Drain Land Defense Keeping Roof Drains Free and Clear May 15, 2004 July 2004 Interface • 39 The old saying, “an ounce of prevention is worth a pound of cure” can hardly be argued when it comes to good roofing practices. In this case, the problem to prevent is a clogged roof drain due to build-up of debris, leaves, and/or snow and ice around the strainer. A […] Read More
Value Engineering of Traditional Clay Tile Dome Roofs-Lessons Learned May 15, 2004 4 • Interface January 2004 ABSTRACT The design and construction of traditional dome roofs present several challenges. These challenges are intensified when the design criteria call for the use of clay tiles. This article discusses the design and construction of the roofing systems for the new buildings at St. John Chrysostomos Monastery in Kenosha, Wisconsin. […] Read More
Field Performance of Spray Polyurethane Foam Flashings May 15, 2004 6 • Interface April 2004 In September of 2003, The National Roofing Foundation completed its second field study of Spray Polyurethane Foam (SPF) roofing systems. The study, which began in 2001, examined 188 SPF roofs of various sizes and shapes. The roofs ranged in age from new to 31 years, with an average age of […] Read More
metal Roofing from Aluminum to Zinc Part 2: metallic coatings for Carbon Steel May 15, 2004 Read More
Moisture Management of Building Envelopes: A Moisture Index Approach to Characterizing Climates for Moisture Management of Building Envelopes May 15, 2004 INTRODUCTION Recent history has documented the premature failures of building envelopes in various regions of North America – notably on the West Coast and the East Coast [1], [2]. The problem appears, to some extent, to be influenced by climate. The MEWS (Moisture Management of Exterior Wall Systems) Consortium project, undertaken by the Internatonal Research […] Read More
SPF Proves its Worth A Look at the Real-World Performance of Spray Polyurethane Foam Roofing Systems May 15, 2004 26 • Interface April 2004 Spray Polyurethane Foam (SPF) roofing systems have been around since the 1960s. Yet as recently as the late 1980s, the technology was considered “alternative” and far outside the mainstream of roofing. Today, the “alternative” label has been shed, and the National Roofing Contractors Association (NRCA) has accepted SPF as a […] Read More
A Well-Built Roof Doesn’t Always Keep the Water Out Balanced Attic Ventilation is Key May 15, 2004 No matter how well built, a roof can still suffer from improper attic ventilation. What’s the purpose of attic ventilation? It seems like a simple question, but all too often the reasons for attic ventilation are misunderstood. Most homeowners, builders, and contractors believe that the purpose of attic ventilation is to remove heat from the […] Read More
