Nail Flange On New Patio Door - Windows and Doors - DIY Chatroom Home Improvement Forum

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Old 12-28-2012, 12:25 PM   #1
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nail flange on new patio door

Is is ok to cut the nail flange off the new replacement sliding glass patio door?


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Old 12-28-2012, 01:51 PM   #2
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Not usually, it's how it fastens to the wall.
How do you plan on attaching it?


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Old 12-28-2012, 01:54 PM   #3
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What type siding do you have?
In most cases what's what holds it in place, keeps air and water out, once you apply the sealing tape over it.
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Old 12-28-2012, 07:12 PM   #4
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yes you can cut off the nailing flange. but ONLY if the door has hurricane straps and if you use shims and screws to fasten it to the framing

the only thing is its not as easy to seal the door to prevent leaks.. you can create a flashing flange using this product
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Old 12-28-2012, 08:41 PM   #5
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If you are doing it via pocket/insert replacement and not pulling off the siding, brick, etc, you can put it in as pocket style door.

Pay special attention to the flashing and moisture management detailing as mentioned above.

Can you post up a picture?
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Old 12-28-2012, 09:40 PM   #6
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I agree, if you absolutely need too... score both sides of the flange with a utility knife and bend it back-and-forth a few times.

As posted already------------------ before you cut it off----------- a picture of the application would help.

How to attach a photo to a post

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Old 12-29-2012, 03:13 PM   #7
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+1 to WoW's post. In fact, many doors don't even come with a flange. Be aware however, that this can make the flashing (aka: weatherproofing) of the unit a little bit more complicated and less DIY friendly, as custom bent metal is usually required.


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