Commercial Roofing

Roofing materials arranged on a commercial roof, showcasing installation process for long-lasting performance and protection against leaks, with a clear blue sky and residential buildings in the background.
Aerial view of a modern commercial building with a dark shingle roof, surrounded by a parking lot filled with vehicles, emphasizing durability and design in commercial roofing solutions.
Worker installing a commercial roofing system on a multi-story building, showcasing expertise in roofing services for long-term performance and leak prevention.
Patterned green background with black dots, symbolizing modern design elements in commercial wall systems.
Commercial Roofing

Commercial Roofing Built for Long-Term Performance

We design and install commercial roofing systems that prevent leaks, protect the building envelope, and deliver dependable performance throughout the roof's life.

Commercial Roofing

Roofing Systems That Do More Than Keep Water Out

A commercial roof is one of the most critical components of a building’s exterior. When it fails, the consequences extend far beyond the roof itself, affecting interiors, operations, and long-term asset value.

At Nastase Commercial Exteriors, we approach commercial roofing as a performance system, not just a surface. Every roof we install is designed to manage water, withstand Midwest conditions, and integrate cleanly with the rest of the exterior so the building stays watertight year after year.

Aerial view of a commercial roofing project showing workers installing new roofing materials on a multi-section roof, highlighting the ongoing maintenance and replacement process for long-term performance.
Roofing installation featuring shingles and underlayment, showcasing a sloped commercial roof with surrounding buildings and vehicles, emphasizing Nastase Contracting's expertise in durable roofing systems.
Commercial roofing system with a flat design, showcasing asphalt shingles, integrated ventilation, and surrounding green landscape, emphasizing durability and leak prevention.
Patterned green background with black dots, symbolizing modern design elements in commercial wall systems.
Nastase Contracting equipment in action, lifting materials for commercial roofing installation on a multi-story building, showcasing expertise in roofing solutions and maintenance.
Commercial Roofing

Roofing Solutions for New Construction and Existing Buildings

We work with general contractors, developers, property owners, and managers across the full lifecycle of commercial properties.

For new construction, we collaborate during preconstruction to confirm roof assemblies, details, and sequencing so the system performs as designed and installs efficiently.

For existing buildings, we assess roof condition, identify risk areas, and help plan repairs or replacement based on remaining service life and budget priorities.

Our focus is always the same: reduce leaks, extend roof life, and eliminate surprises.

Roof covered with GAF SA Vapor Retarder XL, showcasing commercial roofing installation with urban skyline in the background.
Roofing system featuring orange tiles and a flat section, showcasing durable materials and integration for commercial buildings, relevant to Nastase Commercial Exteriors' focus on performance and leak prevention.
Commercial flat roofing system with white membrane, rooftop ventilation units, and urban skyline in background, illustrating Nastase Contracting's focus on durable, leak-resistant roofing solutions for commercial properties.
Patterned green background with black dots, symbolizing modern design elements in commercial wall systems.
Commercial Roofing

Flat and Specialty Roofing Expertise

Our commercial roofing services include both low-slope and architectural systems, selected based on building type, performance requirements, and long-term value.

  • Flat Roofing Systems – Proven TPO and EPDM systems designed for durability, energy performance, and ease of maintenance.
  • Specialty Roofing Systems – Architectural roofing solutions for buildings where longevity, appearance, and performance all matter, including advanced composite systems.

Each system is installed with careful attention to transitions, penetrations, and tie-ins so water stays where it belongs.

Commercial Roofing

Lifecycle-Focused Planning

A roof’s true cost is measured over decades, not just at installation. We help clients make informed decisions by considering:

  • Expected service life
  • Maintenance requirements
  • Risk of leaks and interior damage
  • Impact on insurance and long-term ownership costs

When appropriate, we also connect roofing projects with ongoing maintenance and exterior assessments to help extend roof life and catch issues early.

Aerial view of a commercial roofing project showing workers installing new roofing materials on a multi-section roof, highlighting the ongoing maintenance and replacement process for long-term performance.
Commercial building with a newly installed blue roofing system, showcasing attention to detail in the roofing transition and integration with the architectural design.
Aerial view of a commercial roofing project showcasing multiple buildings and parking areas, emphasizing the importance of longevity and performance in specialty roofing systems.
Patterned green background with black dots, symbolizing modern design elements in commercial wall systems.
Exterior illustration of a modern commercial building, emphasizing glass windows and structural design, relevant to exterior assessments for property owners and managers.
Modern commercial building with solar panels, architectural blueprints, and a focus on exterior assessment and maintenance for property owners.

No Surprises, Guaranteed.

Our No Surprises Guarantee means clear scope, transparent pricing, and the exact roofing system specified. No hidden costs, no substitutions, and no last-minute changes.

Illustration of a residential building with a sloped roof, front porch, and garage, symbolizing quality exterior services for commercial wall systems by Nastase Contracting.

Our Simple Process

Assess & Plan

We evaluate the building, review goals, and develop a roofing plan focused on watertight performance and longevity.

Install with Care

Certified crews install the system with attention to detail, sequencing, and site protection.

Enjoy Your Worry-Free Exterior

Your roof is documented, watertight, and built to perform, giving you confidence in the years ahead.