/DC
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No.

Flashings, via drip caps and wrapping...yes.


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