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Some useful tips
Regular maintenance especially after a storm or bad weather
After every strong storm, bad weather and after a heavy winter as well, it is necessary to check the roof for potential damages. You can start from the ground if a visual inspection is possible. Are there loose parts or is the roof surface damaged? If the roof area is not visible from the ground, the roof should be inspected by a specialist. With the roof fall protection system, roofers or inspectors can move safely around the roof. For safety reasons, we do not recommend you climb the roof yourself if you are the home owner.
Is your roof damaged and leaking after the storm?
In this case, you should contact a roofing company in your area. The roofer can quickly review damages on site and depending on how big they are, he can temporarily stop the leakage and do the final repair later. If you are in imminent danger during a storm, firefighters are for sure the right partner to call.
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Removing algae and moss from your roof
When living in a humid area, it’s possible your roof is covered with lichens, algae and moss. They can grow on every type of roofing material: bitumen shingles, concrete and/or ceramic tiles, slates or even painted metal sheets.
Moss on bitumen roof shingles, concrete tiles, ceramic tiles and painted metal sheets. >>>

Unfortunately the stains these organisms leave on bitumen roof shingles make your house look terrible and sometimes desolate, which reduces the value of your house. In some cases, these stains are a rather cosmetic issue. But in some cases these stains are symptoms of something much worse. It can lead to serious damage or even roof failure. Sometimes it can be easy to find the causes of the stains, and even to get rid of them and prevent them from recurring.
Common causes of staining
Dark stains on a bitumen shingles roof could be caused by different causes:
1. Algae growth
Blue, green or black stains on a bitumen shingle roof are mostly caused by algae. These algae staining begins with small spots. Over time these spots can develop into streaks. Algae stains are often mistaken for mold or mildew. Algae may hurt the appearance of your shingles roof, but other than that it is not harmful at all.
Algae stains on bitumen roof shingles:


2. Moss
Velvety green masses of moss often grow on the north-facing side of roof surfaces and on tree-shaded roofs. Unlike the above mentioned algae, leaving moss on your roof surfaces can develop bigger problems. By infiltrating the roof structure underneath the shingles, moss can make the shingle edges lift and curl. This can lead to cracking and blow-off during high winds and storms. Another effect of heavy moss growth is the forming of dams which can cause water to back up underneath the roof shingles and damage the roof deck. Best thing to do is clean off moss as soon as you notice it on your roof!
Moss on shingles roof >>>
