TPO Roofing Systems

Rayco Construction is the largest TPO Roofing Contractor in the Midwest

tpoThermoplastic Polyolefin (TPO), the fastest growing roofing system in commercial roofing, has an excellent history.

Benefits

  • Exceptional seam strength
  • Puncture resistance
  • Superior long-term weathering capability
  • Cost effective
  • Environmentally friendly
  • Long-lasting protection

Product Feature:

  • Offering:
    • up to a 20-year warranty (Standard TPO)
    • up to a 35-year warranty (Extreme TPO)
  • Available in:
    • 45, 60, & 80 mil (Standard TPO)
    • 45, 60, 70, & 80 mil (Extreme TPO)
  • Color options available

Application Methods:

  • Rhino Bond
  • Fully Adhered
  • Mechanically fastened
  • Ballasted

TPO Rhino-Bond Application

Rayco Construction uses a special welding system called RhinoBond Technology, which provides a fast and easy option for fastening our TPO Single-Ply Membranes.

  • No fastener penetrations in field or seams of membrane
  • No adhesives, which means instant and clean installation
  • High wind uplift capability

⭐ Building Owner Tip:

Even if your TPO roof isn’t leaking, schedule a professional inspection twice a year. Small seam or flashing issues are often inexpensive to repair when caught early.


Check out some of our recent commercial flat roof projects throughout Minnesota.

Frequently Asked Questions About TPO Roofing in the Twin Cities

What is a TPO roof?


TPO (Thermoplastic Polyolefin) is a single-ply commercial roofing membrane commonly installed on flat and low-slope buildings. It is known for its heat-welded seams, durability, energy efficiency, and long service life. TPO has become one of the most popular commercial roofing systems for buildings throughout the Twin Cities and Minnesota.

How long does a TPO roof last in Minnesota?


A professionally installed TPO roof can last 20 to 35 years, depending on the membrane thickness, installation method, maintenance, and exposure to Minnesota’s weather. Regular inspections and preventative maintenance help maximize its lifespan.

Why is TPO so popular for Twin Cities commercial buildings?

Many building owners choose TPO because it offers:

  • Excellent seam strength
  • Strong puncture resistance
  • Energy efficiency
  • UV resistance
  • Long-term durability
  • Competitive installation costs

TPO performs well on warehouses, office buildings, retail centers, schools, churches, manufacturing facilities, and apartment buildings.

How often should a TPO roof be inspected in the Minneapolis, MN area?

Rayco Construction recommends commercial TPO roofs be professionally inspected at least twice per year, typically in the spring and fall, and after major storms or high-wind events.

What causes TPO roofs to leak?

Most leaks don’t occur because the membrane “wears out.”

Common causes include:

  • Damaged flashing
  • Failed seams
  • Ponding water
  • Punctures from foot traffic
  • Improper rooftop equipment installation
  • Aging roof details

Many leaks can be prevented with regular maintenance.

Is TPO roofing energy efficient?

Yes.

White TPO membranes reflect sunlight and help reduce heat absorption during the summer months. This can improve building energy efficiency while helping reduce rooftop temperatures.

How do I know if my TPO roof needs replacement?

Signs may include:

  • Frequent leaks
  • Open seams
  • Membrane shrinkage
  • Flashing deterioration
  • Ponding water
  • Saturated insulation
  • Repeated repairs in the same areas

A professional inspection can determine whether repairs or replacement provide the best long-term value.