[MassHistPres] Windows-Marvin Infinity

[Jill Fisher]

This is good information.  Would it be possible for you to provide a source 
for this info?  If we are to use such arguments in review cases, it is 
helpful to be able to cite the authority.  The fact that you are an 
architect helps, but may not be sufficient

Jill Fisher, AICP
Principal Planner
Larson Fisher Associates, Inc.
Historic Preservation & Planning Services
PO Box 1394
Woodstock, NY  12498
845-679-5054
jillfisher47 at hotmail.com

www.larsonfisher.com


This i


>From: schwirnewt at aol.com
>To: derby01 at comcast.net, masshistpres at cs.umb.edu
>Subject: Re: [MassHistPres] Windows-Marvin Infinity
>Date: Tue, 01 Aug 2006 10:53:27 -0400
>
>Pulturded fiberglass windows are significantly different than vinyl and 
>aluminum windows in the following respects:
>They are much stronger, even stronger than aluminum of the same profile.
>They have roughly the same coefficient of expansion as glass. Hence the 
>seal between the glass and the window tends to remain much tighter.
>Unlike vinyl they can be painted a dark color if desired. Vinyl windows 
>cannot be painted a dark color because they begin to soften at about 140 
>degrees F.
>They are very energy efficent, even more efficient than aluminum clad wood 
>windows.
>Vinyl is very brittle at cold temperatures and susceptable to UV breakdown 
>over a period of years - it will yellow with age. Fiberglass can withstand 
>temperatures from -40 degrees F to + 200 degrees F and does not yellow with 
>age.
>Fiberglass in its manufacture is less harmful to the enviornment than 
>vinyl.
>In comparison to aluminum fiberglass consumes far less energy in its 
>fabrication.
>They are more durable than wood or vinyl windows.
>They are typically shop painted with a power coating. They can be field 
>painted but field painting would require periodic maintenance.
>They do not have the "sheen" of vinyl windows.
>Lawrence Schwirian, Architect AIA
>Chairman, Newton Upper Falls Historic District
>
>
>-----Original Message-----
>From: derby01 at comcast.net
>To: masshistpres at cs.umb.edu
>Sent: Tue, 1 Aug 2006 1:47 AM
>Subject: [MassHistPres] Windows-Marvin Infinity
>
>
>These Marvin windows are made from pultruded fiberglass.  Has anyone
>heard of them and can offer any comments?  Our historic commission is
>reviewing an application Wednesday night for using these windows as a
>replacement window.
>
>Thanks,
>
>Diane Derby, V Ch
>BallardVale historic District Commission
>Andover, MA
>
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