PVC Roofs

PVC roofing is a membrane or sheathing material that has been used in the United States since the 1970s. Used only on low sloped or flat roofs, the material is reliable, can last for a relatively long time and is available in a variety of thicknesses and colors that can be a good option for many homeowners.

“PVC roofing membranes are created using a heat welding process whereby a single sheet or membrane can cover the entire roof surface. This means no seams or joints, which are typically the areas where roof leaks occur.”

Basics OF PVC Roofing

PVC roofing membranes are created using a heat welding process whereby a single sheet or membrane can cover the entire roof surface. This means no seams or joints, which are typically the areas where roof leaks occur. The sheets are woven with fabric made of polyester and glass fiber. The installation is relatively simple and comes in 10′ or 12′ strips that are laid down and then heat welded to one another to create a single membrane over the entire roof’s surface. The material is durable and resistant to punctures (although much more susceptible in cold weather).


PVC Roofing Prices

Low To Mid: $3.00 – $4.50 psf
Expect to pay from $300 to $450 per square installed for materials and installation.

Mid To Premium: $4.50 – $6.00 psf
Expect to pay from $450 to $600 per square installed for materials and installation. More on PVC roofing cost.

Advantages Of PVC Roofing

Heat Reflectivity
PVC roofing has excellent heat reflective properties (as high as 80% solar reflectivity), which reflects UV rays from the roof’s surface back into the environment. This differs from other types of roofs that absorp heat, which is then traferred to the building. By reflecting heat, homes are kept cooling during hot summer months and reduce the cost to cool a home.

No Seams Or Joints
PVC roofing membranes are created using a heat welding process whereby a single sheet or membrane can cover the entire roof surface. This means no seams or joints, which are typically the areas where roof leaks occur.

Can Be Used On Any Size Roof
Because the PVC is applied on site for each roof, it can be applied to nearly any scale roof with no seams or joints. The larger the roof, the lower the per square cost to install.

Easy To Repair
While older PVC roofing was difficult to repair, newer membranes are much easier to repair. Roofers simply take out the bad section and heat weld the new membrane piece in place.

Disadvantages

Can Shrink Over Time
PVC does have a tendency to shrink over time, which can pull at the seams and cause stress that may eventually lead to areas that will have to be repaired.

Avoid Walking On In Cold Climates
According to the National Roofing Contractors Association (NRCA), PVC roofing is not recommended for cold climates because the membrane can puncture or break in extreme cold. It is best to ask roofing contractors for other recommendations if you live in a cold climate.