Weatherstripping: Meeting Rails, Bottom Rails
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johnleeke
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Joined: 20 Aug 2004
Posts: 2972
Location: Portland, Maine, USA

PostPosted: Thu Sep 02, 2010 2:49 pm    Post subject: Reply with quote

An interesting glue that might work well on this is called Barge Cement:
http://www.hanksclothing.com/barge_rubber_cement.html

This is a particularly tenacious rubber cement. I've been using it since I was a kid for long-lasting sticking of cloth, canvas, leather, etc. I usually apply it to both parts, let it dry, then stick the parts together. This might work in compression joints.

I have not used it with silicone rubber, but a test or a call to the company might resolve compatibility issues.

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Last edited by johnleeke on Thu Sep 02, 2010 2:53 pm; edited 1 time in total
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johnleeke
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PostPosted: Thu Sep 02, 2010 2:50 pm    Post subject: Reply with quote

Here is the main discussion on weatherstripping:
http://historichomeworks.com/forum/viewtopic.php?t=1444

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nbogosian



Joined: 09 Mar 2014
Posts: 14
Location: texas

PostPosted: Mon Apr 14, 2014 5:44 pm    Post subject: Reply with quote

I have 23 single hung windows that I'm installing weatherstripping on. I'm almost certain I've decided I want to do the spring bronze on the sash tracks as well as spring bronze on the bottom rail at sill (or actually attached to sill?). Taking advice from others here and thinking about a tiny compression bulb for meeting rail (the windows are not likely to be opened often in almost year round hot, humid, Texas).

In my scenario - budget is not as much of a factor as the client being able to see clearly the aesthetics and what they're getting.

Attaching a photo here - i like the look, but parts of it don't make sense to me - wouldn't nailing in the spring bronze to sill create potential water collecting issues? Second option would be to nail it to bottom of bottom rail. Even in this situation it seems you'd want some type of weep holes?

Should the spring bronze on bottom rail cover the entire length of the rail or just between the stiles for breathability issues?

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johnleeke
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PostPosted: Tue Apr 15, 2014 12:03 pm    Post subject: Reply with quote

I suggest attaching the weatherstrip to the edge of the bottom rail, rather than the sill, which could lead to deterioration of the sill due to nail holes and trapping moisture.
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jbmnd93



Joined: 15 Jul 2010
Posts: 53

PostPosted: Wed Apr 23, 2014 1:40 pm    Post subject: Reply with quote

Speaking of weatherstripping bottom rails. I've been confused about the field test results in the Window Preservation Standards.

In the Standards, it's unclear (or at least contradictory) whether or not the W4 window included a storm window and how much the new interior stop/seal at the bottom rail was responsible for the very good improvement in air infiltration rates.

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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PostPosted: Sat Apr 26, 2014 10:18 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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