Commercial TPO Roofing Systems

Central Roofing is an expert TPO commercial roofing installer in Central Illinois, providing expert commercial roofing services since 2012!

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Central roofing is a top 100 roofing contractor
Central Roofing is a certified GAF Elite Commercial Roofing Contractor in Illinois
Central Roofing is a certifed Carlisle Commercial Roofing Company
Central Roofing is a Mule-Hide certifed roofing contractor in Illinois
Central Roofing is a certified Elevate Commercial Roofing Contractor in Illinois

TPO Commercial Roofing: Long-Lasting Roofs for Today’s Commercial Needs

TPO comes in a number of thicknesses for commercial properties: 45 mil, 60 mil, and 80 mil.

The 45 millimeter TPO is a great choice for a budget conscious roofing solution that doesn’t have high foot traffic or potential exposure to hail. The industry standard, 60 millimeter thick TPO is a great choice for most standard commercial buildings, schools, or malls. The next step up, 80 millimeter TPO roofing is an excellent roofing solution for multifamily homes, or apartment complexes that often house heavy HVAC equipment, and may have exposure to hail, heavy snow, or high winds. It also offers the highest puncture resistance.

Overall TPO is a great roofing choice for any commercial building owner who needs to balance cost and energy efficiency.

TPO Membrane Thickness

TPO is among the types of roofing membranes that have a single ply. This is an acronym which stands for the term Thermoplastic Polyolefin. The abbreviation is a way to state the roof membrane’s primary chemical which it is composed of.

There are a couple of primary categories that the NRCA or National Roofing Contractors Association define to be within the industry of the single ply. These are the thermoset membranes and the thermoplastic membranes. A part of the category of the thermoplastic membrane is the TPO.

When it comes to a lot of buyers, there may be minimal concern when it comes to the TPO roofing membrane and its chemical composition. However, there are a lot of buyers that are concerned about a single thing: they want to have their buildings kept dry through the installation of a roof system that is capable of performing wonderfully for a significant amount of time.

COMMERCIAL FLAT ROOF TPO INSTALLATION
RHINOBOND TPO ROOF INSTALLATION
TPO FLAT ROOF INSTALLATION
COMMERCIAL TPO ROOF INSTALLATION

We Use Top Quality TPO Materials On Every Project!

Using top-quality materials for a TPO (Thermoplastic Polyolefin) commercial roofing system is a smart move for several practical reasons. TPO is a single-ply roofing membrane widely used on flat or low-slope commercial buildings, and the quality of materials directly impacts its performance, longevity, and cost-effectiveness. Here’s why it matters.  We install top systems from Elevate, Carlisle, Mule-Hide and more!
 

 

Elevate has been manufacturing TPO roofing materials for 25+ years. They know the needs of commercial customers inside and out. Carlisle includes the OctaGuard XT weathering package, which makes it the most durable option for commercial facilities that experience severe weather events. Mule-Hide TPO roofing materials, while only available in the 45 millimeter thickness, are CRRC rated and Energy Star listed. No matter which you choose, Central Roofing will expertly install your new roof system. 

 

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Methods Of Installing A Commercial TPO Flat Roofing System

Mechanically Attached System

The TPO membrane is rolled out over the roof substrate (usually insulation over the deck).  It’s secured to the roof deck using mechanical fasteners (screws and plates or bars) along the seams or in a grid pattern.  Overlapping seams are heat-welded together using a hot-air welding tool to create a watertight sealEdges and penetrations (like vents or skylights) are flashed and sealed.

Fully Adhered System

The roof deck is prepared with insulation (e.g., polyiso) and a smooth, clean surface.  A bonding adhesive (typically solvent- or water-based) is applied to both the substrate and the underside of the TPO membrane.  The membrane is rolled out, pressed into the adhesive, and smoothed to eliminate air pockets or wrinkles.  Seams are overlapped and heat-welded, and edges are sealed with flashing.

Ballasted System

The TPO membrane is laid loosely over the insulation and substrate without adhesives or fasteners holding it directly to the deck.
  Ballast—typically river-washed stones (2-3 inches in diameter) or concrete pavers—is spread over the membrane to weigh it down (usually 10-15 pounds per square foot). Seams are heat-welded, and perimeter edges are secured with fasteners or adhered to prevent uplift.

Advantages Of TPO Commercial Flat Roofing

TPO roofs are typically white or light-colored, reflecting sunlight and reducing heat absorption. This can lower cooling costs, especially in warmer climates or during Illinois summers.

TPO is generally less expensive to install compared to other single-ply systems like PVC, while still offering solid performance.

TPO stands up well to UV rays, ozone exposure, and temperature swings, which is ideal for Illinois’ mix of hot summers and cold, snowy winters.

TPO can be mechanically fastened, fully adhered with adhesive, or ballasted, giving contractors flexibility based on the building’s needs.

With proper installation and maintenance, TPO roofs can last 15-30 years, offering a solid return on investment.

TPO is lighter than multi-layer systems like built-up roofing (BUR), making it easier on a building’s framework and suitable for a variety of structures.

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