Shed roof maintenance, it’s not the most exciting of tasks but it is necessary if you want to keep your roof in tip-top condition for years to come. Our durable corrugated roofing sheets all come with a minimum 10-year guarantee offering you a long-lasting shed roof but as with any other roofing solution, regular maintenance and upkeep is key to guaranteeing the life of your roofing.

Here’s everything you need to do to care for your Onduline roof….

Remove build up

Autumn leaves sure are pretty but they’re not so good for your shed roof so you need to regularly clean out and remove leaf debris from your roof, especially during the autumn/winter months as the leaves start to fall. Why? A buildup of debris can form a leaf mould which in turn can soften the roofing sheets and make them less effective. More on other moulds later - try to contain the urge to scroll down and skip a section ;p

Keep branches at bay

Shed with ONDULINE CLASSIC roof sheets surrounded by trees

Keep your roofing sheets clean

Keeping mould and mildew at bay is another important part of your roof maintenance. Left untreated, lichen (a type of alga/fungus) can cause damage to the colour pigmentation and resin coating to our bituminous sheets causing degradation to the sheet structure. The good news...prevention is quite straightforward! All you need to do is keep the surface of your roof clean by using a mild cleaning detergent, rinsing it off with the hose. However, do not use a high-pressure jet washer as these can cause damage to your roofing sheets.

Continuous problems with mould? Again, cleaning the sheet will help but you may also want to consider how you can encourage ventilation in your building/structure. Our ONDUTISS membranes and foam eaves fillers can help with this.

For an even more thorough clean of mould-infected roofing, simply treat the underside of the Onduline sheets - and timber surfaces in contact with the sheet - with a diluted bleach solution (maximum concentration = 1 part bleach to 8 parts water). Use a brush to apply this solution to the affected areas and finish by rinsing off the solution with clean water after 30 minutes.

Brush your roofing sheets regularly
Close up of ONDULINE CLASSIC sheets installed on a shed roof

This is snow joke

Two outbuildings fitted with Onduline roofing sheets in a snowy field

Watch out for condensation issues

We don’t mean to brag but our roofing sheets boast a superior resistance to the build-up of condensation, however, with any single thickness material, there is always a risk of condensation forming during the colder months. The build-up of condensation can cause damage to roof timbers and is generally a problem you want to avoid. This is where ventilation and insulation are key!

As we’ve mentioned above, our ONDUTISS membranes and foam eaves fillers can help as they provide the high and low levels of ventilation needed to generate airflow. You will also want to ensure your structure has sufficient insulation as this will also help to reduce the chances of the formation of water droplets, and thus the chances of condensation. Want to know more? We break it down fully in this guide to condensation and ventilation.

We hope these tips help you to keep your Onduline roofing looking pristine for many years.

If you’re thinking about taking on a new DIY project? Don’t forget, our lightweight and easy-to-install roofing can be purchased via our eShop. Select ranges are also available via The Range, Amazon, and Wickes.

 

Discover the full range at onduline.co.uk.

Discover all of our installation guides here.

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