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Environmental Profile: Vinyl Roofing Membranes

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What is vinyl and where does it come from? Vinyl is essentially derived from two simple ingredients: fossil fuel and salt. Petroleum or natural gas is processed to make ethylene, and salt is subjected to electrolysis to separate out the natural element chlorine. Ethylene and chlorine are combined to produce ethylene dichloride (EDC), which is further processed into a gas called vinyl chloride monomer (VCM). In the next step, known as polymerization, the VCM molecule forms chains, converting the gas into a fine, white powder – vinyl resin – which becomes the basis for the final process, compounding. In compounding, vinyl resin may be blended with additives such as plasticizers for flexibility, stabilizers for durability and pigments for color. Through various plastics processing operations, manufacturers are able to offer versatile products with customized performance characteristics. The rest of this article is posted here: https://www.vinylroofs.org/wp-content/uploads/2011/06/Roofing_brochure.pdf Vinyl Roofing Systems – High Performance Over A Long Life Vinyl roofing membranes have permanently raised the bar in roofing specification and installation, offering a clean, quick, safe and affordable option to alternative roofing systems. A single-ply technology employed worldwide for more than 40 years – with a track record of performing in every conceivable and extreme temperature condition – vinyl, or PVC, roofing membranes are a natural choice for specifiers looking for high performance roofing systems for their building envelope and unparalleled ease of installation. The rest of this article is posted here: https://www.vinylroofs.org/wp-content/uploads/2011/06/benefits.pdf Department of Energy Headquarters Installs Efficient Vinyl Cool Roof WASHINGTON, D.C., Feb. 1, 2011 – The West Building of the Department of Energy headquarters has been protected with 25,000 square feet of economical, durable, and energy efficient white PVC roofing. No incremental cost was incurred to add the cool roof as part of the replacement project. Cool roofs use lighter-colored surfaces or special coatings to reflect more of the sun's heat, improving building efficiency, reducing cooling costs and offsetting carbon emissions. The new DOE roof uses PVC material at a thickness of 60 millimeters, and helps achieve President Obama’s goal of reducing the government’s greenhouse gas emissions. The rest of this article is posted here: https://vinylinfo.org.phtemp.com/featured/department-of-energy-headquarters-installs-efficient-vinyl-cool-roof/ Balancing Sustainability & Practicality: Foolish as Magic Wands & Fairy Dust? For the past few years it seems the only newsworthy roofing articles or profiles involve LEED, reflective cool roofs, vegetative roofs, or roof mounted solar. These articles spend the majority on the benefits of sustainable technologies and little time on the roof systems itself. They seem to minimize the pains and efforts of the roofing contractor to make sure that the roof installation performs flawlessly throughout the warranted life of the system. Let me ask this important question. What happens if a roof system fails halfway through the life of a vegetative roof system or part way into a roof mounted solar project? These exciting roof add-ons become an extremely expensive burden that places all of the benefits from the promising sustainable technologies at risk. For example, I read an article just the other day in a national trade publication touting the benefits of an extensive multi-million dollar solar array and how many metric tons of carbon emissions would be reduced and the energy generating capacity, etc. The only problem was the aerial picture taken of the project appeared to have an older existing roofing system for its foundation. The rest of this article is posted here: https://www.westernroofing.net/1110/ibroof.pdf

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