We manufacture our own timber and hybrid (timber with aluminium cladding) bi fold doors using Roto (German hardware) for inward opening doors or Centor (the premium Australian hardware system) for outward opening doors.
Please visit our bi fold gallery here;http://picasaweb.google.co.uk/blueoakwindows/BiFoldDoors#
All doors come with a comprehensive 10 year guarantee.
Because we are familiar with several door systems, we can help you choose which is most appropriate as some suit certain applications better than others.
Thresholds can be either timber or thermally broken aluminium.