Category Archives: roofing materials

TPO Roofing Pros and Cons – TPO vs. PVC Membrane Cost in 2017

If you are looking for a cost-effective and durable single-ply roofing system for your flat or low-slope roof, a TPO (thermoplastic olefin) membrane may be a solid, cost-effective option.

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TPO roofing systems are quickly growing in popularity and demand, in both residential and commercial flat roof markets. TPO can provide combined benefits of both, EPDM rubber and PVC roofs, but at a more economical cost than PVC.

While TPO membranes do offer an impressive number of performance, installation, and environmental advantages, because they are a fairly new product, there are some important considerations you need to be aware of before choosing to install a TPO roof on your home.

TPO in a Nutshell

flat-roof

A TPO roofing membrane is made from ethylene propylene rubber. Special technology is used to chemically bind together, rubber, ethylene ( an organic gaseous substance) and propylene (a byproduct of petroleum refining). At the end, numerous filler materials are added, such as talc, carbon filler and fiberglass. These fillers reinforce the TPO membrane’s strength and durability. A TPO roofing membrane has been specifically designed to have the advantages of a rubber roof, combined with hot – air weldable seams for extra durability. TPO roofing membranes have been manufactured in the US since the early 1990’s and are now the fastest growing segment of the US single-ply roofing industry.

Cost Considerations

A typical residential TPO roof will cost anywhere from $5.00 to $7.00 per sq. ft. installed. Thus, for an average sized 1,200 sq. ft. flat roof, your total average cost for a new TPO roof would range from $6,000 to $8,400.

Install Roof Shingles

$7,500
Average price
Install Metal Roof

$14,500
Average price
Install Flat Roof

$8,225
Average price

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TPO Membrane Options

TPO roofs are manufactured to meet a variety of needs and design specifications. They are available in white, light gray, and black colors. White TPO roofs offer the best solar radiant heat reflection properties, hence they are the most popular choice thanks to their energy-saving potential. For most residential applications, TPO membranes come in two thicknesses options: 45 mils (.045″) or 60 mils (.060″). The width and length of the membrane can vary depending on the manufacturer, with a typical TPO membrane roll being 6 to 6.5 ft wide and 100 ft long. Other membrane thicknesses and widths are also available depending on the manufacturer, including a 3 feet-wide rolls for the edges of the roof. Commercial grade TPO membranes may have a thicknesses of up to 80 mils (.080″) and may come in up to 12 feet-wide rolls.

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