So you want to roof green?

Manufacturers provide several options for waterproofing green roofs

The roofing industry has been on the cusp of an environmental revolution during the past several years. In response, manufacturers have been introducing highly reflective and emissive membranes and coatings, reflective granules for shingles and, of course, "green" roofs.

But green roofs entail a unique approach to waterproofing, as well as added weight on a building's structure. Several waterproofing options are available in the marketplace—it's finding the right one for a given project that can prove challenging.

Professional Roofing interviewed representatives of several manufacturers that offer waterproofing materials for green roofs to explore their approaches to waterproofing. We spoke with Mike DuCharme, director of product marketing for Carlisle SynTec Inc., Carlisle, Pa.; Carl Kuhn, architectural representative of Soprema Inc., Wadsworth, Ohio; Tony Nista, director of marketing for W.P. Hickman Systems Inc., Solon, Ohio; and Gary Whittemore, product manager of waterproofing for Sarnafil Inc., Canton, Mass.

It should be noted the manufacturers interviewed are not the only ones who manufacture green roof system materials—there are many other materials and manufacturers.

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