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Face fixing to inside of garage
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Using the diagram, measure the Drive Through Width (opening width of the garage and measure the Guide Height (opening height of the garage) From each edge of the garage opening width, 75mm is required for the guide rails. For larger width doors, (doors over 4600mm wide) 90mm guide are required.
When the door is fully raised, a minimum of 55mm bottom slat should hang down in to the guide rails. Below this is the drive through height.
For Headroom requirement see below.
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