by | Mar 29, 2022


A PVC Roof (polyvinyl chloride), is a high quality and durable way to protect a variety of commercial buildings, such as retail, restaurants, and condominiums. PVC is Intended for flat, low-slope commercial roofing applications.

It is surprisingly strong as the breaking strength for roofs made from this material is at least 350 pounds per square inch. This is far above the minimum breaking strength required by the American Society of Testing and Materials (ASTM), which is 200 pounds per square inch.

Because PVC is so strong and stable, it can be installed by heat welding the seams, as opposed to other membranes that require adhesive or utilize a taped seam. This installation method allows a PVC roof to expand and contract with a building. PVC can also be sealed with solvent welding and attached to metal flashing and other components with adhesives.

Solvent welding is different from torch down welding as it is a process in which a solvent or solvent blend with no dissolved polymer is used to create a joint between two thermoplastic parts. Solvent welding is a mostly simple and inexpensive processes that produces durable joints.

PVC also offers protection against chemicals, water leaks, UV rays and fire. Thanks to its cooling reflective properties, PVC is resistant to damage and discoloration from the sun’s radiation.


Most roofing contractors agree that PVC is easier to repair than other membranes since it can be easily re-welded in sections. A PVC roof can also last up to 30 years when correctly installed by a professional roofing contractor. Despite the higher up-front cost from less expensive options like TPO, PVC’s longevity makes it a better investment for some roofing projects.

Other roofing options like EPDM have seams are not as sturdy as PVC and the membrane can start to shrink and pull apart with the buildup of heat.

What are the top 5 benefits of PVC roofing?

1. PVC is Durable: A PVC roofing membrane has heat-welded seams that create a watertight bond, making it extremely strong and permanent. As a result, PVC roofs do not rely on tapes, adhesives, or caulk for sealing.
2. PVC is Wind Resistant: Because their seams are welded, PVC roofs are incredibly wind-resistant. They can even withstand category 3 hurricanes. If you reside in a place where intense winds and storms are common, then PVC roofing is a great option for you.
3. PVC is Fire Resistant: PVC roofs are also resistant to fire. This type of roofing membrane is difficult to ignite and resistant to harmful oxidation reactions. Installing PVC roofing adds a layer of protection to your business.
4. PVC is Chemical Resistant: Atmospheric chemical exposure is not something you need to worry about when you have a PVC roof. You can be confident that your flat roof system will continue being reliable even when exposed to harsh conditions.
5. PVC is Environmentally Friendly: PVC membrane is highly reflective, and is largely made from recyclable material. This means that less energy is consumed and less money is spent on utility bills. As a commercial application, your heating and cooling needs will be adequately met when you use a PVC roof.

Sean Kelly

About the author: Sean Kelly

Sean Kelly is the COO & President of Cutting Edge Contracting. His background in business, accounting, and the construction industry helped him become the award-winning manager of a nationally-known paint company before joining Cutting Edge.

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