Automating a Shed or Outbuilding Roller Door: Check First

Some eastern suburbs blocks have a second roller door somewhere other than the house. It might be a big shed down the back in Wonga Park, a workshop behind the house in Mooroolbark, or an old outbuilding that now holds the trailer, the mower and the boat. Lifting that door by hand gets old, so it’s natural to ask whether it can be motorised like the main garage.

Sometimes it can, depending on the door and the site. A shed isn’t an attached garage, though, and a few things come up more often out the back than they do under the house. Here’s what we’d want you to think about before anyone talks about which opener to fit.

Start with power at the shed

An opener needs a suitable power supply near the door. Some sheds have no power at all, some have a single old outlet run years ago, and some share a circuit with a pool pump or workshop tools. You’ll want to know what’s there before you plan anything else.

If the shed has no power, or you’re not sure the existing setup is up to the job, that’s a question for a licensed electrician. Please don’t run an extension lead across the yard to “try it out”, and don’t add or move outlets yourself. A long lead lying on wet grass is a hazard in its own right, and it’s no way to run a door that moves on its own.

It’s also worth thinking about what happens during a blackout. Our roller door openers page lists battery back-up as compatible with the Merlin roller door openers we show there. Whether that suits your shed depends on the model and how you use the door, so ask us when we talk through options.

Look honestly at the door itself

Shed doors often get less care than the garage door at the front. They may have been opened by hand for years, knocked by a ride-on mower, or left half open in all weathers. An opener won’t fix a door that’s tired. It just moves the problem onto the motor.

From a safe distance, with the door at rest, take note of what you can see:

• Is the door hard to lift, or does it drop rather than staying put?
• Does it scrape, jam or run crooked in the guides?
• Are there dents, rust or bent sections in the curtain?
• Has it been damaged by a vehicle, a storm or a falling branch?

These are observations, not a diagnosis. A door that’s heavy or crooked could have a few different causes, and the fix may involve springs, tension or parts that should only be handled by a technician. Don’t adjust anything to get the door ready for a motor. If what you see worries you, book a garage door maintenance visit first and we can tell you whether the door is fit to automate or needs work beforehand.

Weather and exposure out the back

An attached garage is usually closed in. A shed or carport door can be much more exposed, with weather getting into the space and sometimes right onto the opener.

That matters when choosing a motor. The product selector on our roller door openers page asks whether the door is on a carport or outdoor shed exposed to the elements, and it marks the SilentDrive Elite MR855MYQ as only recommended for indoor use. Our motor for roller door page says not all garage door openers are suitable for outdoor applications, and that the Merlin WeatherDrive opener has been designed for outdoor use. Which opener suits your shed is something we’d want to confirm on site, and you should check the exact model and its manual before relying on a name alone.

While you’re thinking about exposure, look at how leaves, dirt and water collect at the bottom of the door. Keeping that area swept and clear, with the door at rest, is ordinary housekeeping. Anything beyond that, inside the door’s workings, is a job for us.

How you’ll actually use it

Sheds get used very differently from garages, and that affects how the door should be set up and controlled.

Think about who goes in and out. If it’s a workshop where someone spends whole weekends, a wall button inside may matter as much as a remote. If it’s storage you visit once a week, a remote on your keyring may do. A wireless keypad can be handy for family members who don’t carry a remote, and our team can talk through which Merlin accessories suit the opener you choose.

Distance and line of sight matter too. The Merlin remote instructions reproduced on our remote programming page say a remote will operate from up to 3 car lengths away on typical installations, and that installations and conditions vary. A shed at the back of a block may sit well outside that, so ask us rather than assume. More importantly, those instructions warn to operate a door only when it can be seen clearly and to keep it in sight until it’s fully closed. So a shed door at the bottom of a long block is not something to close from the kitchen window if you can’t see the opening. That goes double if kids, pets or a ride-on are around.

If you’d like to check the shed from your phone, myQ may be an option. Our myQ page says the Connectivity Bundle is suitable for current Merlin openers and lets you see whether the door is open or closed. Whether it suits a shed depends on your setup, so check the details for your exact model or ask us.

If you’re thinking about motorising a shed or outbuilding roller door, send us an enquiry with a photo of the door, what power is there now and how you use the space, and we’ll talk you through the next step.