Corrosion: What’s Eating at Your metal? Part II May 15, 2013 CORROSIONRESISTANT METALS Stainless Steel Even though stainless steel is positioned at the “noble” end of the Galvanic Series Tables, it does not occur naturally. The occasional references to it as being a noble metal are incorrect as determined by the previously discussed defi nition of a noble metal (see July 2013 Interface). There is a […] Read More
Oregon HOA Uses Multifaceted Design Strategy to Build Sustainable Aquatic and Recreation Center May 15, 2013 J a n u a r y 2 0 1 3 I n t e r f a c e • 3 1 Developed more than 40 years ago from a brownfield site and surrounded by the scenic Cascade Mountains and Deschutes River, the planned residential and resort community of Sunriver, Oregon, has long been […] Read More
Genesis of a Waterproofing Flashing System for a Damp Climate May 15, 2013 The answers to common construction problems are out there. Tatley-Grund, Seattle, Washington, a contracting firm specializing in whole-building repair of water-damaged multistory structures, often sees failed peel-and-stick flashing membranes on rough openings. During forensic investigations of buildings suffering water intrusion problems in the Pacific Northwest, principals Stacey Grund and Ron Tatley have documented repeated cases […] Read More
Foam Plastics and Fire Retardants: A Practitioner’s View of a New Code Change Proposal May 15, 2013 INTRODU CTION Fire safety is a critical concern for building designers and occupants, and building codes play a vital role in reducing and managing the risks of fire in buildings. In order to comply with modern building code requirements, manufacturers of building materials frequently include fire retardants in their products. Although they typically account for […] Read More
Roof Decks A to Z Part V: Precast, Prestressed Concrete Tees May 15, 2013 Abstr act This is the fifth in a series of articles examining various deck types. Of the numerous considerations involved in selecting a roof system, the type of decking is among the most important. With the variety of decks to be encountered (both new and old), it is incumbent upon roofing experts to be the […] Read More
The Dope on Slope May 15, 2013 Intr oducti on We all recognize a 45-degree (45°) angle, which is a common diagonal, miter, triangle, or pyramid. But what does one make of a 12 pitch, a 1:1 slope, a vertical slope, or a 100% grade? These are all the same angle, as described in the vernacular of different trades. For the nonmathematician […] Read More
Waterproof? Watertight? Water-repellent? Which is it? May 15, 2013 A p r i l 2 0 1 3 I n t e r f a c e • 5 As a chemist who consults on materials used in or on construction products, I am frequently asked, “Will this product work?” My answer often is, “It depends.” This seems particularly true when I am asked […] Read More
Ventilation Energy Demands And Indoor Air Quality in High-Performance Homes May 15, 2013 INTRODUCTION High-performance homes require that ventilation energy demands and indoor air quality (IAQ) be simultaneously optimized. Researchers have primarily addressed these two areas independently because of the assumption that their goals have to be mutually exclusive. This assumption is based on the fact that the typical mechanism to reduce the concentration of indoor air pollutants […] Read More
