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Second International Symposium on Roofing Technology

The Second International Symposium on Roofing Technology was held Sept. 18-20, 1985, in Gaithersburg, Md. Following are the names of papers presented during the symposium and their authors.

Invited Papers

• "Roofing in Europe," William Allen



• "Roofing practices in North America," Richard Fricklas

Quality Assurance and Repair

• "Repair of roofing membrane systems: Examples of methods," Claude Duchesne



• "Suggested repair specifications for built-up roofs over lightweight concrete decks," Smith A. Funk



• "Minimizing ponding using flat insulation," Dwight F. Jennings



• "A basis for selecting roofing membranes," H.O. Laaly



• "Quality assurance for built-up roof construction," William C. Cullen

Theory and Modeling

• "Review of advances in mathematical models for structural behavior of bituminous and similar membrane systems," R.L. Bonafont



• "Restrained and nonrestrained deformation of visco-elastic bodies," Chen De-Kun



• "A laboratory investigation of thermomechanical properties of polymer-modified roofing bitumens," Joel P. Porcher Jr.



• "Application of microcomputers in the research of roofing materials," Jin Shu Xin



• "Rheologic property of roofing materials under different temperatures," Xu Zhao-Dong

Testing and Service Life—Part I

• "A study of tensile strength of fiberglass roofing felts after accelerated laboratory conditioning," E.A. Riley



• "Temperature profiles of different roof waterproofing systems subjected to natural exposure conditions," J.O. May



• "Failure investigation and testing of single-ply roofing membranes," Peter E. Nelson

Sprayed-in-Place Polyurethane Roofing

• "Maintenance of sprayed polyurethane foam (PUF) roofing systems," R.L. Alumbaugh



• "A study of some structural interrelationships between polyurethane foam and protective coatings," Adrian L. Jenkins



• "The economic feasibility of the polyurethane foam roof system," Dean T. Kashiwagi



• "A theory to explain roof splitting by ice," Roger G. Riedel

Bituminous Roofing—Part I

• "Elastomer SBS-modified bitumens: A comparative study of three specific documents," Alain Chaize



• "Performance aspects of SBS-modified asphalt roofing membranes," Andrew Halasz



• "Success and failure with APP-modified bitumen," Nico A. Hendriks



• "Single-ply: Mastery and requisite performances," John Medlock

Insulation and Energy Conservation—Part I

• "Economic optimization of roof insulation thermal-resistance," Andrew Adler


"Perspectives of U.S. low-slope roof research capability and energy savings potential," Herbert Busching


• "Thermal performance measurements of insulated roof systems," G.E. Courville



• "Additional insulation roofs," Bengt-Ake Petersson

Single-ply Roofing—Part I

• "PVC roofing membranes—Factors affecting tensile tests," O.M. Dutt



• "Polyisobutylene (PIB) single-ply membranes," Werner H. Huhn



• "Roof coverings made of PVC sheetings: The effect of plasticizers on life time and service performance," Gerhard Pastuska



• "The transfer of architectural fabric structure membrane technology to high performance roofing membranes," Richard N. Seaman



• "Mechanical fastening of single-ply roof membranes into steel decks—An engineering evaluation," Stanley W. Warshaw

Design and Application—Part I

• "Wood-based panels for roof decks," Daniel H. Brown



• "Waterproofing of expansion joints: An original system, simple and efficient," Andre Bruder



• "A new model to design roofs by mini- and micro-computers," Rafaat Hussein



• "Problems related to the design of metal roof systems," Dimos Polyzois



• "The significance of German guidelines regarding the planning and execution of roofs with waterproofing and new considerations pertaining to the uniform requirements of roof sealing," Rudolf Hummel

Uplift Resistance

• "Wind design guide for ballasted roofing systems," Richard J. Gillenwater



• "Wind tunnel tests on loose-laid roofing systems for flat roofs," R.J. Kind



• "Stone ballast design criteria on loose-laid single-ply ballasted roofs for wind speed, size and weight," Thomas E. Phalen Jr.



• "A study of the behavior of loose-laid ballasted single-ply roofing systems subjected to violent winds," Kenneth G. Schneider Jr.



• "Air-pressure testing of sheet-metal roofing," Richard C. Schroter

Testing and Service Life—Part II

• "Field survey of moisture-gain behavior within single-ply roof systems," Rene M. Dupuis



• "New research, tests and experience concerning the fire resistance of bituminous roofing systems in the Federal Republic of Germany," Bert Haushofer



• "Aging criteria for PVC roofing membranes," H.P. Lys



• "Field test results of experimental EPDM and PUF roofing," Myer J. Rosenfield



• "Test methods used in product development," Reiner Schoepe

Protected Membrane Roofing

• "The performance of lightweight inverted flat roofs," J.C. Beech



• "Thermal design of highly insulated inverted roofs," Anker F. Nielsen



• "The protected membrane roof—Membranes and insulations," John D. Van Wagoner



• "Performance of the protected membrane roof in Australia," Harry Watts

Steep Roofing

• "Concrete roof tile developments and pitched roof technology," R.K. Gunn



• "Concrete roofing tiles in the United States," C.P. Ramani



• "Experience with insulated sloped roofing in West Germany," Volker R. Zaiss

Design and Application—Part II

• "Accessory metal for use with membrane roofing assemblies," Richard Baxter



• "Flat roofs in the U.K. and the integrated system approach," Ray M. Edwards



• "Expansion joints in low-slope roofs," Justin Henshell



• "The way ahead for flat roofing," John Potter

Insulation and Energy Conservation—Part II

• "The response of molded expanded polystyrene (EPS) insulation board to various attachment methods," Jerome Dees



• "Use of phenolic foam in low-slope roofing," Michael J. Dvorchak



• "Insulated roofs with two-layer steel sheets," Germund Johansson



• "Expansion and contraction characteristics of lightweight insulating concrete in roofing systems," John E. Johnson

Single-ply Roofing—Part II

• "Outdoor exposure of EPDM roofing membranes," A.G. Strong



• "The effect of application parameters on adhesive-bonded seams in single-ply membranes," Walter J. Rossiter Jr.



• "Condensation modeling of EPDM single-membrane roof systems," Robert B. Walters



• "Crack bridging properties of elastomeric waterproofing wall coatings," Takatsugu Iwai



• "An accelerated exposure test for the evaluation of crack bridging ability of roof coatings under hot climatic conditions," C. Jaegermann



• "Novel reinforced acrylic emulsion-based roof waterproofing systems," M.S. Smit

Nondestructive Evaluation and Moisture

• "Dry-range and wet-range moisture content of roofing materials as found in existing roofs," Richard G. Anderson



• "Moisture and built-up roofing," Carl G. Cash



• "Drying of roof insulation: the use of wicks to enhance vent performance," Leon R. Glicksman



• "Nondestructive evaluation methods for assessing the quality of seams in single-ply membranes," James R. Clifton



• "Roof moisture surveys: Yesterday, today and tomorrow," Wayne Tobiasson

Bituminous Roofing—Part 2

• "Sliding of waterproofing layers," C. DeBacker



• "Choosing bitumens and polymers when waterproofing with prefabricated sheets," T. Diebold



• "The new tailored wet-laid nonwoven base materials for bitumen roofing felt," Peter S. Fredricks



• "Investigation of the potential of ice lenses under built-up roofs on lightweight insulating concrete," John E. Johnson



• "Prefabricated panels for built-up roofs," Lars Runnevik

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