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Five Common Flat Roofing Problems & How To Address Them

Whether it’s for your home or a commercial building, opting for flat roofs come with a plethora of benefits, including space and energy efficiency, superb aesthetic appeal, and cost-effectiveness. However, there are many problems peculiar to flat-shaped roofs which require swift intervention to prevent further damage. One of the best ways to discover and address these problems early is to have a professional roofer who regularly inspects and maintains your flat roof. This article will walk you through five common flat roof problems and how to tackle them.

  • Alligatoring

Alligatoring is one of the most notable signs of an aging flat roof. It is a pattern of cracks resembling an alligator's skin, typically caused by prolonged exposure to ultraviolet rays from the sun. These rays will eventually dries out the roof's membrane. The best way to combat alligatoring and other forms of cracks is through regular inspections and maintenance. An experienced roofer can always spot early signs of alligatoring and do the necessary repairs before it gets out of control. Depending on the severity of the cracks, a complete roof replacement may be required.

  • Ponding Water

Unlike pitched roofs, flat roofs have a higher tendency to hold water, and this could lead to serious damages like leaks if there is no proper drainage system or the roof has sagged over time. This problem can be avoided and addressed by regularly cleaning your roof’s gutters and downspouts. If your roof is not properly sloped, consider using self-levelling compounds or installing tampered insulation.

  • Blistering

Another common phenomenon that occurs as a flat roof ages is blistering. This happens when trapped gases and moisture start forming bubbles on the roof’s surface. To address blistering, your roofer can cut open the blisters once you notice them, allow them dry, and then close the affected area with appropriate patching materials.

  • Leaks

Leaks are very common for all roof types, but the nature of flat roofs makes them more susceptible to this issue. The primary causes of leaks are clogged drainages, damaged roofing membranes, faulty flashing failures, and cracks. The best way to address a roof leak is to have an expert inspect your roof thoroughly, identify its source/cause, and repair it promptly.

  • Membrane Damage

Pressure, exposure to sun, and other extreme weather conditions can damage your flat roof membrane over time. Fortunately, a damaged membrane does not always translate to full roof replacement. Depending on the type of roof, it’s age and the extent of damage, you can either patch or replace the affected area.


Flat roofs add this modern and minimalist vibe to buildings, making them a top choice for most contemporary residential and commercial structures. It's important that property owners embrace regular maintenance and prompt repairs, as these are proven ways to ensure a flat roof is always in great condition. If you seek expert roofing contractors to install, repair or maintain your roof, look no further than Bushwick Roofing.

Contact us today at 519 Knickerbocker Ave, Brooklyn, NY 11221 (718) - 285 - 7841 https://www.bushwickroofingny.com

Bushwick Roofing Is The Premier Roofing Contractors In The New York City Area. Enjoy Certified, Insured, Licensed & Bonded Contracting Service Today By Calling Us Now Or Filling Out Our Contact Form
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519 Knickerbocker Ave, Brooklyn, NY 11221

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