Roller shutters are a great way to protect your home or business from the elements, but they can be a little tricky to clean in the winter. The cold weather can make it difficult to remove dirt and debris, and roller blinds can freeze, making them impossible to open or close. However, it is worth mentioning that regardless of whether they are made of PVC or aluminium, whether they are light or dark in colour, they get dirty in exactly the same way.