The RD77 DIY Large Electric Remote Control Roller Garage Door measures in at up to 12ft wide and 7ft 6inch tall. This door is highly suited to large garage doors, but can also be installed on more compact garages. This model is highly insulating, helping to keep running costs low, and is made from robust double skinned aluminium for additional security. The RD77 comes as standard with 2 handsets working as a hold to run closing operation but can be equipped with a one-press open and close system using a wireless safety edge which also has an internal courtesy light as additional extras. For complete peace of mind, the door comes with a 2-year parts warranty.