[MassHistPres] Window research

[Garrett Laws]

The Building Sciences Corporation is a great source of information on
installations and how they perform over time.

I haven't found a comparative study yet but this is a great place to start
to get things done well once any work is being done.

http://www.buildingscience.com/search?SearchableText=windows

Cheers,
Garrett

Garrett Laws, Manager
The Copper & Slate Company
Fine Roofing and Exterior Finish Carpentry
238A Calvary Street
Waltham, MA 02453
Ph: (781) 893-1916
Fax: (781) 893-2041

Copperandslate at Gmail.com or
GLaws at hbuilders.net


On Tue, Sep 22, 2009 at 11:13 AM, <slater at alum.rpi.edu> wrote:

>  It would be really helpful if an organization that has some credibility
> would take the various window studies that have been done and summarize them
> into a position that replacement windows are not the panacea that the window
> companies and renovators make them out to be.
>
> Without such a credible supporter, we are all on our own when it comes to
> refuting a fairly large machine who's goal is to get everyone into the
> replacement window space. Even if a local historic commission puts together
> such a study, it can be very easily dismissed as just a bunch of cranks
> trying to stop progress.
>
> The level of hysteria seems to be rising; we have homeowners who believe
> that old wooden windows are as good as having empty holes in their building,
> and that without replacements, they may not survive in their domiciles over
> the winter.
>
> Ralph Slate
> Springfield Historical Commission.
>
>
> <-----Original Message----->One study/report on the California site that
> was new
>
> >to me and looked interesting was the U of Ill study but a quick review (it
> is
> >very long and detailed) seems to suggest at least two major faults. a) the
> >storms are not studied in conjunction with tightened original windows and,
> much
> >more important, b) it absurdly assumes a 50 year life cycle with zero IG
> failure
> >for both the Marvin replacement and the retrofitted original window,
> despite
> >acknowledging that anecdotal information on failures is at odds with such
> an
> >assumption and with the industry's typical 20 year guarantee. (If it's
> absurd
> >for the Marvin, it's even more so for the retrofit which won't have been
> >installed under the same tightly controlled factory conditions.)
> >
> >
> >Dennis De Witt
> >
> >
> >
> >
> >On Sep 21, 2009, at 11:23 AM, Weiss, Lorraine (PEB) wrote:
> >
> >
> >You may have already seen this resource--I'm sorry but I can't remember if
> this
> >has already been publicized on this listserve. Below is a message from the
> >Trust's Forum listserve that mentions a good collection of resources (the
> >original writer's name is included).
> >----------------------------------------------
> >For those looking for cogent articles and research on the efficiency of
> >rehabilitated historic windows, we have collected several research
> articles and
> >studies of rehabbed window performance on the California Sustainability
> web page
> >at the link below. We hope to add the National Trust's Berkeley window
> study
> >when it is completed. http://www.ohp.parks.ca.gov/?page_id=25935
> >
> >Mark C. Huck, AIA, LEED AP
> >Restoration Architect, Office of Historic Preservation
> >1416 9th Street, Room 1442, Sacramento CA 95814
> >(916) 653-9107 Office; (916) 653-9824 Fax
> >-----------------------------------------------------
> >
> >regards,
> >Lorraine
> >
> >Lorraine E. Weiss
> >Historic Preservation Planner
> >__________________________________________________________
> >Division for Historic Preservation ◙ www.nysparks.state.ny.us
> >
> >=== message truncated ===
>
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