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Subject: Window films

Window films

From: William Hall <wdh2<-a>
Date: Thursday, March 3, 2005
Helena Jaeschke <helena.jaeschke [at] exeter__gov__uk> writes

>A local museum is considering cutting down light and uv passing
>through the windows of storage rooms by applying aluminium foil to
>the inside of the glass. This would reflect light back out through
>the glass.

Sticking aluminium foil to the inside of the window will block *all*
light and reflect heat. There would be no problem with heat buildup
in the glass.

If this is really what you want to do the cheapest option (IMHO)
would be to simply paint the windows white, perhaps use greenhouse
paint that can be washed off (though this will not produce the same
blackout as aluminium foil). If you want something more reversible
you could use blinds.

It's possible you are thinking of UV blocking window film in which
case please ignore the above.

William Hall
Littlemore Scientific

                  Conservation DistList Instance 18:42
                  Distributed: Friday, March 11, 2005
                       Message Id: cdl-18-42-005
Received on Thursday, 3 March, 2005

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