- Author
- Rossiter, W. J. | Seiler, J. F., Jr.
- Title
- Report of Roof Inspection: Partial Delamination of Adhesive-Bonded Seams at an Army Facility.
- Coporate
- National Institute of Standards and Technology, Gaithersburg, MD
- Sponsor
- Army Engineer District, Baltimore, MD
- Report
- NISTIR 88-3893, November 1988, 43 p.
- Distribution
- Available from National Technical Information Service
- Keywords
- roofs; adhesive bonding; seams (joints); inspection; military facilities; performance evaluation; surfaces; rubber seals; field tests; flexural strength; comparison; contamination; membranes
- Abstract
- The document was prepared at the request of U.S. Army Engineer District, Baltimore, to provide assistance in obtaining data on the delamination of seams of an EPDM roofing system at Fort Belvoir, Virginia. The investigation was beneficial to NIST, because it provided an opportunity to characterize adhesive-bonded seams in service and to obtain data relative to NIST laboratory research on the effect of surface contamination on seam performance. Seam specimens were taken from the roof and analyzed for peel strength and surface condition of the rubber. In addition, seams were prepared in the laboratory using the same brand name rubber/adhesive system to obtain peel-strength values for comparison with those measured for the field specimens. The results of the study indicated that the field specimens had low T-peel bond strengths in comparison to the strengths achieved by the laboratory-prepared seams.