07 50 00 Membrane Roofing

Category Archives: 07 50 00 Membrane Roofing

Making Sense of Sprayed Polyurethane Foam

All photos courtesy Spray Foam Coalition

For decades, the U.S. design and construction industry has turned to sprayed polyurethane foam to insulate and air seal buildings. When used as a roofing material, its monolithic nature allows for a seamless, self-flashing application that can keep out water. SPF can also improve energy efficiency, helping building owners and general contractors comply with energy codes and meet performance requirements for green building programs and certifications.

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Vegetative Roof Waterproofing for Long-term Performance

Photos courtesy Baystate Medical Center

This article reviews the general advantages—and challenges—of green roofs, including how they fail. It reviews strategies for overcoming those challenges and provides advice for achieving long-term performance from a construction perspective, with an emphasis on waterproofing. Several types of green roof systems and assemblies are discussed, including bituminous, rubberized asphalt, and liquid-applied resin membrane systems.

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Rethinking Cool Roofing: Evaluating effectiveness of white roofs in northern climates

All images courtesy Carlisle Construction Materials

As more research and information is available on the impact of white versus black roofs based on geographic location, it is increasingly important that architects, specifiers, engineers and design professionals are educated on the effects of white roofing membranes in colder northern climates prior to selecting a roofing material. This article discusses issues often overlooked by those considering a white/cool roofing membrane installation.

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Controlling Stormwater at the Source: Exploring best management practices

Photo courtesy Katie McKain

The U.S. Environmental Protection Agency (EPA) estimates stormwater runoff is responsible for 70 percent of all water pollution in lakes, rivers, and creeks. When developers use conventional methods such as impervious surfaces, stormwater is often left uncontrolled. The emergence of low-impact development (LID) and effective stormwater Best Management Practices (BMPs) are changing designers’ perceptions of stormwater from a constraint into an opportunity for natural processes to return.

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