Showroom open 7 days 10-5pm - Craig O Loch Road, Forfar, Angus. DD8 1BT Email us or call 01307 460198 or 07963 895 898 or call 01307 460198 or 07963 895 898 Read More Timber structures North London-based Stayfix offers the S3 lift and slide patio door system. Our uPVC sliding patio doors are a lower-cost alternative for exquisite results. Carports, Canopies and Verandas from 123v Providing carports, canopies and verandas since the 1990’s 123v are the UK leader in the design, manufacture and installation of open sided structures. The S3 sliding patio door from Stayfix can achieve patio door panel widths of 3300mm and up to 3250mm high.