[MassHistPres] Windows-Marvin Infinity

[schwirnewt at aol.com]

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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