The Frequent Sins of Steep Slope Roofing March 15, 2001 B Y R.M. HADDOCK Abstract Market trends in roofing would imply that steeper is better. Metal roofing systems have been used in steep roofing applications for centuries. Lessons learned from recent real world experience indicate that mistakes are commonly made in two key areas: underlayments and panel pinning. To correct either problem category, (postinstallation), roof […] Read More
Using Infrared Thermography to Determine the Presence and Correct Placement of Grouted Cells in Single-Wythe Concrete Masonry Unit (CMU) Walls February 15, 2001 Using Infrared Thermography to Determine the Presence and Correct Placement of Grouted Cells in SINGLEWYTHECONCRETEMASONRYUNIT(WALLSSINGLEWYTHE CONCRETEMASONRY UNIT (CMU) WALLS By Gregory R. Stockton and Lee R. Allen Reprinted, with permission, from Volume 3700 Thermosense XXI, The Proceedings of SPIEThe International Society for Optical Engineering, 1999. ABSTRACT Determining the placement of reinforcing grout in singlewythe CMU […] Read More
Early Leak Detection Capabilities February 15, 2001 Introduction Imagine that the perfect roof is about to be built. It will consist of a heavy gauge metal deck, an air barrier, a layer for a fire barrier, tapered insulation, a cover board, a multiply membrane held together with mechanical fasteners, and, finally, a course of concrete pavers. If not perfect, it appears to […] Read More
Leaking Envelopes January 15, 2001 E V E N T I N G P R BY MICHAEL T. KUBALENVELOPES Water penetration through building envelopes continues to be the number one source of complaints and related lawsuits from building owners. Yet, so little progress seems to be made to adequately address longterm solutions. Fortunately, many roof consultants are realizing that their […] Read More
ASTM D-6083 “Standard Specification for Liquid Applied Acrylic Coating Used in Roofing” – What It Says, What It Means, How it Came to Be January 15, 2001 Introduction ASTM D6083 is entitled “Standard Specification for Liquid Applied Acrylic Coating Used In Roofing.” It was developed in 1995 under the Roofing and Waterproofing Committee, D08. More specifically, it was developed in the NonBituminous Organic Roof Covering Subcommittee. While other authors have written articles describing the test methods in more detail1, this paper endeavors […] Read More
Wind Uplift Rating of TPO Systems: New Data Confirm the Theory of Doubleside Weld Technology January 15, 2001 W IND UPLIFT RATING OF TPO SYSTEMS: BY A. BASKARAN AND G. XUNEW DATA CONFIRM THE THEORY OF DOUBLESIDE WELD TECHNOLOGY Thermoplastic polyolefin (TPO) membranes, members of the thermoplastics family, are positioning themselves well among the new generation of singleplies. TPOs may be produced either by a reactor process using a specific catalyst or from […] Read More
Moisture Entrapment in Buildings with EIFs and Stucco Facades in the State of Florida October 12, 2000 MMOOIISSTTUURRE E EENNTTRRAAPPMMEENNT T T IN BU IL DINGS WITH EEIIFFS S AANND D SSTTUUCCCCO O FFAACCAADDEES S S I N T H E S T A T E O F F L O R I D A BY KATHRYN M. BARKER AND MICHAEL G. KNETTEL (This article is reprinted with permission from the Proceedings […] Read More
Water Penetration in Building Envelopes October 12, 2000 IN BUILDING ENVELOPES BY CHRISTINE BEALL, NCARB, CCS Water penetration through a building enclosure depends on the simultaneous occurrence of three things: • The presence of water. • An opening through which water can enter. • A physical force to move the water. Water can be present as rain, melting snow, and soil moisture. Buildings […] Read More
Solving Roof Leaks with Fans October 12, 2000 Redu ced government spending in recent years has led to private ownership of specialty sports facilities such as hockey arenas and multipurpose complexes incorporating pools and several other activities under the same roof. The pressure to derive more income from these facilities has led to allday, yearround operation and to the combining of several activities […] Read More
Roofing with Sustainable Building Products September 12, 2000 Recycling, Energy Star®, green roofs—all buzzwords in an industry that is making a transition into the world of sustainable building products. The roofing industry is on the environmental fast track. We are experiencing everything from shingle wraps that read “please recycle” to asphalt roofing recycling centers to a commitment to the new Energy Star® program. […] Read More
