How is TPO roofing made?

TPO is made from ethylene propylene rubber and a number of filler materials, such as talc, carbon filler, or fiberglass. Using special technology ethylene ( an organic gaseous substance), rubber, and propylene (a byproduct of petroleum refining) are all polymerized.

Is TPO roofing glued down?

A TPO roof can be installed fully-adhered, mechanically-attached or ballasted. When the TPO roof is fully adhered it means that the membrane was glued to the substrate using a special strong adhesive that creates a chemical bond with the TPO.

What goes under a TPO roof?

The substrate under the membrane is either a cover board or the top layer of insulation.

What is better TPO or PVC roofing?

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.

Is TPO roofing PVC?

TPO stands for Thermoplastic Polyolefin, and PVC is Polyvinyl Chloride. Both of these membranes are designed for low slope and flat roofs and can be implemented with both commercial and residential applications. TPO made its debut in the early 1990s, boasting of being the new and improved single-ply roofing membrane.

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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.

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.

What is the life expectancy of a TPO roof?

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.

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 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.

What is the best type of flat roof?

EPDM Membranes

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.

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Is TPO rubber?

The name is a bit misleading, because rather than being plastic, TPO is one of a few different types of rubber, usually a blend of polypropylene and ethylene-propylene rubber.

What is TPO roofing material made of?

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.

Is TPO roofing flammable?

Single-ply roofing materials such as TPO are a sub-specialty category of roofing. This means that single-ply roofing is made using highly flammable and toxic materials. Solvents and adhesives are used to compose and install TPO roofing, which does make it flammable.

Can you glue TPO to PVC?

Weatherbond #120 Aqua Base Membrane Bonding Adhesive is a pressure-sensitive water based adhesive. This product is used as a two-sided solvent free contact adhesive. It is compatible with EPDM, TPO and PVC membranes.