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In order to cope with increasing demand, production of composite products has been doubled by PVC-U door maker Rockdoor's. Sales director Mark Simm said: 'Rockdoor is specifically designed for the domestic retail market. It is the only solid PVC-U door available. Not only is it an aesthetically pleasing door with features of traditional timber doors, it is also an extremely long lasting and secure door. It is time for installers to see the benefits of installing composite doors before it is too late. Mr Simm claimed that homeowners now want a door which makes a statement, looks good, offers high security, energy efficiency and is low maintenance.

Rockdoor now offers its leading composite door with a blue-white PVC-U frame so it matches windows in this colour. The sculptured outer-frame matches Duraflex's blue-white profile and Synseal Blu so installers can offer homeowners a complete PVC-U suite of windows and doors. The company's sales director Mark Simm said: 'Homeowners prefer a fully matching suite but few other composite doors are offered in blue-white. Offering Rockdoor in blue-white to match the windows makes the sale much easier. Installers can sell PVC-U windows to homeowners because they are low maintenance, secure and durable. The composite door market is a growth market with huge potential.'