Confusion over Field Test treatments
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jbmnd93



Joined: 15 Jul 2010
Posts: 53

PostPosted: Thu Mar 27, 2014 1:33 pm    Post subject: Confusion over Field Test treatments Reply with quote

In the Window Preservation Standards, it's unclear (or at least contradictory) whether or not the W4 window included a storm window.

Did W4 include a storm window or did this best performer achieve its superior results without a storm. Was it really something as simple as a new interior stop/seal at the sash bottom rail?

On page. 84-96, 6 different treatments are described. W4 performed the best against the IECC 2012 air infiltration standard by testing at less than 0.1 cu. ft./min.

The narrative on page 86 indicates W4 included installation of a storm window. ("The three fully weatherstripped windows (W2, W3, W4) tested demonstrate that with sash weatherstrip and a quality storm window, these windows exceeded the 2012 IEC for air infiltration.")

But the chart on page 86 does not include a storm window in the description of W4.

In another place, the treatment summary table on page 89, a storm window is not included for W4 either.

Which is correct?

Brendan
Washington, DC
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johnleeke
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Joined: 20 Aug 2004
Posts: 2921
Location: Portland, Maine, USA

PostPosted: Sat Apr 26, 2014 10:22 am    Post subject: Reply with quote

Brendan,

Thank you for spotting this "inconsistency" in the Window Standards.

There was no storm on window #4.

The error in the second paragraph on page 86 says that there was a storm. That paragraph should read:

Quote:
By adding weather-stripping or exterior storms to windows W1 through W4 the testing demonstrates that these windows exceeded the 2012 International Energy Code (IEC) for air infiltration. Even a simple to make, low-cost, interior air panel, with no other work, met the IECC standard on window W5.


As editor for the Standards, I've just updated the book and this correction should appear in the next revision or edition.

Brendan, If you would like to also register and post your message in the Forum over at the Window Standards website, www.WindowStandards.org, you will be "officially" recognized as a Stakeholder and Collaborator in the Window Standards project, for this contribution to the quality of the Standards.

Are you using the Window Standards in your grant program?

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John

by hammer and hand great works do stand
by pen and thought best words are wrought
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jbmnd93



Joined: 15 Jul 2010
Posts: 53

PostPosted: Wed May 07, 2014 6:03 pm    Post subject: Reply with quote

I try to use them as much as possible, especially when a specific component needs a very special treatment. For reference, I wish the WPS had section numbers instead of page numbers. That would make it look more like a "code" than just a "book." Yes, that's more optics than anything substantial, but optics help the blind see more clearly.
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johnleeke
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Joined: 20 Aug 2004
Posts: 2921
Location: Portland, Maine, USA

PostPosted: Thu May 08, 2014 8:43 am    Post subject: Reply with quote

Brendan,

Quote:
I try to use them as much as possible, especially when a specific component needs a very special treatment.


In the Standards project we are actively seeking examples of how people are using the Standards. Let me know if you would like to write up a brief description of a case where you did this.

We are thinking of organizing the second edition of the Window Standards to comply with the construction industry MasterFormat standard. Here is the Window Standards discussion on that:

http://windowstandards.org/forum/viewtopic.php?p=885#p885

Please post a comment over there.

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by pen and thought best words are wrought
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