Anyone who is comparing double glazed sash windows to single glazed windows has probably already made up their mind. Of course they want double glazed windows. Everybody wants double glazed windows. Home Buyers Are Comparing Double Glazed Sash Windows To Single ...20 Nov, 2010 in Realestate tagged casement windows / construction / double glazing / glass / home / house / management / Property / Realestate / sash windows / windows by Thomas Knudsen