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Third International Symposium on Roofing Technology

The Third International Symposium on Roofing Technology was held April 17-19, 1991, in Gaithersburg, Md. Following are the names of papers presented during the symposium and their authors.

Testing: Heat Aging

• "The effect of heat aging on the load-strain properties of glass felt reinforced asphalt built-up and polyvinyl chloride roofing membranes, and the effect of ultraviolet accelerated exposure on polyvinyl chloride membranes," Carl G. Cash



• "Single-ply membranes—effect of cold temperatures and heat aging on tensile properties," R.G. Turenne



• "Effect of heat history during manufacture on SBS modified bitumen coating quality," D.C. Portfolio

Modeling and Analysis

• "Finite element modelling of reinforced bitumen membranes," G. Wayne Brodland



• "Fatigue endurance program for classification of built-up roofing," R.L. Bonafont



• "Lap shear and t-peel testing of seams in EPDM, CSPE and PVC for single-ply roofs," Thomas E. Phalen Jr.



• "Failure initiation in EPDM lap joints in a lap shear test," C. Lakshamana Rao

Elastomerics: Seams

• "Test methods and protocol for evaluating splicing cement performance in EPDM roofing membrane systems," Daniel Cotsakis



• "Nondestructive methods for determining the waterproof integrity of roof membranes and seams," James P. Sheahan



• "Factors affecting the strength and creep-rupture properties of EPDM joints," Jonathan W. Martin



• "Pulse-echo ultrasonic evaluation of the integrity of seams of single-ply roof membranes," Hiroshi Watanabe

Computer Applications

• "Computer data base use in the analysis of roofing system performance and design for New York state owned buildings," Richard P. Bodane



• "Computer simulation to avoid ponded roofs," John E. Johnson



• "Can an expert system help a nonexpert to assess the state of a roof?," Jacques Gendron



• "The U.S. Army's rooftop analyzer (RTA)," Farid Mehr

Bitumen Composition

• "Initial results from thin layer chromatography in asphalt research," Carol Brooks



• "Characterization of roofing grade asphalts," William C. Cullen
  
  
• "The influence of bitumen's chemical composition in bitumen/APP compounds for waterproofing purposes," Rodriguez De Sancho Isabel

Thermal Insulation

• "Analysis of roof systems thermal performance from field data," G.E. Courville



• "Test methods for evaluating insulations for use with single-ply roofing systems," Joseph A. Malpezzi



• "Thermal properties for polyisocyanurate foam board roof insulation blown with CFC-11 substitutes," D.L. McElroy



• "Mechanical properties evaluation of polyisocyanurate roof insulation blown with CFC-11 substitutes," Thomas Lee Smith

Elastomeric and Thermoplastic Roofing: Field Exposure

• "EPDM and PUF roofing long-term field test results," David M. Bailey



• "Laboratory evaluation of EPDM roof membranes: a 17-year history of performance," Brian D. Gish



• "Characteristics of adhesive-bonded seams sampled from EPDM roof membranes," Walter J. Rossiter Jr.

Nonmembrane Roofing

• "Evaluation of performance properties of asphalt-impregnated corrugated sheets," R. Fournier



• "The development of an expert system and historical data base for PUF roof system specification, design and analysis," Dean T. Kashiwagi



• "The effects of hail on residential roofing products," Jim D. Koontz



• "ARMA's new approach for evaluation of asphalt shingle wind resistance," Donald E. Shaw

Bituminous Roofing: Testing and Analysis

• "Durability of the SBS-modified bituminous double-layer system: correlation between performances after artificial and natural aging," Claude Duchesne



• "Durability assessment of roofing membranes," John C. Beech



• "The use of thermo-mechanical and morphological analyses for research on properties of bituminous compositions," J.I. Zelmanovich



• "Forced vibration tests on bitumen and polymer-bitumen membranes to determine their fundamental properties with respect to frequently used polymers," H.W. Fritz

Design Considerations

• "Practical experience in design, application and field performance of roofing in developing countries: the special case of Argentina," Maria P. Lopez Diaz



• "Protected membrane flashings designed to work," Douglas C. Fishburn



• "Architectural contract document detailing for single-ply membrane roof systems," Thomas W. Hutchinson



