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Nowadays, a modified bitumen roof is the most common and modern alternative to a conventional asphalt roof. Some reasons why home and business owners have started to embrace modified bitumen roofs are because of their affordability, versatility, and durability. However, it doesn’t mean you won’t need to lift your finger once in a while for the regular upkeep of the roofs so that they remain in top condition.

Maintaining a modified bitumen roof:

We bring to you some tips from the experts on the proper way to maintain your modified bitumen roofs.

Seasonal inspection of waterproofing protection:

While it is true that modified bitumen roofs are great for waterproofing protection, external seasonal factors can have a major impact on the structural integrity of the roof. Once the structural integrity is affected, it can lead to a leak. For this reason, it’s best to get a professional to run some tests on the roof every season.

Inspection of the roof’s condition:

Professionals who are hired for regular inspections can detect early indicators of wear and tear or aging. If there are any holes or cracks, they will find an appropriate fix at the earliest possible time so that the residents are not inconvenienced.

It’s also important to take a look at a range of other things apart from the insulation, drainage, and structure. This may include:

Welds that may be broken: There are times when the modified bitumen roof is put together by welding numerous small pieces. The issue with this is that oftentimes the welds happen to disassemble. If that occurs, the wood underneath can get exposed, causing the infiltration of water. This can lead to even more damage.

Holes on your roof: Factors like the fall of a heavy object, UV rays, and even regular use of the roof by the residents can affect a roofing membrane. Even some tiny holes can cause the roofing membrane to leak.

Roof blisters: You may have come across a lot of people who complain about roof blisters at their place. The usual underlying cause is the moisture trapped in the roofing membrane. However, it may not be the only contributing factor, as these blisters are often a result of improper adhesion and entrapment of air.

Standing water: having standing water on your roof for longer than 48 hours can affect the drainage system of the roof. This can ultimately lead to the entrapment of water and may lead to leaks in the roofing system.

Clean the roof:

It is also important to keep the modified bitumen roof clean on an ongoing basis. However, it’s also crucial that you use a soft-bristled brush or broom for the cleaning. Try to steer clear of using pressure washers, as they can potentially damage the roofing membrane.

Repair the sealants and welds:

With time, the sealants are bound to get damaged. As a result, if the sealants are wearing down, you can get some modified bitumen sealants to protect the roofing from further damage.

Moreover, the welds in modified bitumen roofing are put together with the heat-welding process. If you notice that the welds are getting weaker by the day, you may use modified bitumen roofing adhesive to fix the specific areas that are damaged.

Hire a professional:

While doing regular inspections by yourself may save you money, there is a good chance that you may overlook certain things that are damaging your roofing membrane.

Rather than turning to a professional when it’s too late, you should hire a professional to do the inspections for you. Not only are they adept at finding early signs of damage, but they will also find a solution to the problems right away.


By now, you will have an idea of the vital areas in your modified bitumen roofing that need regular maintenance and care. Since the maintenance process can be a bit complex for those who are not very familiar with roofing systems, it’s best to hire a professional with years of experience and a good reputation.

Do you think an inspection of your home or office’s roofing system is long overdue? If yes, reach out to the experts at Advance Roofing today!