Re: Re: Irish say no to PVC windows Home › Forums › Ireland › Irish say no to PVC windows › Re: Re: Irish say no to PVC windows February 12, 2010 at 6:33 pm #745049 -Donnacha-Participant Does cylinder glass have any kind of legal protection/listed status? Or is it okay to destroy it and completely replace sash windows with modern, double glazed sash windows Latest News