If you're a homeowner or business owner in Ventnor City or anywhere along the South Jersey coast, chances are at least part of your property—whether it's your garage, addition, porch, storefront, or even the main building—has a flat or low-slope roofing system. And flat roofs, while space-efficient and cost-effective, require specialized expertise to install and maintain.
At SJ Roofing, we bring decades of hands-on experience in both residential and commercial flat roofing. From new installations to tear-offs, patch repairs, coatings, and seasonal maintenance, we offer precision-engineered flat roof solutions built to survive South Jersey’s weather and protect your property for years to come.
Despite the name, flat roofs aren't truly flat. They’re built with a low pitch or slope (typically 1/4 inch per foot) to allow for proper water drainage. These roofs are especially common on:
Modern or contemporary-style homes
Additions and sunrooms
Garages and carports
Rooftop decks and balconies
Apartment complexes or townhomes
Because they don’t shed water as quickly as pitched roofs, materials, drainage design, and workmanship are critical. Improper installation often leads to ponding water, seam separation, interior leaks, and even structural rot.

We offer full-spectrum flat roofing services for homeowners in Ventnor City and the surrounding areas.

Building an addition? A brand-new home? A detached garage or rooftop deck? We help you choose the right flat roofing system and install it per code, from substrate prep to the final flashing detail.
Flat roofs don’t last forever—especially near the ocean. If your roof is sagging, bubbling, or leaking, we offer comprehensive tear-off and replacement services using top-tier materials such as TPO, EPDM, or modified bitumen.
Whether it’s a small leak or seam failure, we diagnose and fix the problem fast. We also offer 24/7 emergency repair for sudden storm or wind damage.
Extend the life of your flat roof by 5–15 years with elastomeric, silicone, or acrylic coatings that restore waterproofing and reflect UV radiation.
Flat roofs should be inspected twice a year. Our maintenance service includes:
Debris removal
Flashing and seam inspections
Drainage checks
Early detection of membrane issues
Recommendations for coatings or repairs
White, energy-efficient, highly reflective
Heat-welded seams create watertight barriers
Resistant to algae, UV rays, and tearing
Excellent for hot, sunny rooftops or green builds
Lifespan: 20–25 years
Proven synthetic rubber system (used for 40+ years)
Very flexible, resists cracking in cold weather
Best for large, open flat surfaces
Available in black (absorbs heat) and white (reflective)
Lifespan: 20–30 years
Asphalt-based with modifiers for strength/flexibility
Installed via torch-down, cold adhesive, or peel-and-stick
Often comes with a granule-coated surface
Very durable under foot traffic
Lifespan: 15–20 years
Flat roofs in Ventnor City, Margate, and nearby towns face harsh environmental conditions, including:
Salt air that accelerates corrosion
Heavy rainfall and storm-driven winds
High UV exposure from long summers
Freeze-thaw cycles during the winter months
Frequent nor’easters and hurricanes
That’s why SJ Roofing installs coastal-grade materials and uses proper slope design, edge termination bars, reinforced seams, and moisture-resistant underlayments to ensure your flat roof can stand up to the Jersey Shore environment.
| Feature | Flat Roof | Pitched Roof |
|---|---|---|
| Material Costs | Lower | Higher |
| Installation Complexity | Medium | High |
| Drainage | Needs special attention | Natural runoff |
| Usable Space | Can be used (decks, solar) | Typically not usable |
| Energy Efficiency | Good with reflective surface | Good with attic insulation |
| Aesthetic Style | Modern, minimal | Traditional |
| Maintenance | Requires inspections | Less frequent maintenance |
Twice per year—ideally in the spring and fall—and after major storms.
Yes, with proper reinforcement and walk pads installed. Never walk on wet or icy surfaces.
Absolutely, but it requires a correct load-bearing design and protective layers.
Minimum slope is 1/4 inch per foot. Tapered insulation helps achieve proper drainage.
They require more frequent inspections, but proper installation and coatings can reduce lifetime costs.
| Feature | TPO Membrane | EPDM Rubber | Modified Bitumen |
|---|---|---|---|
| Reflectivity | High (white) | Low (black) or white | Moderate (granule) |
| Seam Strength | Heat-welded (strong) | Adhesive (moderate) | Multi-ply (very strong) |
| Durability | Excellent | Excellent | Very Good |
| Foot Traffic Resistance | Moderate | Moderate | High |
| Cost | Moderate | Lower | Moderate |
| Lifespan | 20–25 years | 20–30 years | 15–20 years |
Flat roofs offer excellent opportunities for energy-efficient and green upgrades, including:
Cool roof coatings that reflect UV rays and lower indoor temps
Solar-ready surfaces for photovoltaic installations
Green roof systems with living vegetation (for select builds)
Rainwater catch systems integrated with scuppers and drains
Ask us about building a sustainable flat roof that supports energy savings and environmental goals.