Major concerns of the sealant industry -- the use of sealants for structural sealant glazing; identification and quantification of the effects of movement on sealants; continuing laboratory investigation of sealant performance under various environmental factors; and the inservice performance of sealants -- are addressed in this peer-reviewed publication from ASTM. For sealant manufacturers, glazing contractors, architects, building owners, waterproofing contractors, curtain wall contractors, sealant testing laboratories, and glass fabricators.