WATER DAMS Up North it’s Down South it’s Pine Needles January 03, 1997 WATER DAMS Up North it’s Down South it’s Pine Needles By Ray Corbin Water Damming In the North, water damming is caused by snow and ice; in the South, by pine needles and leaves. Either way, the result is damming of water along the eaves and valleys, causing water backup under the shingles […] Read More
Snow Guards for Metal Roofs January 03, 1997 Snow Guards for Metal Roofs By Wayne Tobiasson, M.ASCE, James Buska, M.ASCE, and Alan Greatorex This study was first published by the American Society of Civil Engineers for its 8th International Conference on Cold Regions Engineering in August 1996 and is reprinted by permission. Abstract Sliding snow and ice can damage property, kill people […] Read More
Tear-Off or Upgrade? A Decision and an Opportunity for Landfill Space Savings June 06, 1996 Tear-Off or Upgrade? A Decision and an Opportunity for Landfill Space Savings Ray Corbin is Director for the Better Understanding of Roofing Systems Insti¬ tute (BURSI), a 24-year-old national educational program on roofing systems designed for architects, engineers and building owners, which is sponsored by Schuller International, Inc., Roofing Sys¬ tems Division. Mr. Corbin […] Read More
Thermal Conductivity in Mechanically Fastened Roof Systems May 06, 1996 Thermal Conductivity in Mechanically Fastened Roof Systems Mike Watts, CS1, CDT, has been involved in the commercial roofing busi¬ ness for over 20 years and is currently president of Styro Systems-Carolinas, Inc., located outside of metropolitan Charlotte, N.C. Mike is also an indepen¬ dent sales agent for several major roof¬ ing manufacturers including Dow Chem¬ […] Read More
Designing Roofs To Avoid Air Invasion and Positive Pressure from Within Abstract May 06, 1996 Lyle Hogan, FRCI Designing Roofs To Avoid Air Invasion and Positive Pressure from Within Abstract There is a growing consensus that roof assemblies are capable of performing far better than is suggested by wind events of recent years. After all, the often-specified wind rating of 1-90 is equivalent to considerably less than 1 psi […] Read More
ASTM and Roof Consultants May 06, 1996 ASTM and Roof Consultants By Bruce Wittenbaum • President, Achievement Industries, Inc. • Cincinnati, Ohio Are you a roof consultant? Are you a member of ASTM (American Society for Testing and Materials)? If you answered YES to the first question, but NO to the sec¬ ond, have 1 got a deal for you! For […] Read More
Roofing and Waterproofing Manual: The Quality of NRCA’s Fourth Edition Matches The Effort Required To Produce It April 06, 1996 Roofing and Waterproofing Manual The Quality of NRCA’s Fourth Edition Matches The Effort Required To Produce It Steve Kruger By Jeanette Bottitta fter nearly five years of rig¬ orous production schedules, seemingly endless writing and rewriting, and intensive peer review, NRCA has released the fourth edition of its Roofing & Waterproofing Manual. For many […] Read More
Construction Megatrends for the 1990s: An Update April 06, 1996 Construction Megatrends for the 1990s: An Update Hugh Rice is a senior vice president for FMI Corporation, management con¬ sultants to the construction industry. He specializes in providing in-house con¬ sulting services in the areas of mergers and acquisitions, joint ventures, stock valuations, and business continuity and management succession. FMl’s offices are located in […] Read More
INTERNATIONAL ROOFING: DENMARK The Self-Drying Concept for Flat Roofs April 06, 1996 INTERNATIONAL ROOFING: DENMARK The Self- Drying Concept for Flat Roofs Reprinted from the proceedings of the Ninth Congress of the International Waterproofing Association held in Amsterdam, April 26-28, 1995. To obtain a copy of the proceedings, write the International Waterproofing Association at 38, Bridlesmith Gate, Nottingham, Great Britain. Vagn Korsgaard Tommy Bunch-Nielsen Carsten Rode […] Read More
REGIONAL_ NEWS First-Hand Experience with Cold Weather Roofing April 06, 1996 REGIONAL_ NEWS First-Hand Experience with Cold Weather Roofing January 19, 1996 • Minneapolis, Minnesota Thomas Hutchinson, AIA, RRC • Director, Region Three Thomas Hutchinson, AIA, RRC The design and application of roofing systems in cold weather were appropriate themes for Region Three’s winter meeting. Almost 50 people braved temperatures as low as 23 degrees […] Read More
