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Installing a Roller Garage Door

Last Updated Aug 13, 2012 · Written by Rob Schneider

Installing a roller garage door is generally a job best left to the experts, but if you have the tools, skills and time, you can do it yourself. While not an exhaustive "how to" manual, these tips will help you prepare for the job and decide whether or not it's a DIY project you want to tackle yourself.

Ordering Your Roller Garage Door

There are two ways you can order a garage door: you can ask the dealer to come to your home and give you a measure and quote or you can supply them with the measurement details and have the door delivered to your home. If you choose to do your own measurements, keep these important factors in mind:
  • Height and width of your garage opening.
  • Your necessary drive through height and width.
  • The "headroom" or area above the garage opening needed for housing the roller garage door.
  • The total "overguide" width (opening width plus the area needed for installing the roller door guides).
Manufacturers usually recommend fitting a roller garage door internally, but it can be fitted externally if necessary or even in the middle of the garage opening. If you choose this option, first make sure the sides of the opening are plumb and make precise measurements. There is little room for error or adjustment when fitting a door that must fit into an opening.

When the roller garage door arrives, the first thing you need to do is make sure all the components are included in the kit. A detailed diagram and installation instructions should come with your roller garage door, so use that as your checklist.

Installing Your Roller Garage Door

Safe and secure fixing of components is the key to installing a roller garage door. The two most important elements of fitting the door securely are the types of fasteners you use and the distance between them. If you have received a kit, the screws and other fasteners should be included and the holes may have been pre-drilled. As a rough guide:
  • There should be at least 1 fastener per 500mm of length on the guide rails.
  • There should be three adjustable fixing holes on each end plate and all three must be used in installation.
The type of screws or bolts you use will depend on the type of material you are fixing the roller garage door to. For timber, brick or concrete, No.12X50mm screws are recommended (plus appropriate plastic plugs for brick or concrete). If you have a metal garage, you will need to use the appropriate screws and/or bolts for your application.

After you have installed your door, you will need to make some fine adjustments to make sure it glides smoothly and closes snugly. If you have chosen an electric, remote controlled roller garage door, follow the manufacturer's instructions for installation. If electrical connections are needed, call a licensed electrician. Do NOT attempt to do electrical work yourself: it is unsafe and illegal.

Usually, detailed installation instructions are included with garage roller doors. If you follow them to the letter, you shouldn't have a problem. If you do run into problems or need a helping hand, you may be able to find a local handyman with experience in roller garage door installation. Do ask your supplier for an installation quote before you decide to install it yourself, though. You will probably find them very reasonably priced and will have the peace of mind of knowing the job has been done right.
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