Discusses the history, development, and current state of the
building sealant industry. Considers various joint designs as well as
sealant application and oil‐based and butyl mastics, acrylic,
polysulphide, polyurethane and silicone sealants. Surmises that the
proper selection and application of sealant give the designer
considerable freedom of choice in producing a reliable, durable system.
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