TPO Roofing: Everything You Need to Know

TPO roofing is one of the most common roof types installed on large commercial buildings.  TPO has one of the best energy efficiency savings for single-ply membrane roofing.

Single-Ply Membrane TPO Contractor

What is TPO Single-Ply Membrane Roofing?

TPO is made from ethylene propylene rubber.  The latest technology is used to create a chemical bond, rubber, ethylene, and propylene. Then, several fillings are added to reinforce the TPO’s membrane for strength and durability.  Thermoplastic Polyolefin is one of the fastest-growing commercial roofing systems today. According to the National Roofing Contractors Association, TPO roofing is about 40% of the industrial and commercial roofing market share.

Advantages of TPO

  • TPO Roofs are easy to install and cost-effective on labor costs. These factors make it a favorite among homeowners and roofing contractors alike.
  • TPO roofs are resistant to algae, bacteria, dirt, and build-up. The white exterior repels UV rays and expellees heat.
  • The flexibility of a TPO roof makes it resistant to tears, building settling, and weather damage.
  • Fits many types of industrial structures and multi-home sizes.
Single-Ply Membrane applying rhino bond

Disadvantages of TPO

  • Different manufacturers produce widely varying qualities of TPO roofing membranes.
  • Inexpensive TPO roofs are known to develop surface cracking somewhat quickly.
  • TPO membranes are sold in small with rolls. This makes it prone to defects around the seams.

Choosing the Right TPO Roofing Contractor

When choosing a roofing contractor to install a TPO roof, also research manufacturers that offer a warranty and have a good reputation for producing high-quality TPO roofing systems. Home and Industrial building owners considering a new roof should evaluate the pros and cons of TPO roofs. Give KOG Roofing a call to evaluate your opinions and see if a new TPO roof would be in your best interest. We also service EPDM and other commercial and industrial roofing needs.

Is TPO Roofing a Good Chioce?

TPO roofs are very durable, resist to bacteria, algae, and dirt. The flexibility of a TPO roof makes it resistant to tears, punctures and impact damage such as hail. 

How Long Will A TPO Roof Last?

The material warranty period for a TPO roof is typically 25 years. TPO roof system life expectancy can last up to 30 years. 

Can You Paint a TPO Roof?

Yes, you can paint a TPO roofing system.  Although it is not recommended to do so.  TPO roofs are manufacture in the color white to deflect heat. 

What is the Meaning of TPO?

The term TPO stands for Thermoplastic Polyolefin.  TPO is a blend of polypropylene and ethylene-propylene rubber.

Listen to the KOG Roofing Podcast:

The Advantages and Disadvantages of TPO and Single Ply Roofing

Eco-Friendly Application

As the demand for environment-friendly roofing products continues to rise, TPO is positioned to satisfy a majority of the market. Providing clients an eco-friendly roofing solution. The UV rays with reflective properties. Designed of light color TPO roofs add to the decrease of energy waste from HVAC systems.

Additionally, reflecting the sun's ultraviolet rays results in the reduction of heat and contributes to cooler interior temperatures.
KOG TIP: Do you know?  TPO polymer does not contain chlorine, which is environmentally hazardous.

There are no chlorine-containing ingredients added during production. Importantly, TPO is one of the few 100% recyclable roofing materials available. The membrane can be fully recycled and used again in the TPO manufacturing process.

Durability of TPO Roofs

If you want to get the most durable and long-lasting TPO roof, make sure that the membrane can be welded at the highest temperature range. Poor welding is one of the main causes of a defective roof. This will result in reliable seams. In turn, strong seams mean better wind and leak resistance.

You want the top ply of your TPO membrane to be thicker. This may cost you a little more but will eliminate many problems.  The thicker a membrane, the greater protection against weathering and solar radiation.

The minimum required thickness is 11 millimeters, and for the maximum performance, a TPO membrane’s thickness can be over 20 millimeters.


TPO membranes have been increasingly gaining strong credibility from the roofing industry.  The newly approved TPO specification adds credibility by providing definitive guidelines for membrane properties, helping to ensure quality, durability, and longevity. If you are considering a TPO or single-ply roofing application for your industrial or commercial building give us a call today!