How to drop a garage door track from the ceiling (and pick the right dropper length)

November 15, 2026

Short answer: measure from the ceiling to where the track needs to sit, then pick the dropper for that drop. A 100–300 mm drop takes a 300 mm dropper, 301–600 mm takes a 600 mm dropper, and 601–900 mm takes a 900 mm dropper. Fix the base to the ceiling, cut the dropper to length once, and fix the track to it.

Garage door tracks and openers often need to hang below the ceiling. Raked ceilings, bulkheads, high garages and retrofits all leave a gap between the structure and where the door hardware has to sit. The traditional fix is perforated angle - painfully snipped to size, bolted together until it holds. It works, but it takes time on site, it rarely looks finished, and it is the kind of job that brings you back for a callback.

This guide covers how to drop a garage door track from the ceiling cleanly, and how to choose the right Nog.Dropper length so you only make one cut.

1. Measure the drop

Measure from the underside of the ceiling (or the surface you are fixing into) to the top of the track position. Do this at each support point, because ceilings are not always level and a raked ceiling will give you a different drop at each end.

Write down the largest measurement. That is the number that decides your dropper length.

2. Pick the right dropper length

Measured drop (ceiling to track)	Dropper to use
100–300 mm	300 mm dropper
301–600 mm	600 mm dropper
601–900 mm	900 mm dropper

The Nog.Dropper range covers drops from 100 mm to 900 mm from the ceiling. Droppers are cut to length on site, so always choose the size that covers your largest measurement.

3. Track or motor: which Nog.Dropper?

Nog.Dropper Track supports the door tracks. It comes as two boxes: two bases and two droppers, with fixings included. Each dropper is rated to 150 kg.
Nog.Dropper Motor supports the opener rail. It is sold as a single base and a single motor dropper, rated to 100 kg, and is cut to length the same way as the Track dropper.
Doing the whole door? The Nog.Dropper Full Door Set puts Track and Motor droppers together for less than buying them separately.

The bases are universal across the Nog.Dropper range, and the droppers fix only into a Nog.Dropper base.

4. Fix the base to the ceiling

The Nog.Dropper base fixes into any substrate. Position it above the track support point, check it lines up with the track run, and fix it using the supplied fixings. Follow the Track / Motor Base Unit install guide for fixing details for your ceiling type.

5. Cut the dropper once and fit it

Using your measurement, use the dropper measure and cut it to your desired length. Measure twice, cut once: the whole point is that you only cut once. Fit the dropper into the base, then fix the track (or the Motor) to the dropper as shown in the dropper install guide.

6. Check and finish

Check the track is level and in line, run the door through its full travel, and confirm the opener rail is secure. Because the dropper is a finished product rather than a stack of timber, there is nothing to paint or tidy up. It looks like it came with the door.

Why not just use Perforated angle?

Perforated angle is cheap and familiar, but they take time to build on site, the result depends on whatever offcuts are on the truck, and they rarely look finished in a garage the owner will see every day. A purpose-made dropper gives you a known drop range, a rated load and a consistent finish, every job.