Installing a new garage door doesn't have to be
There are a few key things to consider to help you avoid ordering the wrong sized garage door. Firstly, if you are replacing your existing up and over garage door, you must choose whether you are going to retain your existing wooden frame or whether you would prefer your new garage door to be supplied complete with a lower maintenance steel or GRP factory frame (recommended) that will fix directly to your brickwork.
The ordering size of your new garage door does not allow for any fitting tolerances, such as uneven brickwork or floor finishes. You will need to allow for any tolerances when ordering your door by taking the measurement across the opening in at least 3 separate places (Installers generally recommend (top, middle and bottom). Then do the same again for the height by taking measurements (left, right and centre). Ensure like with any other form of DIY, double check and ensure the measurements being made are the correct ones!
If you would like your new garage door to come with the recommended factory frame, measure the brickwork to brickwork width of your opening. To determine the height of your garage opening, measure from the floor to the underside of the lintel.
Remember there are a variety of common obstructions stopping the door from shutting. These include: Brick piers, boilers, side/rear doorways opening onto door tracks, steel or timber beams, windows, lights & light switches, gas, electric and water pipes and meters, and sloping ceilings/walls.
Taking your time is imperative in making sure you don't overlook some of the common obstructions that will stop your new garage door fitting perfectly. My advice is to get an exact idea of where any tracks and electric openers will be fixed within your garage and consider the space around these. This will guarantee the smooth installation of your new garage door.
Stated garage door sizes often refer to the size of the opening through which the garage door travels (i.e. internal frame size). The manufacturer will make a deduction to provide the necessary clearance but the true size of the door may be smaller. Because of this deduction, you must always measure the opening size and not the size of the existing panel. Once you have established the dimensions of the garage door opening, you must consider the internal dimensions of your garage to ensure that the track & mechanism will fit. The length of any ceiling mounted tracks will generally depend on the height of the door.
Traditionally most garage doors are built to imperial measurements and most standard garage door sizes are therefore manufactured to imperial dimensions. If you are constructing a new garage ensure you convert to the imperial to the metric.
However, with the increased prevalence of industrial door services, it has become far more affordable.
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