Two Layers
Putting two layers, or double glazing is accomplished by attaching the film to both sides of the aluminum frame, that way we get a 1/2" dead air space for insulating benefits. Thanks for asking, hope that answered your question. Good to hear from you Easterners, just FedExed a bunch of our interior storm windows out your way yesterday.
Eugene
Last edited by energywisemfg; 11-22-11 at 07:53 AM..
Reason: Wrong word
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