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What is a TPO roofing system?

Aug 25

TPO roofing is one of the most popular materials in today's roofing industry. Despite being common, homeowners aren't familiar with TPO roofing. You're probably here because you don't know anything about TPO roofing. We know how uncomfortable it is to spend your hard-earned money on something you don't know.


Woodbridge Roofing uses our 30+ years of experience to help you understand the roofing industry and your options. Today we will use this knowledge to dismantle TPO roofing. This article will explain TPO roofing and why you might need it. It also explains how it can last for how long and how much it costs.

What is TPO roofing?

TPO is a single-ply, white membrane used for residential and commercial roofing. It reflects heat rather than absorbs it. TPO can be used over a flat roof or low-slope dormer above a bedroom. It will keep it more relaxed. It can also be used over an area that isn't living, such as a garage or covered patio.


If you can see the roof through a window, it is essential to consider the appearance of TPO's white membrane. White will become dirtier faster if the window is looking over the membrane. It doesn't matter if you don't care much about the appearance or can't see the roof at any point. You should keep this in mind as you go through the decision-making process.

TPO roofing is necessary for many reasons.

Knowing TPO roofing will help you understand why you'd use it. A roof or roof facet with a pitch (aka steepness) is considered a low slope. It's less than two vertical units higher for every 12 horizontal units.


A flat or low-slope roof won't allow water to run off as quickly as a pitched roof. It must be waterproof. Asphalt shingles are not meant to hold water. This isn't something roofers came up with by accident; it's a building code. The building codes and the installation instructions of the shingle manufacturer say that asphalt roofing shingles cannot be installed on roofs with pitches below.


A TPO roofing membrane or another flat roofing system must be installed on low-slope roofs. Don't hire a contractor to install shingles on a low-slope roof.

How long can TPO roofing last?

The roof's lifespan tells you how much you can get back on your investment and when it will need to be replaced. The next question is: How long will TPO roofing last? TPO roofing membrane can last for around 25 years if installed correctly. It doesn't necessarily have a 25-year life expectancy.

This is because many factors influence how long a roof will last. These factors include how much sunlight it receives, your area's climate, and the installation's quality. However, as long as the TPO membrane roof has been installed correctly, it will last as long as possible.

How much does TPO roofing cost?

Pricing is an essential aspect of TPO roofing research. For smaller projects, budget between $14.00 and $17.00 per square foot. For larger projects, budget about $12.00 per sq. foot.


The same factors determine the cost for a TPO membrane roof as other roofing materials. One of these factors is the type of insulation used under the membrane.

Insulation thick enough to insulate an entire structure will be more expensive than fabric insulation and gluing the membrane. The size of the membrane to be applied is another essential factor.


Although it may seem counterintuitive, the cost per square foot will tend to be higher for smaller projects. However, commercial projects are more expensive than smaller ones.