Lightweight Structural Concrete Problems and Risks September 01, 2013 On July 18, the National Roofi ng Contractors Association (NRCA) hosted a webinar entitled “Problems and Risks Posed by Lightweight Structural Concrete Roof Decks.” The webinar was hosted by Mark Graham, associate executive director of technical services of NRCA, and Stephen Phillips, an attorney with Hendrick, Phillips, Salzman & Flatt, a construction law fi rm […] Read More
Assessment of Hail Damage on Low-Slope Bituminous Roof Systems May 15, 2013 1 0 • I n t e r f a c e F e b r u a r y 2 0 1 3 Obvious statement of the day: Hail can damage low-slope bituminous roofs, whether modified bitumen or BUR; asphalt or coal tar; smooth, granule-, or gravel-surfaced. According to FM Global, more than 1,000 […] Read More
Restoration and Maintenance of Architectural Metals May 15, 2013 Real estate managers and building owners recognize that well-maintained buildings increase tenant satisfaction and building image. Buildings are assets, and the value to the owners and tenants increases with the use of durable materials that can be economically maintained, such as anodized aluminum, stainless steel, and coil-coated aluminum. Architects are fond of incorporating these architectural […] Read More
Cold-Weather Application of Modified Bitumen: Temperature’s Effect on Adhesives May 15, 2013 Given a choice, most roofers would probably prefer to work when the weather is the perfect balance of mild temperature and a light breeze. However, unless they are lucky enough to work in our favorite vacation spots, the weather at some point results in rosy cheeks and heavy coats. The application of styrene butadiene styrene […] Read More
Dallas-Ft. Worth: The Hail Belt May 15, 2013 Hailstorm losses in the U.S. exceeded $924 million in 2010, according to the National Oceanic and Atmospheric Administration.1 For the second year in a row, the Dallas-Ft. Worth area suffered a severe hailstorm in June 2012. Damage estimates predict the first billion-dollar loss to the insurance companies in a single hailstorm event, reported the Insurance […] Read More
Electronic Leak Detection: The Future of Membrane Integrity Testing May 15, 2013 6 • I n t e r f a c e A u g u s t 2 0 1 3 Electronic leak detection (ELD), the next generation in nondestructive membrane testing, is rapidly becoming the first choice for manufacturers, specifiers, consultants, and contractors around the world. It is providing faster, safer, more accurate, and […] Read More
Coal-Tar Roofing Systems – Rugged, Recycled, Reflective, Reliable! May 15, 2013 OVeRVIeW Built-up roofing systems using coal-tar pitch continue to represent an important option for building owners, roofing contractors, and specifiers. In many situations— roofs with prevalent ponded water, roofs with heavy maintenance traffic, watercooled roofs, and roofs in areas prone to hail—coal-tar roofing systems are the ideal solution. In roofing configurations where the use of […] Read More
Asphalt Composition Shingle Damage–Hail or Manufacturing Defect? May 15, 2013 Asphalt composition shingles are the most common residential roofing materials in the United States. “Asphalt shingles age naturally due to exposure to the elements and become more brittle with time. Shingles that have manufacturing defects or installation deficiencies can deteriorate more rapidly. Damage caused by natural or man-made factors can reduce the water-shedding capability and/or […] Read More
Innovative Window Injection Technique Saves Owner $500,000 May 15, 2013 3 6 • I n t e r f a c e A u g u s t 2 0 1 3 The Prob lem Many apartment units of a recently built, four-story apartment complex in Minneapolis had experienced a history of water infiltration during heavy rains. It appeared as though the water was somehow […] Read More
Identifying Deliberate “Hail” and “Wind” Damage to Shingle Roofs May 15, 2013 Manufact ured Hail Damage Exposure to damaging hail generally results in pockmarks, bruising, chipped shingle edges, and breakage of unsupported zones such as rakeline overhangs. Crushing of mineral granules from deliberate blunt force impact is not hail-related influence. Tools and techniques of every form imaginable have been used in an attempt to simulate natural hail […] Read More
