Your Roof is arguably one of the most important components of your building. Ensuring the interior is kept warm, dry and protected from debris, elements and animals.

While installing Cladco Steel Roofing Sheets onto your Roof is a low-maintenance, durable roofing choice, regular checks are recommended to ensure that the Roof does not need repairing or replacing.

Knowing when you need to upgrade, replace or repair your Roof can be a costly and sometimes difficult lesson to learn. As a general rule of thumb, it is important to check your Roof every six months for any debris build-up, water damage, or other repairs that may need addressing.

Garage roof using Cladco 32/1000 Box Profile Roofing Sheets in Merlin Grey

The above garage Roof has used Cladco 32/1000 Box Profile Roofing Sheets in Merlin Grey. The valleys within the Profiles are designed to allow maximum water run-off.

One quick check would be to make sure there is no debris build-up along the gutters, Profiles and Flashings, as this could obstruct the water run-off pathways. If water cannot easily run off your Roof, you are more likely to suffer from water pooling, and your Roofing Sheets can become damaged.

The following signs are what to look out for on your bi-annual checks. While these are signs, you should look out for if you have installed Steel Roofing Sheets. These checks can also be used for shingle, felt, slates or tiled roofs.


Watermarks, damp patches on your ceilings, floors, walls or windows can easily be mistaken for other home issues, such as leaking pipes, or a damp house. However, if you spot watermarks, it may be time to check your Roof, as even the smallest hole, split, or broken seal can cause a leaky roof.


Moss growing on your Roofing Sheets can signify that you need to clean or replace your Roof. Moss will grow in areas of high moisture content and can cause blockages, leaks and other issues on your Roof. If your Roofing Sheets are going mouldy or growing moss, it is best to remove and treat this as soon as possible before the issue gets out of hand.


If there is daylight shining through your Roof, that is a clear sign that it is time to replace parts of your Roof.


No matter what type of Roofing material you have chosen for your building, you must always inspect the integrity of your Ridges and Flashings. These are often installed around the edges of your Roofing Sheets and the top part of your Roof. Check for any cracks or watermarks within the Flashings.


The valley of your Roof is one of the most important parts, designed to encourage water run-off. If the valley of the Sheet has dips, cracks, or holes, it can cause concern and should immediately be addressed.

Lean-to-roof with 32/1000 Box Profile Roofing Sheets
Lean-to-roof with rusted roofing sheets

These 32/1000 Box Profile Sheets on this lean-to-roof has been installed to replace the ageing and rusting previous Corrugated Roofing Sheets. Cladco 32/1000 Box Profile Roofing Sheets should offer this home many years of protection.

The Galvanised Steel has corrosion and rust-resistant properties, helping your Roofing Sheets last for many years to come.

While these are some of the signs to look for when inspecting your Roofing Sheets, the integrity and longevity may also be affected by other factors, such as location.

If you have installed your building beneath a large canopy of trees, you may notice debris, moss, and mildew building up faster on your Sheets.

If your building is based near the sea, then the saltwater in the air can slowly affect your Roofing Sheets and their longevity.

Like any product, regular maintenance can help keep the integrity of the Steel Roof and its accessories to a high standard and performing well for many years to come. Find out more about how to maintain your Cladco Roofing Sheets here.


Find out more about our range of Roofing Sheets and which is the best match for you via our website, ordering a FREE Sample, or by calling a member of our friendly sales team on 01837 659901.