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This paper deals with the problems and the usefulness of “field inspections” of spray-applied fire resistive materials, which hopefully will develop a useful dialogue leading to the development of an ASTM standard procedure.
To date, neither ASTM Subcommittee E06.21 on Serviceability nor the manufacturers' association has been successful in advancing to an ASTM level, an acceptable procedure. The Association of the Wall and Ceiling Industries-International, working with manufacturers and other interested groups, has developed a procedure that appears to have gained some acceptance and is being used.
This paper will address methods of determining such physical and visual characteristics as substrate condition, thickness, density, bond strength (adhesion and cohesion), finished appearance, and reproducibility of ASTM Fire Tests of Building Construction and Materials (E 119-81) tested assemblies.
It is hoped that this presentation will generate interest in developing an ASTM industry standard procedure readily usable in the “field.”
fire resistive coatings, fiberous spray applied fire protection, cementitious spray applied fire protection, density measurements, thickness measurements, bond strength determination, field inspection, testing, reporting
Technical director, Association of Wall and Ceiling Industries-International, Washington, D. C.