Historic Roof Decks: Roof Design Issues and Considerations May 15, 2009 ABSTRACT On many older buildings, frequent water leakage into the roof assembly over the years results in deterioration of the roofing system, structural deck, and exterior walls. Evaluation of the condition of the building components that interrelate with the membrane, especially flashings, is required for the successful installation of a new system. Simply replacing the […] Read More
Built-Up Roofing: An Historical Perspective May 15, 2009 Along way from its crude beginnings in the 1870s, built-up roofing (BUR) systems have grown in use and protect many of the nation’s commercial buildings. In its nearly 140-year history, the BUR industry has continued to evolve and set the bar for performance criteria in commercial roofing. Today, the industry faces several new challenges. Petroleum […] Read More
Metal Roofing from A(luminum) to Z(inc) Part VI: Attachment of Metal Panels February 13, 2009 Editor’s Note: This is the sixth article in a multipart series about metal roofing in today’s market. The series provides an indepth look at materials and their uses, coatings, system designs, and installation techniques. It is reprinted with permission of metalmag. In previous A to Z articles, we have looked into history, materials, finishes, fabrication […] Read More
The Day After: Documentation of Damage to Roofs from a Hailstorm and the Subsequent Restoration Efforts May 15, 2008 PM On May 4, 2006, a hail-producing thunderstorm passed through the northwest portion of Harris County in the suburbs of Houston, Texas. The storm was relatively small in size–approximately five square miles–and was concentrated over an area predominantly populated by single- and multi-family residential dwellings, primary education facilities, and a few retail buildings. The first […] Read More
Asphalt BUR Survives a Tornado in North Carolina May 15, 2008 Spring 2008 will be remembered for its relentless onslaught of severe weather. Strong storms pounded Midwestern states with hail, heavy rains, flooding, and tornados. Four teenagers were killed and 40 people were injured by a tornado at an Iowa Boy Scout camp. On June 27, 50-plus-mile-per-hour winds ripped through Omaha, Nebraska, on the eve of […] Read More
