New Addition - flashing


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Old 12-21-16, 06:50 PM
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New Addition - flashing

Hello,
I am having an addition added onto my existing home. All of the doors and windows were installed without any flashing whatsoever. The addition was mostly wrapped in the Lowes house wrapping, but not completely and not tightly. The doors and windows were not wrapped at all. The doors and windows were installed on bare wood. Is that standard? I've been searching the web and all of the installation instructions for doors and windows include a moisture barrier of some sort that tightly seals those openings before the windows are installed.
Please advise.
Thanks in advance.
--Tami
 
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Old 12-21-16, 07:23 PM
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That is not the best practice, no. I would suggest you find out the name brand of the windows, print out their specific installation instructions, give them to your carpenter, and ask him to follow them. Mfg instructions take precedence... especially when there are no local codes to follow.

If your county does happen to have a building permit or inspection office, give them a call and simply ask what building code should be followed in your locale. For example they might say IRC 2009. Your builder should then abide by those minimum standards as set out by your local/state/city.
 
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Old 12-22-16, 04:39 AM
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I would be interested in seeing a couple of pictures of this as well.
 
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Old 12-22-16, 08:48 AM
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New Addition - flashing

I have pics. I'm adding a pic called "what_I_expected" to see. I grabbed this from a website on "how to install windows." And then pics of the areas around my doors and windows. As you can see, there is no barrier between the wood on the windows/doors and the 2x6s. Let me know what you think.
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Old 12-22-16, 09:02 AM
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The housewrap does not "have to" wrap all the way inside the rough opening, although it is good if it wraps at least half way into the wall. The picture of what you expected to see is good but not everyone is up to speed on best methods. You have a lot of old school carpenters who don't keep up, then you have your hillbilly carpenters. I suggest you take up your concerns with your carpenter personally.
 
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Old 12-22-16, 03:58 PM
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I agree with Brant. We don't wrap our Tyvek into windows and doors, but follow newer protocol and cut it short about an inch or so to allow our 6" window sticky tape to adhere to the Tyvek, the OSB and to the nailing flange, creating an air barrier.

Are your doors being installed AFTER the siding? It looks a little odd to me.
 
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Old 12-23-16, 08:30 AM
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New Addition - flashing

Hello Chandler,
Yes the windows and doors were all installed after the siding. No sticky tape was used on any opening.
Thanks again for your input.
--Tami
 
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Old 12-23-16, 08:46 AM
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"Sticky tape" isn't generally used on doors that have wood trim (brickmould) although some articles have been written in order to show how it could be done... no doubt funded by the companies who want to sell more tape.

The tape is mainly used for items with a nailing fin such as vinyl windows.
 
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Old 12-25-16, 06:36 AM
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It seems to me that it would be hard to properly detail windows and doors without pulling the siding off for a foot or so all around. I think you definitely need to ask your contractor what will prevent air and water from getting behind the window flange and into the framing lumber.
 
 

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