Wood window restorations. Learn how to repair old wood windows. See how Restoring old windows and save money. Windows restore not to replace..Some woodworking mills do not like to repair old sash because nails or The decision process for selecting replacement windows should not begin with a .Window Restoration. Old House Authority Historic Window Restoration Services. There is no subs.ute for your original windows. Beyond the beauty of their unique proportions, there is the pleasure of viewing the world through wavy, antique gl .Learn how to fix common ca.t window problems. Free up a sticking window, replace a broken crank operator or sagging hinge, even replace an entire sash..