How do you know when to replace a PVC roof?

PVC (Polyvinyl Chloride) is hands down the best low slope and flat roofing material on the market today. Engineered to be flexible, strong and UV reflective, PVC roofing can easily last 20 years here in the Pacific Northwest. The flexibility of PVC roofing makes it easier for roofers to install the product around roof penetrations like vents, chimneys and skylights. Valentine Roofing employs experienced PVC crews that receive ongoing training in installation and product knowledge.

when to replace a PVC roof
when to replace a PVC roof

If your home features corrugated roofing, you should act carefully to make sure it is well looked after. In this way, you can extend its life and so you will not have to worry about when to replace a PVC roof.

Your roofing might comprise corrugated plastic, where a wavy plastic sheet called fluting is used for fusing together two high impact polypropylene copolymer resin liners. So, what special steps should you take to prolong the life of your PVC roof?

Tips for cleaning PVC Roofs so that you will not have to worry about when to replace a PVC roof

During the installation of PVC roofs, there will be a time when you need to clean the marked parts of the roof. You can do this with a little alcohol or household cleaning solution. You must clean the surface before applying any kind of maintenance patching or solution. Once you have done that cleaning, use a rag or cloth to wipe that surface dry.

Though using power washer is a common method of cleaning PVC roofs, you should resist doing this on corrugated plastic roofing, for which mild cleaner should instead be utilized.

By carefully maintaining your PVC roofing, you can ensure that it continues to effectively protect your home from adverse effects of heavy rainfall.

Benefits of cleaning PVC roofing and how to know when to replace a PVC roof

  • It will extend the life of your roof.

Outside of your foundation, your roof is the most important part of your home. It’s responsible for keeping you and your family comfortable and safe when you are inside. Therefore, you want to do whatever you can to keep it in good shape by knowing when to clean and when to replace a PVC roof. You also want to extend the life of it so that you don’t have to shell out thousands of dollars any sooner than you have to for new roofing. By having roof cleaning done, you can save yourself money in the long run.

  • It will keep the warranty on your shingles intact.

Most shingles come with a warranty on them, however, this warranty will only be good as long as you maintain your roofing. By cleaning it, you will be giving it the attention that it needs, and if you ever have any issues with your shingles, the manufacturer will be more likely to help you know when to replace a PVC roof if you have done your part to care for them. Maintaining your roof by cleaning it is the smart thing to do.

When to replace a PVC roof

PVC Roofing in Milwaukee are relatively easy to repair, and it’s rare to have to replace an entire vinyl flat roof until it reaches the end of its lifespan, which averages 20 years or more. That said, no roof is immune to problems, and below you’ll find some of the main reasons why your PCV roofing might need some TLC.

when to replace a PVC roof
when to replace a PVC roof
  • Cold, Cracked, or Punctured PVC Roof

Today, almost all PVC flat roofing is reinforced with a “polyester scrim,” or thick woven fibers, to improve its weatherization. Unfortunately, many older vinyl roofs lack this addition. This means that in very cold weather, a vinyl roof could crack and shatter just from being stepped on. This should give you a clear pointer when to replace a PVC roof.


PVC Roofing Milwaukee is also relatively puncture resistant, but it’s not impermeable. Dropped tools or sharp broken branches could tear or puncture the membrane, leaving your home vulnerable to leaks. This is another sign when to replace a PVC roof.