[Greenbuilding] Refurbishing wooden storm windows

[johnsbone at gateshead.plus.com]

Here is the UK, many reglazed double glazed units are made "split size",
i.e. one piece of glass fits into the old rebate (rabbets) and the other
pane of glass is smaller to fit inwards into the clear opening of the
window. This gives a slinge glazed appearence from the outside
point-of-view. But is effective in reducing heat losses from the room.

John S. Bone, MBEng, BSc Hons
(Building (Regulations) (Code) Official - UK)

----- Original Message ----- 
From: "arthur landerholm" <art.landerholm at verizon.net>
To: "'Greenbuilding Building'" <GREENBUILDING at LISTSERV.REPP.ORG>
Sent: Friday, May 04, 2007 7:24 PM
Subject: [Greenbuilding] Refurbishing wooden storm windows


> > Hi Group,
> >
> > I'm refurbishing the original wooden storm windows from my 1940s brick
> > colonial in the Washington DC area.  Before I reglaze the storm windows,
> > it occurred to me that I might replace the original, 3/32" single pane
> > glass with dual pane laminated glass.
> >
> > Does anyone know if I'll need to deepen the existing rabbets (which are
> > 7/16") to accommodate the double-thickness glass?  That is, do I need
the
> > equivalent amount of space for the glazing compound (ie 11/32") or will
> > the window be weather tight with less compound?
> >
> > Thanks.
> >
> > Art.
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