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 Post subject: Window Installation Insulation
PostPosted: Wed Jul 18, 2012 5:36 pm 

Joined: Sat Jun 09, 2012 9:43 am
Posts: 4
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We had our windows installed yesterday and today. We had Softlite Imperial LS windows installed. The gaps on the side of the windows were "filled" with a rigid flat piece of foam. On the first window there is only 1 piece of foam and it comes nowhere close to filling in the gap. I questioned the installers about this and asked them about using a minimally expanding foam. They told me that spray foam was no good and that they never use it. They then used 2 pieces of flat foam on the rest of the windows. This filled it in a bit more but it is certainly not air tight.

Four of the windows are in a part of the house I am renovating. As a result, the inside is not caulked because it has not been trimmed yet. What I would like to do is to take out the flat foam pieces and use a minimally expanding foam to fill in the gaps. I have to use some minimally expanding foam on 2 doors that were installed as well, as nothing was put in the gaps around the doors. My question is: Is this a good idea?. Thanks in advance for any advice or insight.


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 Post subject: Re: Window Installation Insulation
PostPosted: Wed Jul 18, 2012 6:01 pm 
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Joined: Wed Apr 04, 2007 11:21 pm
Posts: 3680
Location: DC Metropolitan Area-Maryland/Virginia/DC
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You should not disturb the installation as a result of this.

If you want to, go for it. You can just seal up that gap with sealant as well, but I too, prefer foam.


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 Post subject: Re: Window Installation Insulation
PostPosted: Thu Jul 19, 2012 2:36 am 

Joined: Sun Feb 22, 2009 5:52 pm
Posts: 1384
Location: SE PA & NJ; CT
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yes to low expansion foam. read and follow directions.


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 Post subject: Re: Window Installation Insulation
PostPosted: Thu Jul 19, 2012 6:03 pm 

Joined: Tue Dec 20, 2005 11:27 am
Posts: 829
Location: Texas - Houston & Austin
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Absolutely, you should foam the perimeter that you can access. It's far superior to the method your installers used.


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 Post subject: Re: Window Installation Insulation
PostPosted: Thu Jul 19, 2012 10:39 pm 
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Joined: Fri Mar 11, 2005 3:58 pm
Posts: 1334
Location: Northern & Central Illinois, Chicago suburbs
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And after you fill them with minimal expanding foam, I'd throw the idiots off the job if it were me. Rigid foam, OMG how incompetent can someone be?


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 Post subject: Re: Window Installation Insulation
PostPosted: Fri Jul 20, 2012 12:41 am 

Joined: Tue Apr 20, 2010 7:11 am
Posts: 321
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Would love to see pics of the rigid foam installed around window. I would make sure they set all the windows right before you foam them in.


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 Post subject: Re: Window Installation Insulation
PostPosted: Fri Jul 20, 2012 8:17 am 

Joined: Wed Feb 01, 2012 9:14 pm
Posts: 398
Location: New Jersey Window Pro- Northern NJ and Central NJ
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i cant imagine anyone using rigid foam. are you sure it wasnt backer rod ?


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