This installation style is also known as a retro-fit install. In this install style the existing window frame is left intact and a new window is fit into the existing window. This install method is most often used in circumstances where the home owner absolutely does not want to interfere with the interior or exterior finish of the windows. This is most prevalent in heritage homes where the home owner does not want to diminish some of the character elements of a home by removing special sills/interior casing etc.
At Western Windows our efficient crews can install windows year round. The disturbance to the home owner is always kept to a minimum with each window being installed quickly after the old window is removed. Cleanliness is also a point of pride for our crews. Windows are to be cleaned, dropsheets are to be used and the installation crews will vacuum up when they are done. All debris will be removed from the site as well.