The rise of the blue roof

Blue-roof implementation is on the rise in the United States and, indeed, around the world. First conceived in 2008, these ROOF assemblies have proved to be an emerging technology that changes the game in densely populated, urban areas like San Francisco, Philadelphia, and New York.
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Using building wraps as air barriers

Controlling the movement of air between the conditioned interior environment of a building and the exterior is a core function of building science. However, if you ask someone the best method of doing this, you are likely to get dozens of different answers.
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Reroofing and lightning protection

Reroofing and roof maintenance are seldom as simple as just applying a new layer of roofing. Indeed, they can often require selective demolition, roof deck repair and penetrations, insulation, new rooftop equipment, flashings, and repair and extension of other existing work.
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Waterproofing for plaza decks

Plaza decks suffer from an identity crisis. They have multiple definitions and names—are they roofs? Floors? Driveways? Courtyards? Vegetative decks? Located over parking areas, arcades, or water storage reservoirs, they may be large (the size of a city block) or small (just a square meter or two).
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