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Replacing Your Commercial Roof With a TPO Roofing System

Thermoplastic polyolefin Roofing

Many commercial roofs feature a flat design. This lack of a measurable slope makes the type of roofing materials used to cover a commercial roof critical in controlling moisture. If you are looking to replace your commercial roof, you should consider the installation of a membrane roofing system.

TPO is an acronym used in the roofing industry to refer to a unique type of roofing membrane made from Thermoplastic Polyolefin. TPO roofing is installed in a single layer, which helps to increase the water resistance of your commercial roof.

The thickness of TPO roofing materials can vary, and each individual TPO product has unique characteristics that must be taken into consideration as you select new commercial roofing materials. Identifying the primary factors that should influence your roofing selection will allow you to invest in the right TPO membrane for your commercial property.

Flexibility

Membrane roofing systems are capable of providing maximum protection against leaks when it comes to covering a flat roof. This protection is achieved, in part, by the flexible design of membrane roofing.

A TPO roofing system has the ability to expand and contract as outdoor temperatures fluctuate. This flexible design allows your TPO roofing to retain its structural integrity and maintain a waterproof seal as your building shifts and settles over time. The flexibility of TPO roofing also aids in the ease of installation, reducing labor costs and helping to make your new commercial roof more affordable.

Weldability

TPO roofing systems are installed by laying out large sheets of TPO along the surface of your flat commercial roof. A process that involves the use of extremely hot air is used to weld each sheet of TPO together in order to create a seamless roof surface.

Selecting a TPO product that has a wide range of weldability will help to ensure that your roofing system features seams that are as strong as the TPO sheets themselves. Weldability plays a critical role in eliminating the potential for leaks caused by weak seams once your membrane roofing system has been installed.

Thickness

Since TPO sheets come in varying thicknesses, it's important that you select a product that’s thick enough to protect your commercial roof against water infiltration. There are two measurements utilized to define the thickness of TPO sheets.

The first is the thickness overall test. This measurement calculates the thickness of the top-ply, scrim, and bottom-ply layers that make up a sheet of TPO. Although this measurement can be informative, the thickness over scrim test provides far more useful information about the future performance of TPO roofing sheets.

The thickness over scrim test measures the thickness of the top-ply layer. This outer layer acts as the first line of defense in protecting your commercial roof against damage. When the top ply becomes compromised and the scrim is exposed, the service life of your TPO roofing system is reduced.

Opting for a roofing membrane that features a thick top-ply layer will help to ensure that your commercial roof enjoys maximum protection against water damage in the future.

When the time to install new commercial roofing comes, select the right materials. A membrane roofing system will allow you to create a seamless surface on your commercial roof, guarding against potential leaks and providing your building with maximum protection. As you evaluate TPO roofing systems, be sure to take the flexibility, weldability, and thickness of each product into consideration before making a final decision.

The experienced roofing contractors at Bartch Roofing Company will be able to evaluate your commercial building and recommend the TPO roofing system that’s best suited to meet your needs. Give us a call to schedule a consultation for your commercial roof.