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How to fix roller shutters

Last updated:
14 March, 2024
Reading time: 5 minutes

Do you have a roller shutter in your window?It has broken down and you don't know what to do to repair it.? In this post we show you how to fix roller shutters step by step.

Aspects to take into account

The shutters help you save on your electricity billThey allow the sun's rays to enter your home, so you don't have to keep the lighting system on all day. Any Failure may result in non-functioning correctly and that you cannot enjoy all its benefits.

Fixing a roller shutter

Before you know how to fix roller shutters, you should be aware that these products can be used in a wide range of applications. use throughout the day and they are usually located outside your home, which is why they tend to break down. The first thing you should do is check how they work, to see where the problem lies.

Most frequent problems

Below you will find the most common problems of roller shutters:

  • Shutter does not go all the way up or all the way down: there is usually some fault in the installation of the tape; in this case, it is important to note that fix a blind that won't go up involves a different procedure than repair a roller shutter that does not lower properly.
  • Roller shutter jamThe reason for this may be, among other things, that one of the slats has broken, that the strap has come loose or that the blind has got caught in the box.
  • The blind lowers itselfThis happens because the pick-up flap does not hold the belt.
  • Breaking of the sheetsis very common in areas where large hailstones are present, as they break the surface of the hail.
  • Engine failureIn the case of electric blinds, this component may become loose over time, so that you will have to readjust the cables and mechanisms.
  • Rusty dustpanThis causes belt feed failure, as the brake mechanism may be broken or there may be a problem in the pulley gearing.

Materials and tools for repairing a roller blind

Regardless of the problem you are having with your roller shutter, these are the materials and tools you should have at your disposal to repair this product.


One of the main advantages of our online shop is that we have at your disposal a wide catalogue of shutter accessorieswhere you can buy the materials you need to repair it:

  • New tape.
  • Passacintas.
  • Foilsalso called louvres; it is essential to have several available, as more than one will need to be replaced.
  • Shutter stops.
  • Rag.
  • Embellisher.
  • Tape catcher.


For their part, these are the tools you need to have in your home to carry out this work in the quickest and most effective way:

  • Screwdriver and a star-shaped one.
  • Screwdriver.
  • Scissors.
  • Blade.
  • Tongs.
  • Flexometer.

How to fix roller shutters step by step

Below we show you step by step how to fix roller shutters:

1. Dismantle the blind

The first thing you should do is remove the drawer cover The slats must then be cleaned one by one to remove any dust and dirt that has accumulated on them. Then you have to clean all the slats, one by one, to remove any dust and dirt that has accumulated.

How to fix a roller shutter

Once done, you have to dismantling the dustpan with a screwdriver; ideally, you should be able to save the screws for later use. Next, loosen the old tape from the anchor point and pull with pliers to remove it; ideally you should pull from the shaft, located at the top.

In the same way, you should check, using a level, the position of the y-axis. marking the place of old bracketsThis is highly recommended in case you need to replace them. When you have done this, you have to take the axle out of the box and clean it, removing the tape from the anchor; if the supports are very old or deteriorated, you have to fit new ones with bearings.

2. Replace the broken film

It is possible that one of the slats of your roller shutter is broken; in this case, you must replace it with a new one. To do this, pull one side of the broken slat until it is completely removed, then insert a new slat of the same size and colour as the others.

In the event that the broken slat was the lastIf you have to remove the anchor bolts from the shaft, you will have to remove the support system. Then, you have to mark the position, so that they are centred, using the old slat as a guide.

3. Install the new tape

You may need to replace the belt on your roller shutter because it has broken or has stopped working properly. cleaning the shutter and re-install it inside the window after replacing broken or damaged slats.

So, you have to spread it out and put it through the hole Before re-fixing the blind, you should check whether the box is on the inside or the outside. You must place the shaft fastening system on the last slat and, if it has a strap, you must place a new one in the same position, on both sides.

You must then put the axle in position and check that they are working correctly; then screw the strips in the marked place on the shaft, so that they are always at the same height and are equally tight. In the case of anchoring with straps, you must place them in the indicated place on the shaft and on the upper slat.

The next step will be to replace the belt pin The upper part of the roller shutter may be dirty or damaged. Next, you must insert the tape through the upper tape grommet and, before continuing with the installation, check that the shutter goes up and down correctly.

It is important to note that, in order to know exactly the amount of tape you needIf you have to measure the distance from the upper support to the lower base of the tape catcher box, you have to multiply this amount by 3.

4. Change the dustpan

Once the tape has been changed, you should check if the trim is fineto know if you have to change it or not. Then, you have to insert it in the new belt, before the pick-up; it is essential that it has the right orientation, so that the belt is not bent.

The next step will be to introduce the tape on the pick-up pinIf it is rusty, you will have to put a new one; to do this, you must bend the end of the belt a couple of centimetres and make a small cut with a pair of scissors in the centre. Then you will have to turn the pulley several times until it has resistance.

The next step will be to insert the tape, in the appropriate position, at the point of pulley fasteningYou must do this carefully and let it roll up. Then put the catcher in the box, place the trim on top and screw it on.

Before finishing, you should check the window stops to see if they are broken; if so, you will need to replace them to prevent the blind from being raised too high. Finally, check that the blind raises and lowers correctly.

How to repair a jammed roller shutter

In many cases, roller shutters can get stuck at a certain point and, as a result, neither go up nor down. If this happens to you, it is important to don't force itYou may break the tape and it will take longer to repair.

How to repair a roller shutter

In this case, what you should do is open the drawer of the roller shutter to check what is happening. The most common is that one of the the slats of the shutter have been displacedIf this is the case, all you have to do is to fit the film in place.


Here we bring you some tips you can take into account to fix the roller shutter:

  • Performs a complete diagnosisCheck the operation of the entire roller shutter, to take advantage of and repair any possible problems; this way, you can extend its life and reduce the cost of repair.
  • Make the necessary checks: check several times that the shutter raises and lowers correctly, before finishing the installation.
  • Motorised roller shutterIf the shutter does not go up, you will have to replace the tie rods or some of the slats, as they are probably broken. On the other hand, if the motor does not work, it is likely that there is a broken cable or that the motor does not have sufficient capacity to ensure the shutter goes up; in this case, you will have to replace the old model with a new one.
  • Materialthere are many shuttersThe best way to guarantee their correct functioning and ensure a longer useful life is to opt for quality products, such as those you can find in our online shop.

Now that you know how to fix a roller shutter, what are you waiting for to repair yours? Don't let a small failure of your roller shutter prevent you from enjoying all the benefits of these products.

Do you want to acquire a new one Because the one you have is too old and you can't afford to repair it? In our online shop we offer you the best blinds on the market, made to measure so that they adapt perfectly to the size of your window and the aesthetics of your room. Don't wait any longer and get yours now!

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Written by: Javier Marquez Barneto


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Online Trust is the leading quality seal for the internet in Spain. It is a distinctive seal displayed by companies that guarantee maximum transparency, security, and trust when buying and browsing their websites.
If you need us to help you choose the product that best suits your needs, or if you have any questions, please contact us.
24H Manufacturing
Shipping 24/48h
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