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Old 03-18-2011, 01:58 PM   #1
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Installing full frame windows with existing metal siding


I need some advice on how to install new-construction full-frame windows on my house that has metal siding.

I've been told that it is not possible to properly install full-frame windows without removing the metal siding.

I was then told that I can't remove the siding and put it back on. I would need to re-side the house--which I can't afford at this time.

How do I properly install these widnows if removing is not an option? Will I be able to weather proof the nail fin and flashings?

I do not want to use pocket windows--my sills are rotten. Currently my home has single pane double hung windows with the exterior storms and aluminum siding.

Thanks you.


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Old 03-18-2011, 06:27 PM   #2
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you can cut back the metal siding 3 or 4'' install your flashing and window than install some type of trim whether aluminum vinyl or wood the choice is yours,just make sure you use a competent siding installer that understands drainage details


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Old 03-18-2011, 07:19 PM   #3
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Does flashing get installed before the window?
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Old 03-18-2011, 08:38 PM   #4
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It is not only possible it’s very doable.

It does take a little more than basic DIY skills to pull it off properly though.

Post some pictures and we can tell you how and then you can decide whether you're up to the task or not.

As Tom said the new look will have to include window trim.
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Last edited by kwikfishron; 03-18-2011 at 08:41 PM.
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Old 03-18-2011, 08:38 PM   #5
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No, but I have to say, it really is not a diy task.... Regarding your sills, is it the full sill that is rotted, or just the outer 1 1/2" or so, which is just the sill nose and would not necessitate full replacement.
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