Properly Installed Sealants Provide a Long Service Life
Selecting how long a given joint sealant will last before replacement — and what to include for the performance period in life-cycle costing — is not as easy as it may seem. The Seal/No Seal Group continues to investigate joint sealants and the factors affecting their life cycle through supporting new and ongoing research. As these tests proceed, the results are showing sealants 20 years old still functioning well. Fairchild Air Force Base In 1989, the U.S. Army Corp of Engineers Construction Productivity Advanced Research (CPAR) conducted a sealant performance study consisting of