Tag Archives: sealant

Durability of Elastomeric Sealants

Sealant is used in the exterior joints of every modern building, but usually incorrectly. Owners have high expectations for performance and durability, but premature sealant failure is common, resulting in air and water infiltration, property damage, and expensive repair work. Design details and installation practices contribute to the service life, but there is a bigger problem in the industry—many sealant products cannot resist movement and weathering, which are their core functions.

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Inspect the Substrate!

Our March 2013 article, “Using Pre-cured Sealants in Construction Applications,” written by Jason Bakus, resulted in a letter to the editor from Gerald “Jerry” Zakim, CSI Emeritus.

Zakim, who has written for The Construction Specifier’s Failures column, e-mailed his comments:

With interest, I read Jason Bakus’ March article and its advocacy for the material’s use adhered to residual sealant. Since it is a given, in all … Continue reading Inspect the Substrate!

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