http://www.cerrolimon.com/News/reglazing-and-repairing-sash-windows-/ Due to the popularity and architectural longevity of sash windows, it is necessary, in addition to regular maintenance and painting to consider your upgrading options from time to time. You may also wish to consider the differences between uPVC and timber sash windows. With updated manufacturing and product technology, it is not necessary to take out [.] Related posts: What are Sash Windows ? uPVC... Fri, 18 Dec 2009 10:43:48 EST en