The Case for Aerial Infrared April 15, 2000 April 2000 Interface • 25 The school of frozen toes Our company began looking at roofs by walking them with infrared cameras early in 1990. A couple of facts became clear rather quickly: a) Since there are so many types of roof systems in use, one standard testing plan for performing all roof moisture surveys […] Read More
Roof-Top Real Estate in a Wireless World April 15, 2000 18 • Interface April 2000 The ever-growing wireless communication industry has produced a new real estate market sector. Owners of buildings, primarily in large metropolitan areas, are being targeted by proposals from wireless providers to use the roofs of their facilities for antennas critical to specific areas of coverage for their networks. These proposals typically […] Read More
That Old Black Magic: Fluid-Applied, Polymer-Modified Rubberized Asphalt February 15, 2000 HISTORY Commonly referred to as “hot rubberized asphalt,” fluid-applied, polymer-modified asphalt bitumen is also known by a number of monikers, including fluid-applied, hot-melt waterproofing; fluid-applied, monolithic membrane; rubberized asphalt membrane; and different combinations of these descriptive words, as well as various acronyms. The two primary components of early polymer-modified rubberized asphalt— unoxidized asphalt flux and […] Read More
Tile Roofs January 17, 2000 TTIILLEEROOFS BY JOHN SHEPHERD Tile roofs made their first appearance in North America in the 1500s when Spanish missionaries introduced “Spanish” and “mission” tiles to the Southwest United States, Mexico and Latin America. Flatstyle tiles were later introduced to North America as Northern Europeans settled along the East Coast. Concrete tiles, developed in Germany in […] Read More
The Revival of the Candler Building – A Project Profile January 17, 2000 A Project Profile BY RICHARD M. NUGENT AND WILLIAM RUBEL, RRC 4 • Interface January 2000 The beautiful Candler Building is located on the same street and within view of the Chrysler Building, west of midtown Manhattan. The Candler Building is located within the busy Times Square renovation district. Since its feature appearance in the […] Read More
Asphalt Roofing Shingles – Composition, Performance, Function, and Standards January 17, 2000 Asphalt Roofing Shingles— COMPOSITION, PERFORMANCE, FUNCTION, AND STANDARDSABSTRACT This paper describes the composition and function of each of the layers of a shingle. The various types of shingles and their application are discussed. The more common problems associated with asphalt shingles and the probable causes for these problems are reviewed. The various standards pertaining to […] Read More
New Method for Measuring the Wind Resistance of Asphalt Roofing Shingles January 17, 2000 New Method FOR MEASURINGTHE WIND RESISTANCE OFASPHALT ROOFING SHINGLES Fullscale test house. BY RAYMOND L. CORBIN ON BEHALF OF THE ASPHALT ROOFINGMANUFACTURER’S ASSOCIATION In the early 1990s, in response to a growing concern in the building industry, the Asphalt Roofing Manufacturer’s Association (ARMA) undertook the challenge to establish a Wind Uplift Performance Test and Evaluation […] Read More
Slate Roofing and Grading in the New Millennium January 15, 2000 B Y BRIAN STEARNS, ALAN STEARNS AND JOHN MEYERSLATEROOFINGANDGRADINGINTHENEWMILLENNIUMSLATE ROOFINGAND GRADING IN THENEW MILLENNIUM According to information available through the 1928 edition of the publication, Slate Roofs, the first recognized slate quarry in this country dates back to 1734. That quarry was located in the Peach Bottom District near the PennsylvaniaMaryland border. The roofing slate […] Read More
FRT Plywood Corrodes Metal Deck November 10, 1999 FRT Plywood Corrodes Metal Deck Solar heating destroyed the FRT plywood. The acids in the activated FRT plywood and moisture miry from split shingles destroyed the metal roof deck. Moisture destroyed the gypsum board. T he metal roof deck of a school was found to be severely corroded and had to be replaced. […] Read More
It’s a Breeze: Understanding Proper Attic Ventilation of Sloped Roofs November 10, 1999 It’s a Breeze: Understanding Proper Attic Ventilation of Sloped Roofs nderstanding and implementing proper attic ventilation design measures can provide year-round benefits to owners of sloped roof assemblies. These benefits include: getting the maximum service life out of the building materials used in the roof assembly, added protection against damage to wood roof sheathing […] Read More
