All timber windows have to have common routine maintenance to carry on for their excellent seems and to work perfectly over the years and timber sash windows aren't any exception. Having said that, fashionable stains as well as other protection products may also help decrease the frequency of servicing jobs.  https://sashwindowdraughtproofing17271.blogozz.com/34962372/sash-window-draught-proofing-an-overview