Commercial Flat Roofing
Expert commercial flat roofing systems for modern buildings. Professional installation and maintenance of low-slope roofing solutions built for performance and longevity.
Why Choose Spartan Exteriors for Commercial Flat Roofing?
Flat roofing requires specialized expertise in drainage, membrane systems, and low-slope construction. Our certified professionals deliver superior results.
Flat Roof Specialists
Specialized expertise in low-slope and flat roofing systems with certified installation techniques.
Drainage Expertise
Professional drainage design and installation to prevent ponding water and ensure proper water management.
Multiple System Options
Expertise in all flat roofing systems including TPO, EPDM, built-up, and modified bitumen membranes.
Proven Performance
Decades of experience with flat roofing systems and comprehensive warranties on all installations.
Benefits of Commercial Flat Roofing Systems
Flat roofing offers unique advantages for commercial buildings including cost-effectiveness, accessibility, and versatility.
Cost-Effective Solution
Flat roofing systems typically cost 10-15% less than pitched roofs and require fewer materials for installation.
- Lower installation costs
- Reduced material usage
- Faster installation
Space Utilization
Flat roofs provide usable space for HVAC equipment, solar panels, rooftop gardens, and other building systems.
- HVAC equipment placement
- Solar panel installation
- Rooftop amenities
Easy Maintenance
Flat roofs provide safe, easy access for maintenance, inspections, and repairs without specialized equipment.
- Safe access for maintenance
- Easy inspection
- Simple repairs
Commercial Flat Roofing Systems
Professional flat roofing systems designed for commercial buildings with superior performance and longevity.
TPO Flat Roofing
Energy-efficient thermoplastic polyolefin membrane with heat-welded seams for superior flat roof performance.
- • Energy-efficient white membrane
- • Heat-welded permanent seams
- • Excellent puncture resistance
- • 20+ year warranties
EPDM Flat Roofing
Durable rubber membrane systems with excellent weather resistance and proven performance on flat roofs.
- • Superior weather resistance
- • Flexible rubber membrane
- • UV and ozone resistant
- • Cost-effective solution
Built-Up Roofing
Traditional multi-layer systems with hot asphalt and gravel surfacing for heavy-duty flat roof applications.
- • Multi-layer construction
- • Hot asphalt application
- • Gravel surface protection
- • Proven durability
Modified Bitumen
Advanced modified bitumen systems with enhanced flexibility and weather resistance for flat roofs.
- • Enhanced flexibility
- • Self-adhering options
- • Granule surface protection
- • Excellent performance
Spray Foam Roofing
Seamless polyurethane foam systems providing excellent insulation and waterproofing for flat roofs.
- • Seamless application
- • Superior insulation
- • Self-flashing system
- • Energy efficient
Liquid Applied Membranes
Liquid-applied waterproof membranes that cure to form seamless, flexible flat roofing systems.
- • Seamless membrane
- • Flexible application
- • Complex geometry solutions
- • Maintenance-friendly
Professional Flat Roof Drainage Solutions
Proper drainage is critical for flat roof performance. Our expert drainage design prevents ponding water and ensures longevity.
Internal Drains
Interior roof drains connected to building plumbing systems for efficient water removal.
- • Efficient water removal
- • Protected from freezing
- • Clean roof appearance
- • Reduced maintenance
Scuppers
Wall-mounted drainage outlets providing secondary drainage and overflow protection.
- • Overflow protection
- • Secondary drainage
- • Building code compliance
- • Emergency water removal
Gutters & Downspouts
Perimeter drainage systems for collecting and directing water away from the building.
- • Perimeter water collection
- • Controlled water direction
- • Foundation protection
- • Aesthetic integration
Tapered Insulation
Engineered insulation systems creating proper slope for water flow to drains.
- • Positive drainage slope
- • Prevents ponding water
- • Energy efficiency
- • Custom design
Our Professional Flat Roofing Installation Process
Systematic approach to flat roof installation ensuring proper drainage, insulation, and membrane performance.
Structural Assessment
Comprehensive evaluation of roof structure and load capacity for proper flat roof system design.
Drainage Design
Professional drainage system design with proper slope and drain placement to prevent water issues.
Insulation Installation
Proper insulation system installation with tapered design for drainage and energy efficiency.
Membrane Application
Expert membrane installation with proper seaming and attachment for watertight performance.
Quality Testing
Comprehensive testing and inspection to ensure proper installation and performance standards.
Commercial Flat Roofing Projects
Examples of our professional commercial flat roofing installations across New Jersey.

Office Building Flat Roof
Camden County, NJ

Warehouse EPDM Flat Roof
Gloucester County, NJ

Retail Center Flat Roof
Burlington County, NJ
Flat Roofing Quality Standards & Certifications
Meeting the highest standards for commercial flat roofing with comprehensive certifications and quality assurance.
Certified Installers
Factory-certified installers trained in proper flat roofing installation techniques.
Drainage Expertise
Professional drainage design and installation to prevent water-related issues.
Quality Materials
Premium flat roofing materials from leading manufacturers with proven performance.
Comprehensive Warranties
Extended warranties on materials and workmanship for complete peace of mind.
Commercial Flat Roofing Advantages
Cost-Effective Installation
Flat roofing systems typically cost 10-15% less than pitched roofs and require fewer materials for installation.
Versatile Space Utilization
Flat roofs provide usable space for HVAC equipment, solar panels, rooftop gardens, and building amenities.
Easy Maintenance Access
Flat roofs provide safe, easy access for maintenance, inspections, and repairs without specialized equipment.
Professional Drainage Design
Expert drainage systems prevent ponding water and ensure proper water management for long-term performance.
Flat Roofing Investment
15-25% lower cost than pitched roofing
Customer Reviews
"Excellent flat roof installation with perfect drainage. No water issues since installation 3 years ago."
- Warehouse Manager
"Professional flat roofing service. The team understood the unique requirements and delivered exceptional results."
- Office Building Owner
Flat Roofing Consultation
Get expert consultation for your commercial flat roofing project. Professional drainage design and installation.