TPO Systems

TPO Roofing Systems

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what you need to know

TPO Roof System: TPO or Thermoplastic Polyolefin is a thermoplastic single-ply membrane roofing system originally introduced in the 1990s and has grown to be one of the most, if not the most, popular commercial and industrial installations. Specifiers believe the system is a highly reliable, yet cost-effective, roof assembly. New construction, restorative recovery, and re-roof replacement applications all are a good fit for the TPO single-ply membranes. Possible attachments include fully adhered, mechanically attached, and wind-driven systems. The most popular color is white but can be gray or tan with custom colors available. TPO membranes are also utilized in hybrid systems with multiple BUR felt plies. TPO membrane roof assemblies have the option of fleeced-back applications. TPO thicknesses’ are .045, .060, and .080 mils.

What is a TPO Commercial Roofing System?

A TPO (Thermoplastic Polyolefin) commercial roof is a type of single-ply roofing membrane commonly used in
commercial and industrial buildings. Here’s what sets it apart:

  1. Material Composition: TPO roofs are made from a blend of rubber, ethylene, propylene, and fillers such as fiberglass or talc. This combination creates a durable yet flexible membrane that can withstand a variety of weather conditions.

  2. White or Light-Colored Surface: TPO roofs typically have a white or light-colored surface that reflects sunlight rather than absorbing it. This reflective property helps to keep the building cooler, reducing the need for air conditioning and lowering energy costs.

  3. Seam Strength: TPO membranes are heat-welded at the seams, creating a strong and watertight bond that helps prevent leaks and water damage.

  4. Resistance to UV Radiation and Chemicals: TPO roofs are resistant to UV radiation, chemicals, and other environmental factors, making them suitable for use in diverse climates and industrial settings.

  5. Ease of Installation: TPO membranes are lightweight and easy to install, making them a popular choice for new construction projects as well as roof replacement and renovation projects.

Overall, TPO commercial roofs offer a combination of durability, energy efficiency, and ease of installation, making
them a cost-effective and practical choice for many commercial and industrial buildings.

Why is a TPO Commercial Roof crucial?
  1. Durability: TPO (Thermoplastic Polyolefin) roofing membranes are known for their durability and resistance to tears, punctures, and impacts. This durability ensures long-term protection for your commercial property against weather elements and wear and tear.

  2. Energy Efficiency: TPO roofs often come in white or light-colored membranes, which reflect sunlight rather than absorbing it. This reflective property helps reduce the building’s cooling costs by keeping the interior temperature lower, especially during hot weather.

  3. Cost-Effectiveness: TPO roofing systems are generally more cost-effective compared to other roofing materials. Their installation is typically quicker and requires fewer materials, leading to lower labor and material costs.

  4. Environmental Friendliness: TPO roofs are environmentally friendly because they can be recycled at the end of their lifespan. Additionally, their energy-efficient properties contribute to reduced energy consumption and carbon emissions.

  5. Flexibility and Versatility: TPO roofing membranes are highly flexible, making them suitable for various roof designs and structures. Whether your commercial building has a flat roof or a more complex architectural design, TPO roofing can accommodate it.
What upgrades do you need to consider for a TPO Industrial Roof application versus a standard commercial roof?
Enhance Durability: Although TPO (Thermoplastic Polyolefin) roofing membranes are known for their durabilityand resistance to tears, punctures, and impacts, industrial flat roof applications may need additional protections. Utilization of HD ISO’s or DensDeck coverboards are often recommended in applications where heavy foot traffic and / or roof-top work services are routine. Additional enhancements such as walk pads are also available.
Things to consider when evaluating a proper Industrial Flat Roof Assembly:
  1. Roof top contaminants: Different membranes are resistant to certain chemicals. When choosing anassembly, be certain the membrane reacts efficiently to the operation of your facility.
  2. Required Roof Maintenance: All roof assemblies require roof maintenance to perform to expectations. Industrial flat roof assemblies typically require more than the standard commercial roof. A roof evaluation to discuss the areas of need with roof maintenance will benefit building owners and facility maintenance representatives with choosing the best option for their facility and operations.
  3. Warranty to Value ratios: Understand what your TPO Roof Warranty covers. TPO Roof systems come with many different warranty types. The roof warranties start at five (5) years and can go up to thirty (30) years. Some cover only the materials, others materials and installation. Choosing the best warranty options while designing the roof assembly is crucial. Understanding the potential differences between options can be the difference between unexpected out-of-pocket cost and warranty repair coverages. If potential TPO membrane damaging areas are not considered before roof installation, these will raise your required roof maintenance cost and potentially shorten the life of the industrial roof assembly. In most circumstances, the cost of a few enhancements to the system during the new roof design stage can create added life to the assembly, better warranty coverage, and bring your yearly life cycle cost down.

In summary, a TPO commercial roof is important because it offers durability, energy efficiency, cost-effectiveness, environmental friendliness, and versatility, providing reliable protection and long-term benefits for your commercial property.

Why choose Go Grier Commercial Roofing?

Grier Roofing is the most trusted roofing contractor in the Carolinas. Grier Roofing has been awarded the Best of the Upstate of South Carolina and the Best of the Best in Spartanburg for SIX years in a row. Our expert team assists our partners with information and services that will benefit their business and protect their facility from which you operate.


Go Grier uses only the best manufacturers of TPO in the industry and incorporates innovative enhancements as they are released to our customers. Protecting your investment is our number one priority.

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