TPO has better dimensional stability than EPDM. EPDM is more likely to shrink which can cause a variety of problems on your roof.

Is TPO or EPDM cheaper?

Simply said, the primary advantage of EPDM over TPO is that it's a little cheaper. It also has a slightly longer lifespan and is less likely to be damaged from hail. TPO is (slightly) more expensive, but when it comes down to it, choosing one over the other may ultimately be based on your geographic location.

What is the best rubber roof system?

Ethylene Polypropylene Diene Monomer (EPDM) is one of the most versatile rubber roofing options on the market. Considered to be one of the best materials for flat roofs, rubber is a popular choice for industrial and commercial applications thanks to its ability to withstand extreme weather conditions.

Are EPDM and TPO the same?

Believe it or not, TPO is actually in a broad family of rubber roofing materials. TPO is a blend of polypropylene and ethylene-propylene rubber. EPDM stands for Ethylene Propylene Diene Monomer. It is a synthetic rubber derived from oil and natural gas (ethylene propylene).

How long will 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.

EPDM vs TPO Flat Roof - What's The Difference?

Is TPO a rubber roof?

TPO Roofing Systems

It consists of different rubber types that are usually a combination of polypropylene and ethylene-propylene rubber. ... When being installed, TPO roofing systems are always welded, making the system extremely durable, but can also complicate installation because welding requires an electrical source.

Is TPO a good roof?

TPO roofing possesses the UV-resistant qualities of EPDM roofing material and handles the heat in the same way as PVC, but at a lower price. TPO is by far the most economical of the three and one of the cheapest roofing materials out there.

Can you put TPO over EPDM roof?

Yes. Recovering with TPO is a great option for a building with an aging EPDM roofing system. It's easy.

Does TPO roofing shrink?

TPO does not shrink over time, but PVC can and this will cause many problems on a roofing job.

Which EPDM is best?

The One-Piece ClassicBond system is our most popular EPDM and is ideal for small to medium sized flat roofs up to 100m2.

What is the cheapest flat roof system?

In general, materials used on flat roofs cost less than ones used on sloped ones. EPDM is $1.50 per sq foot, making it the cheapest single ply membrane. Modified bitumen and rolled asphalt roofs cost $1.30-2.20 per sq foot, depending on the number of plies.

How good is EPDM roofing?

Even with a seam, EPDM is virtually waterproof, and if a leak ever does develop, repairs are fast, easy and inexpensive. Not only that, EPDM roofs are fire resistant. They are almost impossible to ignite, and they can actually impede the progress of a fire. An EPDM roof lasts a long time.

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 single ply?

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.

Can you coat a TPO roof?

Silicone and acrylic coating systems are both great choices for restoring and extending the life of a TPO roofing system. ... Ageing gives the membrane surface a matte finish that more readily accepts a coating, helping ensure long-lasting, weathertight performance.

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 better TPO or PVC?

While PVC offers better resistance to puncture and weathering, TPO (like PVC) is recyclable and environmentally friendly. ... However, TPO is also less resistant to chemicals than PVC, so it is not the optimal choice where grease or harsh chemicals are involved.

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.

What are most RV roofs made of?

Most RVs have rubber roofs, and they come in two different types: ethylene propylene diene monomer (EPDM) and thermal poly olefin (TPO).

Is EPDM a single ply membrane?

Ethylene Propylene Diene Monomer is a single-ply membrane that consists of a synthetic rubber compound that allows it to be flexible. EPDM has been used on commercial roofing facilities since the 1960s and is considered a time-tested option.

What type of roof does forest river use?

EPDM is one of the most versatile and long lasting materials ever manufactured for outdoor exposure.

Is TPO waterproof?

Here's where the magic happens: a TPO's hot air-welded seams make it 100% resistant to water penetration. Unlike PVC, property owners enjoy a leak-proof roof for a long period of time.

Is a TPO roof expensive?

Generally speaking, TPO roofing will cost between $3.00 and $5.00 per square foot to install. This is slightly more expensive than what you'll find with a tar and gravel roof option, but can be a bit more cost effective than the normal prices seen with the installation of a PVC roofing system.

Is TPO impact resistant?

The fleeceback TPO membrane is specifically designed for demanding situations in terms of ice ball impact resistance, even at the 30-year heat- 4 4 • I N T E R F A C E J A N U A R Y 2 0 1 7 Page 4 aged equivalence point. 3. ... It is very important to ensure that fasteners are not used immediately below the membrane. 5.