• "Specification for quality assurance of single-ply membrane material," M. Puterman

Wind Engineering

• "Wind resistance of mechanically attached, single-ply systems fastener load, safety considerations and optimal fastener patterns," Hans J. Gerhardt



• "Wind effects on tiled roofs—wind safety and ventilation," C. Kramer



• "New research into the behavior of cold self-adhering modified bitumen roofing sheets and bituminous cold adhesive compounds under simulated and actual wind conditions," Bert A. Haushofer



• "Full-scale testing of roofing performance," James R. McDonald

Maintenance and Repair

• "Investigation of universal repair procedures for single-ply roofing systems," Robert L. Alumbaugh



• "Inspection, maintenance and repair of ballasted EPDM roof systems," Daniel Schumann



• "T-peel strength testing of new to old EPDM roof membranes," Christopher P. Hodges



• "The U.S. Army's implementation of the ROOFER program," Al Knehans

Elastomeric and Thermoplastic Roofing: Assessment

• "Studies into aging of the roofing coatings on the basis of chlorosulfopolyethylene and forecasting of their durability," Y.P. Shulzhenko



• "Assessment of single-ply roofing in Japan," Katsuyoshi Nagatsuma



• "Simultaneous effect of ozone concentration and temperature on ozone degradation of rubber sheets," Kyoji Tanaka

Applied Technology

• "Field experiences versus standards and designs," R.J. Booth



• "FIT classification for roofing systems," Alain Chaize



• "Technology and the role of the National Roofing Contractors Association," William A. Good



• "A new horizon in single-ply roofing (free electricity for every home)," H.O. Laaly

Moisture and Systems Evaluation

• "An outdoor construction test facility, Saskatoon, Canada," C.P. Hedlin



• "New wetting curves for common roof insulations," Wayne Tobiasson



• "Attic testing at the Roof Research Center—initial results," K.E. Wilkes

Systems Evaluation

• "Analysis of modified bitumen roofing materials using the stiffness modulus," Richard E. Norris



• "Cold weather roofing application," John W. Stoll



• "An investigation of the role of differential structural motion as the cause of flashing problems," James R. Wells



• "Evaluating thermal stability of nonwoven polyester," R. Dupuis

Modified Bitumens: Testing

• "Determining the composition of roofing membranes manufactured with atactic polypropylene (APP)," F. Choquet



• "In-plane testing of fully-adhered modified bitumen roof membranes," Marcus J. Dell



• "Weathering characteristics of polymer modified asphalt roofing membrane," Richard Baxter



• "Aging of polyalphaolefinic modified bitumen for roofing membranes," Luc Mathieu

The World of Practice

• "Skydome roof assembly design," S.P. Graveline



• "European roofer's experience after the 100 mph winds of January and February 1990," Bert Massaut



• "Innovative communications for a new decade of roofing," Samir K. Ibrahim



• "Achieving the perfect flat roof," John M.E. Potter

Elastomeric and Thermoplastic Roofing: Testing

• "Stress-strain characteristics for EPDM, CSPE and PVC for the development of stresses in membranes utilized as single-ply roof systems," David J. Allen



• "Glass transitions in polymeric roofing membranes—determination by dynamic mechanical analysis," O. Dutt



• "The application of thermal analysis to the characterization of EPDM roofing membrane materials after exposure in service," Glen D. Gaddy

Roofing-related Issues

• "Asbestos and roofing: Is common sense possible," Carl Good



• "Roofing construction may impact existing interior building asbestos," Joseph F. Hale



• "Degradation of fire-retardant-treated plywood: Current theories and approaches," Mary Rose Still

French Translation

• "Un systeme expert peut-il aider un non-expert a produire l'evaluation d'une toiture," Jacques Gendron



• "Durabilite du systeme bi-couche en bitume modifie par polymere SBS: correlation entre les performances apres vieillissements artificiel et naturel sur chantier," Claude Duchesne



• "Classification FIT des systemes d'etancheite de toitures," Alain Chaize

Selected Conversion

• Selected conversion factors

If you have questions about conference or symposia proceedings not available from NRCA, contact NRCA's Technical Services Section at (847) 299-9070.