Insulated Roller Garage Door Technical Information
(1) Face Fix - Installation
 Here the inside edge of the guide rails line up with the brick opening. However the flush fitting end plates and flat design of the guide rails make the size of the door and positioning of the guide rail less critical. A subframe is not required unless the structure is very uneven. Moreover, if maximising the width of the opening is not important, an existing subframe can be retained with the door installed in line with the timber opening. If required the guide rails can overlap into the opening by up to 25mm on each side.
 (2) Reveal Fix - Installation in the Door Opening or Between Walls
If the door is manufactured to the exact opening width, it can be installed within the aperture. This may also depend on the available headroom above to accommodate the coil. If the coil is going to be visible from the outside, an external 90O facia will be required.
(3) Headroom Requirement
 The small coil diameter is one of the doors strengths. Just 300mm headroom is required inside the garage for doors up to 2500mm opening height and 350mm for doors up to 3500mm opening height.
Where the available headroom is severely restricted the compact door requires just 205mm headroom for doors with an opening height up to 2150mm. Alternatively the compact door can be fitted externally. We strongly recommend that a minimum 55mm of bottom slat should hang down into the guide rails when the door is fully raised. Below this is the drive through height.
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