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
Attic and Cathedral Ceiling Ventilation and Ice Dam Protection May 15, 2009 This article is about ice dams1 and their prevention. Ice dams can occur in any northern or high-altitude climate,2 but they are more prevalent and troublesome in areas where there are frequent or daily freeze/thaw cycles. In the far north, where it gets very cold and stays cold and snow covered for most of the […] Read More
What In The World is BIM? May 15, 2009 INTRODUCTION On any given day in the roofing industry, we swim in our own little section of the pond, oblivious to changes in the construction industry as a whole. But every now and then, we probably need to poke our heads up and take inventory of what is going on. Currently, there is a large […] Read More