Out of all new types of roofing available in the roofing industry, the least understood of them all is PVC roofing. People often think of PVC as plumbing pipes, but this versatile and useful plastic can be used to build flat roofs and conservatories. PVC stands for polyvinyl chloride which is a type of plastic made from a gaseous reaction of hydrochloric acid and oxygen with ethylene. The plasticized attributes of the PVC provide it with a strength that makes the roof exceptionally more durable than any other roofing material.
Types of PVC Roofing
There are two general types of PVC roofs:
– Conservatory Roofing
– Flat roofing
This is a new type of PVC which is made up of 73% of glass, but as per new laws, this type of roof is required to be covered with a variety of different materials. A lightweight roof assures that it will not affect the structure of the house or business. PVC roof membranes and panels are extremely lightweight, which makes them ideal for conservatory roofs. The PVC roofing used on conservatories are installed in panels that resembles standing-seam roofs.
PVC comes in the form of a membrane which is rolled out on the roof and sticks to the deck either with nails or adhesives. The addition of the plastic to the membrane helps to make the roof impermeable to punctures. PVC is chemical resistant, and low maintenance, which makes it perfect for most types of commercial buildings. PVC is also heat welded at the seams, just like asphalt roofing. This is beneficial because seams are the weakest part of a flat roof, the heat welding helps to block and seal all the areas to keep them watertight.
Versatility of PVC
Mostly PVC roofs are available only in white color because it reflects heat the best but more colors are starting to become available. Some brands are providing PVC in roofing which looks similar to shingles from a distance. The PVC roofing can be personalized to fit any shape and it is considered to be a water and fire resistant. Most of the PVC roofs are designed to last 20 years, although some of the bigger companies offer a much longer warranty.
Many types of PVC membranes are fused together or hot welded to make waterproof seams. Maintaining and installing flat roofing is different from the installation process of asphalt shingles and the life of PVC roofing also depends on the skill of the installer and the seams quality. This is why it is important to choose a trained and experienced roofer.
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