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Durability of Building and Construction Sealants and Adhesives

Wolf A

This STP contains the proceedings of the ASTM Symposium on Durability of Building and Construction Sealants and Adhesives (2003-DBCSA) held in January 2003. Seven of the papers included in this book were presented at the Ninth ASTM Symposium on Science and Technology of Building Seals, Sealants, Glazing and Waterproofing.

The trend towards modular construction, the use of curtain wall facades and new glazing techniques in high-rise building construction, as well as a multitude of other building and construction techniques constantly involve sealants and adhesives in new applications. All building and construction sealants and adhesives, once installed, are exposed to environmental and service degradation factors which affect their performance over time and ultimately cause them to fail. Replacing failed sealants and adhesives is time consuming and can be expensive, representing a substantial proportion of overall maintenance costs.

The symposium papers cover the following topics: field experience with sealed joints and adhesive fixations, factors influencing the durability of sealed joints and adhesive fixations, durability studies of sealants and adhesives, and development of new test methods and performance based specifications.

This STP includes specific topics such as

  • bond strength
  • water immersion
  • durability
  • zipper gaskets
  • lock-strip gaskets
  • silicone adhesive
  • Silyl-Terminated Polyurethanes
  • fatigue resistance of sealants
  • effect of use of foam backer rod
  • durability test methods
  • fatigue cycling
  • duct leakage
  • sealant longevity
  • modified asphalt window flashing adhesives
  • horizontal sealant joints
  • structural glazing failure
  • optimization of weathering test methods
  • structural silicone sealants
  • water absorption

This STP provides useful information for engineers and other specifying materials, property owners, and maintenance personnel needing to know and understand the predicted service life of a sealant or adhesive in order to estimate the overall cost associated with the maintenance of building and construction structures.