Roof Slopes, Ice Dams and Cold Roofs January 31, 1999 Roof Slopes, Ice Dams and Cold Roofs By Ian Mackinlay, FAIA and Richard S. Flood IN SNOW COUNTRY IT IS TRADITIONAL TO design buildings with sloping roofs. Quintessential mountain architecture embodies various forms of the Swiss chalet, often without the user’s understanding of its design principles. In New England, it is difficult to find a […] Read More
Electric Heating Systems for Combatting Icing Problems on Metal Roofs January 31, 1999 Electric Heating Systems For Combatting Icing Problems On Metal Roofs By James Buska, Wayne Tobiasson, Alan Greatorex and William Fyall ICICLES AND ICE DAMS MAY DEVELOP ON METAL ROOFS THAT DRAIN TO COLD EAVES. MELTWATER that backs up behind such icings may leak into buildings, causing serious damage. Large icings are also a safety hazard. […] Read More
Preventing Damage from Ice Dams January 31, 1999 Preventing Damage from Ice Dams ARMA Technical Bulletin HE FORMATION OF ICE DAMS ON ROOFING STRUCTURES AT THE ROOF EAVES CAUSED BY SNOW or ice conditions is a common occurrence during frigid weather. Ice dams are typically formed by the repeated thawing and freezing of melting snow or the backing-up of frozen slush in gutters. […] Read More
Responsibility, Competence, and Integrity or: Communication Can Reflect Professionalism November 01, 1998 Responsibility, Competence, and Integrity or: Communication Can Reflect Professionalism Feature By Dr. Herbert Busching (The following is an extract of a speech given by the late Dr. Herbert Busching, then RCI Chairman of the Board of Regents, at RCI’s annual meeting in New Orleans in February 1985). The technology and practice of roofing are changing […] Read More
Partnering For Performance November 01, 1998 Partnering For Performance By John Busch Editor’s Note: John Busch, keynote speaker at the RCI Convention in Dallas in April 1998, agreed to revisit some of the issues he spoke of then and write about the professional relationship between manufacturers and roof consultants. He has called it “Partnering for Performance.” The title for this paper […] Read More
What is a Professional? What is a Professional Society? November 01, 1998 What is a Professional? What is a Professional Society? Feature What Is A Professional? What Is A Professional Society? By Francis A. Acquaviva Author’s Note: Several years ago, tvhen I was the CEO of an association of health care practitioners, I was asked to speak at another association’s annual conference. They wanted me to […] Read More
Facility Management and the Roof Consultant: Duke Energy’s Roof Management System November 01, 1998 Facility Management and the Roof Consultant: Duke Energy’s Roof Management System Feature Editor’s Note: We asked Jim Streetman, manager of the Duke Energy Corp. Roof Management Program, to explain hour roof consultants can work together with facility managers to maintain a large roof inventory. The following article is the result. Facility roof maintenance for […] Read More
A Specifier’s Glossary for Polymer Chemistry October 01, 1998 A Specifier’s Glossary for Polymer Chemistry By Lyle Hogan, FRCI HIS PAPER DESCRIBES THE CHEMICAL! properties of polymeric materials used in the construction industry for thermal and moisture con¬ trol. Polymers are very large molecules comprised of the chemical union of five or more identical monomer units. Monomers are a special group of molecules […] Read More
Comparing SBS and SEBS Polymers – Factual Statements Can Still Be Misleading October 01, 1998 Comparing SBS and SEBS Polymers – Factual Statements Can Still Be Misleading Feaiurt Comparing SBS and SEBS Polymers — Factual Statements Can Still Be Misleading By Philip 0. Dregger, PE, RRC, FRCI Differences in the physical properties between styrene-butadiene-styrene (SBS) and styreneethylene/ butylene-styrene (SEBS) modified asphalts are often used to promote one product containing […] Read More
Polymer-Modified Bitumen Roofing: Molecules, Membranes and Systems October 01, 1998 Polymer-Modified Bitumen Roofing: Molecules, Membranes and Systems By Steve Ratcliff FSjrSLONGASBFTUMENS—COAL TAR PITCH AND ASPHALT— H AVE BEEN USED FOR ROOFING, people have tried to improve their properties. Truly effective modified bituminous materials originated in Europe in A^^^Athe late 1950s, when several organic chemists made the breakthrough discovery that polymers could be blended with […] Read More