Flat roofs are a common choice for commercial buildings, modern homes, and multi-unit properties in New Jersey. While they offer a sleek design and functional space for HVAC units or rooftop access, flat roofs require specific maintenance to ensure durability, prevent water damage, and reduce long-term costs.
At American Roofing Pros New Jersey, we’ve worked with countless flat roof systems across the state. In this blog post, we’ll share practical and actionable flat roof care tips that every property owner should follow to protect their investment.
If you’d like a free flat roof inspection, we’re just a phone call away.
Call (877) 228-1042 or get your free quote here
Why Flat Roofs Require Special Care
Unlike sloped roofs, flat roofs don’t naturally shed water. Instead, they rely on proper drainage systems, high-performance membranes, and regular inspections to prevent water buildup and structural deterioration.
Neglecting a flat roof—even for a single season—can lead to problems like ponding water, leaks, mold, and insulation failure. Proactive care is essential to extend the life of your roof and avoid emergency repairs.
1. Inspect Your Flat Roof Regularly
The most important element of flat roof care is routine inspection. Schedule a visual inspection at least twice a year—ideally in the spring and fall—and after any major weather events.
What to look for:
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Cracks or blisters in the membrane
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Pooling water or slow-draining areas
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Separated seams or lifted flashing
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Debris, leaves, or branches accumulating on the surface
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Mold, mildew, or algae growth
Professional inspections can identify subtle signs of damage that may not be visible to an untrained eye. At American Roofing Pros, we offer detailed flat roof evaluations for free.
2. Keep the Roof Surface Clean
Flat roofs can collect debris more easily than pitched roofs. Leaves, dirt, and branches can clog drains or deteriorate roofing materials over time.
Regularly clear the surface of your flat roof, especially around drain openings. Ensure your gutters and downspouts are functioning properly and are free of obstructions.
If your property is near trees, trimming branches will reduce debris and prevent damage from falling limbs.
3. Address Drainage Issues Immediately
Standing water, known as “ponding,” is a common issue with flat roofs. If water remains on the roof more than 48 hours after a rain, it can degrade the membrane and lead to leaks or structural damage.
Make sure your roof has sufficient slope or tapered insulation to promote drainage. If not, contact a professional roofing contractor to evaluate your options, which may include installing additional drains or improving the pitch.
4. Repair Small Issues Before They Grow
One of the biggest mistakes property owners make is delaying repairs for what seem like minor issues. A small tear, blister, or seam separation can quickly become a major leak during the next storm.
Whether your flat roof is built-up (BUR), modified bitumen, EPDM, or TPO, early repairs are much more affordable than full replacements. At American Roofing Pros, we use industry-best materials to restore flat roofs and prevent recurring issues.
5. Maintain Flashing and Roof Penetrations
Flashing is the material used around vents, skylights, chimneys, and HVAC units to create a watertight seal. On flat roofs, penetrations are more common and flashing maintenance is even more critical.
Inspect these areas carefully and reseal or replace flashing when it begins to crack or pull away from surfaces. Failing flashing is one of the leading causes of leaks in flat roofing systems.
6. Schedule Professional Roof Maintenance Annually
While you can handle some flat roof care yourself, having a licensed roofer inspect and maintain your roof annually ensures issues are caught early and corrected correctly.
A professional maintenance plan may include:
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Full surface inspection
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Drainage check
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Membrane cleaning
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Flashing and seam resealing
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Minor repairs
At American Roofing Pros New Jersey, we offer customized flat roof maintenance packages that align with your building’s needs and budget.
Call (877) 228-1042 to ask about our maintenance plans or get a quote online.
7. Prepare Your Flat Roof for Each Season
Each season brings unique stress to your flat roof.
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Winter: Ice dams and snow buildup can weigh down your roof. Make sure your drainage is clear before snowfall.
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Spring: Melting snow reveals winter damage—inspect and repair it early.
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Summer: UV rays can dry out and crack roofing materials. Ensure reflective coatings are in good condition.
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Fall: Leaves clog drains and increase water weight on your roof. Clean debris and check seams.
Seasonal maintenance prevents small issues from compounding into major problems.
8. Know When It’s Time for a Flat Roof Replacement
Even with excellent care, flat roofs eventually reach the end of their useful life. Warning signs that you may need a new flat roof include:
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Frequent or recurring leaks
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Ponding water that won’t drain
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Major membrane blistering or cracking
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High energy bills due to insulation breakdown
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Roof age over 20–25 years (depending on material)
If you’re unsure, we can evaluate your roof and provide honest guidance on whether repair or replacement is best.
Trust American Roofing Pros for Expert Flat Roof Services
Flat roof systems require attention, experience, and precision. At American Roofing Pros New Jersey, we have decades of experience working with EPDM, TPO, built-up, and modified bitumen roofs across both residential and commercial properties.
We offer:
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Free inspections
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Flat roof repairs and replacements
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Routine maintenance programs
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Emergency service after storms or leaks
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Fully licensed and insured professionals
Call (877) 228-1042 today to schedule your flat roof inspection, or
🔗 click here to request your free quote
Protect Your Flat Roof—And Your Investment
With the right care, your flat roof can last for decades. Don’t wait until a leak disrupts your home or business. Be proactive, schedule inspections, and choose a reliable roofing contractor who understands the unique demands of flat roofing.
American Roofing Pros New Jersey is here to protect your property—one season at a time.
📞 Call now at (877) 228-1042
🔗 Book your free roof assessment here
