TPO roofing membranes consist of an ethylene or polyethylene thermoplastic bound to ethylene propylene rubber. PVC roofing membranes are made by polymerizing vinyl chloride monomers, then adding plasticizers to increase flexibility.
Is TPO roofing the same as PVC?
ARE TPO AND PVC THE SAME? While TPO and PVC are both in the thermoplastic, single-ply family, they are very different in their base chemical composition. TPO is made of ethylene propylene rubber and polypropylene, while PVC, also commonly known as vinyl, is composed of ethylene and chlorine.
Is PVC roof more expensive than TPO?
While PVC MEMBRANE is more expensive than TPO, per square foot of same thickness material, the overall system costs is about the same, or even in favor of PVC. … In the end – since materials and labor costs are the same (or should be the same), TPO does not have any price advantage over PVC.
How many years does a TPO roof last?
A TPO roof membrane can last anywhere from 15 to 20 years. It is a single ply reflective roofing option, and it is typically adhered or mechanically attached. This membrane can be left exposed throughout its life.
What is the best flat roofing system?
Quite possibly the best flat roofing membrane, EPDM is a relatively low-cost flat roof material that offers a number of significant advantages. Clean, straightforward installation, incredible strength, a long lifespan, and a smart finish combine to make EPDM membranes a difficult one to beat.
Can you walk on TPO roof?
Flat Roof Surfaces You Can Walk On
Whether its BUR (Built-up Roofing), TPO (Thermoplastic polyolefin), Modified Bitumen, or Single Ply Roofing, your roofing professional can apply the right waterproofing membrane to make it possible to walk on.
Is TPO good for flat roofs?
Thermoplastic Polyolefin is a single-ply roofing membrane that is one of the fastest-growing commercial roofing systems on the market. TPO roofing systems are made up of a single layer of synthetics and reinforcing scrim that can be used to cover flat roofs.
How much should a TPO roof cost?
While prices always vary, TPO roof replacement costs generally range from $7 to $13 per square foot. Like other types of roofing, TPO systems are priced in 100 square foot sections, commonly called “squares”. As a result, commercial roofing contractors commonly price TPO roofing between $700 and $1,300 per square.
How much does a PVC roof cost?
PVC roofing generally costs $4.00 to $7.00 per square foot installed, but could be as much as $8.00 to $12.00 or more per square foot. For an average sized 1,500 square foot roof, that works out to a total PVC roofing cost of $6,000 to $18,000.
How good is TPO roofing?
Easy Maintenance. Mold growth, punctures and tears, and the accumulation of dirt are practically non-existent with TPO roofing membranes. TPO roofs are flexible and allow for shifting or settling in the building. Even thermal expansions and contractions are readily accommodated by TPO roofing systems.
What’s better EPDM or TPO?
EPDM roofs are the most economical choice for single ply roofing membranes. TPO roofing membranes are more expensive than EPDM. Regardless of which membrane you choose, it is better to spend more money and invest in a thicker membrane. Both EPDM and TPO roofs perform better and last longer if they are thicker.
Does TPO need underlayment?
Unlike EPDM, most TPO roofing membranes are white. … TPO roofs can resist UV rays by reflecting the light off its surface. This makes TPO ideal for buildings that need an effective insulation system. TPO underlayment is relatively easier to install.
How do you maintain a TPO roof?
A mild household detergent and water should be used in cleaning the membrane’s surface. This should be followed by completely rinsing the roof using a low-pressure power washer. After cleaning, the roof should be inspected for damage and any incidental damage should be repaired according to GAF’s guidelines.
What is PVC roofing?
PVC is a high quality, durable option for commercial roofs. … Made from polyvinyl chloride (or in layman’s terms, plastic), PVC is a great single-ply roofing solution. It’s made from a lower percentage of oil and petroleum than thermoplastic polyolefin (TPO) or ethylene propylene diene terpolymer (EPDM).
What is PVC flat roof?
PVC. … PVC roofing is installed with a heat gun to ensure seam strength and make the material resistant to leaks and the wind. It is then adhered to the roof either by using an adhesive, by using heavy duty screws or by using a ballasted roofing system.
What is the longest lasting flat roof material?
PVC Single-Ply Membrane
It is designed to last between 15 and 30 years, making it the longest-lasting flat roof material you will find. It should come as no surprise that many commercial roofing contractors will only install a flat roof if it is PVC.