Arrowhead Roofing

Commercial Flat Roofing Systems in St. Louis

Durable, energy‑efficient, and code-compliant flat roof installations backed by expert service and warranties.

Ready to get your roof checked out?

Advantages of Choosing the Right Flat Roof System

Low-slope design reduces construction costs while delivering efficient drainage and interior space.

Reflective membranes (like white TPO or PVC) cut cooling expenses and extend roof life.

Robust roofing systems stand up to moisture, UV exposure, and temperature swings.

Arrowhead Roofing & Exteriors logo with gray arrowhead outline and blue-red text, serving Greater St. Louis homeowners.

What We Offer for Commercial Roofing

Which Flat Roof System Fits Best for Your Building?

EPDM:

Affordable and reliable—ideal for colder climates or tight budgets.

TPO:

Balanced performance and economy with added reflectivity.

PVC:

Best chemical resistance and seam strength. Suited for demanding commercial environments.

Mod-Bit & BUR:

Strong, traditional options for heavy traffic areas or steep warranties.

BUR:

20+ year lifespan. Mod-bit: flexible installation.

Green/Metal Systems:

Premium investment for long-term resilience, cool roofing, or rooftop gardens.

Arrowhead Roofing & Exteriors logo with gray arrowhead outline and blue-red text, serving Greater St. Louis homeowners.

Cost & Longevity

Expected Costs & Life Expectancy

Modified Bitumen / BUR: $4–$8/sq ft; lifespan ~15–20 years.

EPDM: $5–$7/sq ft; lifespan ~30–50 years.

TPO / PVC: $5.50–$9.50/sq ft; reflectivity improves energy performance; lifespan 20–30+ years.

Metal & Green Roofs: $8–$15+/sq ft; lifespan 30–50+ years.

Real Customer Feedback

Arrowhead Roofing & Exteriors logo with gray arrowhead outline and blue-red text, serving Greater St. Louis homeowners.

Flat Roofing FAQ

EPDM and metal systems typically last longer, but TPO and PVC offer an energy-efficient balance.

Yes—we tailor each installation with substrate, drains, and insulation to provide performance and warranty compliance.

TPO/PVC use heat-welded seams; EPDM relies on adhesives or tape; BUR and mod-bit rely on overlapping and hot materials.

Why Clients Trust Us for Flat Roof Projects

We’re a local roofing company built on integrity and service. From honest inspections to flawless installations, Arrowhead delivers the quality you deserve—backed by a 10-year workmanship guarantee and fast help when storms hit.

Expert in all major commercial flat roofing systems.

Licensed, insured, and compliant with manufacturer specs.

Transparent proposals, documentation for warranties/insurance, and proven installation quality.

Local to Missouri & Illinois—supporting commercial clients with responsive service and reliable outcomes.